Famotidine Related Products


SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Famotidine, pharmacopeial and non-pharmacopeial Famotidine impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Famotidine impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Famotidine-related products are thoroughly characterized. Famotidine products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

3-Chloro-N-sulfamoylpropanimidamide Hydrochloride

SZ CAT No:: SZ-F008020
CAS No: 106649-95-0
Mol.F.: C3H8ClN3O2S : HCl
Mol.Wt.: 185.6 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No: 106492-70-0 (free base)

Famotidine

SZ CAT No:: SZ-F008001
CAS No: 76824-35-6
Mol.F.: C8H15N7O2S3
Mol.Wt.: 337.4
Inv. Status: Custom Synthesis

Famotidine - ETOH Impurity   

SZ CAT No:: SZ-F008023
CAS No: 2575516-74-2
Mol.F.: C10H17N7O3S3
Mol.Wt.: 379.5
Inv. Status: Custom Synthesis
Rel. CAS No: 2575516-75-3 (Maleate salt)

Famotidine Adduct Impurity

SZ CAT No:: SZ-F008017
CAS No: 1994267-84-3
Mol.F.: C15H19N7O2S3
Mol.Wt.: 425.5
Inv. Status: In Stock

Famotidine Chloromethyl Impurity

SZ CAT No:: SZ-F008016
CAS No: 69014-12-6
Mol.F.: C5H7ClN4S : HCl
Mol.Wt.: 190.7 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No: 81152-53-6 (free base)

Famotidine Cyanoethyl Impurity 

SZ CAT No:: SZ-F008015
CAS No: 76823-93-3
Mol.F.: C8H11N5S2
Mol.Wt.: 241.3
Inv. Status: Custom Synthesis

Famotidine D4

SZ CAT No:: SZ-F008D01
CAS No: NA
Mol.F.: C8H11D4N7O2S3
Mol.Wt.: 341.5
Inv. Status: Custom Synthesis
Rel. CAS No: 76824-35-6 (Unlabeled)

Famotidine EP Impurity A (2HCl salt)

SZ CAT No:: SZ-F008002
CAS No: 88061-72-7
Mol.F.: C8H14N6S2 : 2(HCl)
Mol.Wt.: 258.4 : 2(36.5)
Inv. Status: In Stock
Rel. CAS No: 124646-10-2 (free base) ; 76833-47-1 (HCl salt)

Famotidine EP Impurity B

SZ CAT No:: SZ-F008003
CAS No: 89268-62-2
Mol.F.: C16H23N11O2S5
Mol.Wt.: 561.7
Inv. Status: Limited Stock
Rel. CAS No: 109467-08-5 (dimaleate salt)
Rel. CAT No: SZ-F008043 , SZ-F008046 ,

Famotidine EP Impurity B (Dimaleate salt)

SZ CAT No:: SZ-F008046
CAS No: 109467-08-5
Mol.F.: C16H23N11O2S5 : 2(C4H4O4)
Mol.Wt.: 561.7 : 2(116.1)
Inv. Status: In Stock
Rel. CAS No: 89268-62-2 (free base)
Rel. CAT No: SZ-F008003 , SZ-F008043 ,

Famotidine EP Impurity B (Mandelate salt)

SZ CAT No:: SZ-F008043
CAS No: NA
Mol.F.: C16H23N11O2S5 : C8H8O3
Mol.Wt.: 561.7 : 152.1
Inv. Status: In Stock
Rel. CAS No: 89268-62-2 (free base) ; 109467-08-5 (dimaleate salt)
Rel. CAT No: SZ-F008003 , SZ-F008046 ,

Famotidine EP Impurity C

SZ CAT No:: SZ-F008004
CAS No: 76824-17-4
Mol.F.: C8H14N6O3S3 : HCl
Mol.Wt.: 338.4 : 36.4
Inv. Status: In Stock
Rel. CAS No: 106433-44-7 (free base)

Famotidine EP Impurity D

SZ CAT No:: SZ-F008005
CAS No: 76824-16-3
Mol.F.: C8H13N5OS2
Mol.Wt.: 259.3
Inv. Status: In Stock

Famotidine EP Impurity E

SZ CAT No:: SZ-F008006
CAS No: 129083-44-9
Mol.F.: C10H14N8S4
Mol.Wt.: 374.5
Inv. Status: In Stock

Famotidine EP Impurity F

SZ CAT No:: SZ-F008007
CAS No: 107880-74-0
Mol.F.: C8H12N4O2S2
Mol.Wt.: 260.3
Inv. Status: In Stock

Famotidine EP Impurity G

SZ CAT No:: SZ-F008008
CAS No: 76823-97-7
Mol.F.: C9H13N7S2
Mol.Wt.: 283.4
Inv. Status: Limited Stock

Famotidine EP Impurity G (Maleate salt)

SZ CAT No:: SZ-F008051
CAS No: NA
Mol.F.: C9H13N7S2 : C4H4O4
Mol.Wt.: 283.4 : 116.1
Inv. Status: In Stock
Rel. CAS No: 76823-97-7 (free base)

Famotidine EP Impurity H

SZ CAT No:: SZ-F008009
CAS No: 88046-01-9
Mol.F.: C6H10N6S2 : 2(HCl)
Mol.Wt.: 230.3 : 2(36.5)
Inv. Status: In Stock
Rel. CAS No: 106649-96-1 (free base)

Famotidine EP Impurity I

SZ CAT No:: SZ-F008010
CAS No: NA
Mol.F.: C8H14N6O4S3 : HCl
Mol.Wt.: 354.4 : 36.4
Inv. Status: Custom Synthesis
Rel. CAS No: 1020719-36-1 (free base)

Famotidine EP Impurity J

SZ CAT No:: SZ-F008011
CAS No: 76824-14-1
Mol.F.: C9H14N4O2S2
Mol.Wt.: 274.4
Inv. Status: In Stock

Famotidine Impurity HCl

SZ CAT No:: SZ-F008013
CAS No: 100599-91-5
Mol.F.: C5H8N4S : HCl
Mol.Wt.: 156.2 : 36.4
Inv. Status: Custom Synthesis
Rel. CAS No: 7120-01-6 (free base)

Famotidine Impurity 1

SZ CAT No:: SZ-F008021
CAS No: 154754-59-3
Mol.F.: C9H15N7O2S3
Mol.Wt.: 349.4
Inv. Status: Custom Synthesis

Famotidine Impurity 10

SZ CAT No:: SZ-F008032
CAS No: 57536-15-9
Mol.F.: C4H7N3S
Mol.Wt.: 129.2
Inv. Status: Custom Synthesis

Famotidine Impurity 11

SZ CAT No:: SZ-F008033
CAS No: NA
Mol.F.: C6H10N6S2
Mol.Wt.: 230.3
Inv. Status: Custom Synthesis

Famotidine Impurity 12

SZ CAT No:: SZ-F008034
CAS No: 20166-91-0
Mol.F.: C5H8N4S2
Mol.Wt.: 188.3
Inv. Status: Custom Synthesis

Famotidine Impurity 13

SZ CAT No:: SZ-F008035
CAS No: NA
Mol.F.: C15H19N7O2S3
Mol.Wt.: 425.5
Inv. Status: Custom Synthesis

Famotidine Impurity 14

SZ CAT No:: SZ-F008036
CAS No: NA
Mol.F.: C6H12ClN3O2S
Mol.Wt.: 225.7
Inv. Status: Custom Synthesis

Famotidine Impurity 15

SZ CAT No:: SZ-F008037
CAS No: NA
Mol.F.: C6H12Cl2N4O2S
Mol.Wt.: 275.1
Inv. Status: Custom Synthesis

Famotidine Impurity 16

SZ CAT No:: SZ-F008038
CAS No: NA
Mol.F.: C6H9Cl2N3O2S
Mol.Wt.: 258.1
Inv. Status: Custom Synthesis

Famotidine Impurity 17

SZ CAT No:: SZ-F008039
CAS No: NA
Mol.F.: C6H14N6O4S2
Mol.Wt.: 298.3
Inv. Status: Custom Synthesis

Famotidine Impurity 18

SZ CAT No:: SZ-F008040
CAS No: 772304-31-1
Mol.F.: C6H10N6S2
Mol.Wt.: 230.3
Inv. Status: Custom Synthesis
Rel. CAS No: 124822-89-5 (2HCl salt)

Famotidine Impurity 19

SZ CAT No:: SZ-F008041
CAS No: NA
Mol.F.: C8H15N7O2S3
Mol.Wt.: 337.4
Inv. Status: Custom Synthesis

Famotidine Impurity 2

SZ CAT No:: SZ-F008022
CAS No: 95907-34-9
Mol.F.: C5H9ClN4OS
Mol.Wt.: 208.7
Inv. Status: Custom Synthesis

Famotidine Impurity 21

SZ CAT No:: SZ-F008048
CAS No: 1378820-83-7
Mol.F.: C5H7ClN4S
Mol.Wt.: 190.6
Inv. Status: Custom Synthesis
Rel. CAS No: 1644079-28-6 (free base)

Famotidine Impurity 22

SZ CAT No:: SZ-F008052
CAS No: NA
Mol.F.: C3H8ClN3O2S
Mol.Wt.: 185.6
Inv. Status: Custom Synthesis

Famotidine Impurity 23

SZ CAT No:: SZ-F008053
CAS No: NA
Mol.F.: C14H25N7O7S3
Mol.Wt.: 499.6
Inv. Status: Custom Synthesis

Famotidine Impurity 3

SZ CAT No:: SZ-F008025
CAS No: 13598-81-7
Mol.F.: H5N3O4S2
Mol.Wt.: 175.2
Inv. Status: Custom Synthesis

Famotidine Impurity 4

SZ CAT No:: SZ-F008026
CAS No: NA
Mol.F.: C6H11N5O4S2
Mol.Wt.: 281.3
Inv. Status: Custom Synthesis

Famotidine Impurity 5

SZ CAT No:: SZ-F008027
CAS No: NA
Mol.F.: C3H8N4O4S2
Mol.Wt.: 228.2
Inv. Status: Custom Synthesis

Famotidine Impurity 6

SZ CAT No:: SZ-F008028
CAS No: NA
Mol.F.: C3H6N2O3S
Mol.Wt.: 150.2
Inv. Status: Custom Synthesis

Famotidine Impurity 7

SZ CAT No:: SZ-F008029
CAS No: 1384876-02-1
Mol.F.: C3H7N3O2S
Mol.Wt.: 149.2
Inv. Status: Custom Synthesis

Famotidine Impurity 8

SZ CAT No:: SZ-F008030
CAS No: 802257-93-8
Mol.F.: C3H6Cl2O4S
Mol.Wt.: 209.0
Inv. Status: Custom Synthesis

Famotidine Impurity 9

SZ CAT No:: SZ-F008031
CAS No: NA
Mol.F.: C6H10Cl4O4S
Mol.Wt.: 320.0
Inv. Status: Custom Synthesis

Famotidine Methoxy Impurity

SZ CAT No:: SZ-F008014
CAS No: 76823-94-4
Mol.F.: C9H15N5OS2
Mol.Wt.: 273.3
Inv. Status: Custom Synthesis

Famotidine Nitroso Impurity 1

SZ CAT No:: SZ-F008042
CAS No: NA
Mol.F.: C8H14N8O3S3
Mol.Wt.: 366.4
Inv. Status: Inquire

Famotidine Nitroso Impurity 2

SZ CAT No:: SZ-F008044
CAS No: NA
Mol.F.: C6H11N3O5
Mol.Wt.: 205.2
Inv. Status: Custom Synthesis

Famotidine Nitroso Impurity 3

SZ CAT No:: SZ-F008045
CAS No: NA
Mol.F.: C4H7N3O3
Mol.Wt.: 145.1
Inv. Status: Custom Synthesis

Famotidine S,S Diguanidino Impurity

SZ CAT No:: SZ-F008050
CAS No: NA
Mol.F.: C10H23N13O2S3
Mol.Wt.: 453.6
Inv. Status: Custom Synthesis

Famotidine Sulfoxide

SZ CAT No:: SZ-F008012
CAS No: 90237-03-9
Mol.F.: C8H15N7O3S3
Mol.Wt.: 353.4
Inv. Status: In Stock

Famotidine-13C-d3

SZ CAT No:: SZ-F008D02
CAS No: 2744683-81-4
Mol.F.: C713CH12D3N7O2S3
Mol.Wt.: 341.4
Inv. Status: Custom Synthesis

N-Nitroso Famotidine - I

SZ CAT No:: SZ-F008018
CAS No: NA
Mol.F.: C8H14N8O3S3
Mol.Wt.: 366.4
Inv. Status: Custom Synthesis

N-Nitroso Famotidine EP Impurity B

SZ CAT No:: SZ-F008054
CAS No: NA
Mol.F.: C16H22N12O3S5
Mol.Wt.: 590.7
Inv. Status: Custom Synthesis

N-Nitroso Famotidine -II

SZ CAT No:: SZ-F008019
CAS No: NA
Mol.F.: C8H15N8O3S3
Mol.Wt.: 367.4
Inv. Status: Inquire

3-Chloro-N-sulfamoylpropanimidamide Hydrochloride

SZ CAT No:: SZ-F008020
CAS No: 106649-95-0
Mol.F.: C3H8ClN3O2S : HCl
Mol.Wt.: 185.6 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No: 106492-70-0 (free base)

Famotidine

SZ CAT No:: SZ-F008001
CAS No: 76824-35-6
Mol.F.: C8H15N7O2S3
Mol.Wt.: 337.4
Inv. Status: Custom Synthesis

Famotidine - ETOH Impurity   

SZ CAT No:: SZ-F008023
CAS No: 2575516-74-2
Mol.F.: C10H17N7O3S3
Mol.Wt.: 379.5
Inv. Status: Custom Synthesis
Rel. CAS No: 2575516-75-3 (Maleate salt)

Famotidine Adduct Impurity

SZ CAT No:: SZ-F008017
CAS No: 1994267-84-3
Mol.F.: C15H19N7O2S3
Mol.Wt.: 425.5
Inv. Status: In Stock

Famotidine Chloromethyl Impurity

SZ CAT No:: SZ-F008016
CAS No: 69014-12-6
Mol.F.: C5H7ClN4S : HCl
Mol.Wt.: 190.7 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No: 81152-53-6 (free base)

Famotidine Cyanoethyl Impurity 

SZ CAT No:: SZ-F008015
CAS No: 76823-93-3
Mol.F.: C8H11N5S2
Mol.Wt.: 241.3
Inv. Status: Custom Synthesis

Famotidine D4

SZ CAT No:: SZ-F008D01
CAS No: NA
Mol.F.: C8H11D4N7O2S3
Mol.Wt.: 341.5
Inv. Status: Custom Synthesis
Rel. CAS No: 76824-35-6 (Unlabeled)

Famotidine EP Impurity A (2HCl salt)

SZ CAT No:: SZ-F008002
CAS No: 88061-72-7
Mol.F.: C8H14N6S2 : 2(HCl)
Mol.Wt.: 258.4 : 2(36.5)
Inv. Status: In Stock
Rel. CAS No: 124646-10-2 (free base) ; 76833-47-1 (HCl salt)

Famotidine EP Impurity B

SZ CAT No:: SZ-F008003
CAS No: 89268-62-2
Mol.F.: C16H23N11O2S5
Mol.Wt.: 561.7
Inv. Status: Limited Stock
Rel. CAS No: 109467-08-5 (dimaleate salt)
Rel. CAT No: SZ-F008043 , SZ-F008046 ,

Famotidine EP Impurity B (Dimaleate salt)

SZ CAT No:: SZ-F008046
CAS No: 109467-08-5
Mol.F.: C16H23N11O2S5 : 2(C4H4O4)
Mol.Wt.: 561.7 : 2(116.1)
Inv. Status: In Stock
Rel. CAS No: 89268-62-2 (free base)
Rel. CAT No: SZ-F008003 , SZ-F008043 ,

Famotidine EP Impurity B (Mandelate salt)

SZ CAT No:: SZ-F008043
CAS No: NA
Mol.F.: C16H23N11O2S5 : C8H8O3
Mol.Wt.: 561.7 : 152.1
Inv. Status: In Stock
Rel. CAS No: 89268-62-2 (free base) ; 109467-08-5 (dimaleate salt)
Rel. CAT No: SZ-F008003 , SZ-F008046 ,

Famotidine EP Impurity C

SZ CAT No:: SZ-F008004
CAS No: 76824-17-4
Mol.F.: C8H14N6O3S3 : HCl
Mol.Wt.: 338.4 : 36.4
Inv. Status: In Stock
Rel. CAS No: 106433-44-7 (free base)

Famotidine EP Impurity D

SZ CAT No:: SZ-F008005
CAS No: 76824-16-3
Mol.F.: C8H13N5OS2
Mol.Wt.: 259.3
Inv. Status: In Stock

Famotidine EP Impurity E

SZ CAT No:: SZ-F008006
CAS No: 129083-44-9
Mol.F.: C10H14N8S4
Mol.Wt.: 374.5
Inv. Status: In Stock

Famotidine EP Impurity F

SZ CAT No:: SZ-F008007
CAS No: 107880-74-0
Mol.F.: C8H12N4O2S2
Mol.Wt.: 260.3
Inv. Status: In Stock

Famotidine EP Impurity G

SZ CAT No:: SZ-F008008
CAS No: 76823-97-7
Mol.F.: C9H13N7S2
Mol.Wt.: 283.4
Inv. Status: Limited Stock

Famotidine EP Impurity G (Maleate salt)

SZ CAT No:: SZ-F008051
CAS No: NA
Mol.F.: C9H13N7S2 : C4H4O4
Mol.Wt.: 283.4 : 116.1
Inv. Status: In Stock
Rel. CAS No: 76823-97-7 (free base)

Famotidine EP Impurity H

SZ CAT No:: SZ-F008009
CAS No: 88046-01-9
Mol.F.: C6H10N6S2 : 2(HCl)
Mol.Wt.: 230.3 : 2(36.5)
Inv. Status: In Stock
Rel. CAS No: 106649-96-1 (free base)

Famotidine EP Impurity I

SZ CAT No:: SZ-F008010
CAS No: NA
Mol.F.: C8H14N6O4S3 : HCl
Mol.Wt.: 354.4 : 36.4
Inv. Status: Custom Synthesis
Rel. CAS No: 1020719-36-1 (free base)

Famotidine EP Impurity J

SZ CAT No:: SZ-F008011
CAS No: 76824-14-1
Mol.F.: C9H14N4O2S2
Mol.Wt.: 274.4
Inv. Status: In Stock

Famotidine Impurity HCl

SZ CAT No:: SZ-F008013
CAS No: 100599-91-5
Mol.F.: C5H8N4S : HCl
Mol.Wt.: 156.2 : 36.4
Inv. Status: Custom Synthesis
Rel. CAS No: 7120-01-6 (free base)

Famotidine Impurity 1

SZ CAT No:: SZ-F008021
CAS No: 154754-59-3
Mol.F.: C9H15N7O2S3
Mol.Wt.: 349.4
Inv. Status: Custom Synthesis

Famotidine Impurity 10

SZ CAT No:: SZ-F008032
CAS No: 57536-15-9
Mol.F.: C4H7N3S
Mol.Wt.: 129.2
Inv. Status: Custom Synthesis

Famotidine Impurity 11

SZ CAT No:: SZ-F008033
CAS No: NA
Mol.F.: C6H10N6S2
Mol.Wt.: 230.3
Inv. Status: Custom Synthesis

Famotidine Impurity 12

SZ CAT No:: SZ-F008034
CAS No: 20166-91-0
Mol.F.: C5H8N4S2
Mol.Wt.: 188.3
Inv. Status: Custom Synthesis

Famotidine Impurity 13

SZ CAT No:: SZ-F008035
CAS No: NA
Mol.F.: C15H19N7O2S3
Mol.Wt.: 425.5
Inv. Status: Custom Synthesis

Famotidine Impurity 14

SZ CAT No:: SZ-F008036
CAS No: NA
Mol.F.: C6H12ClN3O2S
Mol.Wt.: 225.7
Inv. Status: Custom Synthesis

Famotidine Impurity 15

SZ CAT No:: SZ-F008037
CAS No: NA
Mol.F.: C6H12Cl2N4O2S
Mol.Wt.: 275.1
Inv. Status: Custom Synthesis

Famotidine Impurity 16

SZ CAT No:: SZ-F008038
CAS No: NA
Mol.F.: C6H9Cl2N3O2S
Mol.Wt.: 258.1
Inv. Status: Custom Synthesis

Famotidine Impurity 17

SZ CAT No:: SZ-F008039
CAS No: NA
Mol.F.: C6H14N6O4S2
Mol.Wt.: 298.3
Inv. Status: Custom Synthesis

Famotidine Impurity 18

SZ CAT No:: SZ-F008040
CAS No: 772304-31-1
Mol.F.: C6H10N6S2
Mol.Wt.: 230.3
Inv. Status: Custom Synthesis
Rel. CAS No: 124822-89-5 (2HCl salt)

Famotidine Impurity 19

SZ CAT No:: SZ-F008041
CAS No: NA
Mol.F.: C8H15N7O2S3
Mol.Wt.: 337.4
Inv. Status: Custom Synthesis

Famotidine Impurity 2

SZ CAT No:: SZ-F008022
CAS No: 95907-34-9
Mol.F.: C5H9ClN4OS
Mol.Wt.: 208.7
Inv. Status: Custom Synthesis

Famotidine Impurity 21

SZ CAT No:: SZ-F008048
CAS No: 1378820-83-7
Mol.F.: C5H7ClN4S
Mol.Wt.: 190.6
Inv. Status: Custom Synthesis
Rel. CAS No: 1644079-28-6 (free base)

Famotidine Impurity 22

SZ CAT No:: SZ-F008052
CAS No: NA
Mol.F.: C3H8ClN3O2S
Mol.Wt.: 185.6
Inv. Status: Custom Synthesis

Famotidine Impurity 23

SZ CAT No:: SZ-F008053
CAS No: NA
Mol.F.: C14H25N7O7S3
Mol.Wt.: 499.6
Inv. Status: Custom Synthesis

Famotidine Impurity 3

SZ CAT No:: SZ-F008025
CAS No: 13598-81-7
Mol.F.: H5N3O4S2
Mol.Wt.: 175.2
Inv. Status: Custom Synthesis

Famotidine Impurity 4

SZ CAT No:: SZ-F008026
CAS No: NA
Mol.F.: C6H11N5O4S2
Mol.Wt.: 281.3
Inv. Status: Custom Synthesis

Famotidine Impurity 5

SZ CAT No:: SZ-F008027
CAS No: NA
Mol.F.: C3H8N4O4S2
Mol.Wt.: 228.2
Inv. Status: Custom Synthesis

Famotidine Impurity 6

SZ CAT No:: SZ-F008028
CAS No: NA
Mol.F.: C3H6N2O3S
Mol.Wt.: 150.2
Inv. Status: Custom Synthesis

Famotidine Impurity 7

SZ CAT No:: SZ-F008029
CAS No: 1384876-02-1
Mol.F.: C3H7N3O2S
Mol.Wt.: 149.2
Inv. Status: Custom Synthesis

Famotidine Impurity 8

SZ CAT No:: SZ-F008030
CAS No: 802257-93-8
Mol.F.: C3H6Cl2O4S
Mol.Wt.: 209.0
Inv. Status: Custom Synthesis

Famotidine Impurity 9

SZ CAT No:: SZ-F008031
CAS No: NA
Mol.F.: C6H10Cl4O4S
Mol.Wt.: 320.0
Inv. Status: Custom Synthesis

Famotidine Methoxy Impurity

SZ CAT No:: SZ-F008014
CAS No: 76823-94-4
Mol.F.: C9H15N5OS2
Mol.Wt.: 273.3
Inv. Status: Custom Synthesis

Famotidine Nitroso Impurity 1

SZ CAT No:: SZ-F008042
CAS No: NA
Mol.F.: C8H14N8O3S3
Mol.Wt.: 366.4
Inv. Status: Inquire

Famotidine Nitroso Impurity 2

SZ CAT No:: SZ-F008044
CAS No: NA
Mol.F.: C6H11N3O5
Mol.Wt.: 205.2
Inv. Status: Custom Synthesis

Famotidine Nitroso Impurity 3

SZ CAT No:: SZ-F008045
CAS No: NA
Mol.F.: C4H7N3O3
Mol.Wt.: 145.1
Inv. Status: Custom Synthesis

Famotidine S,S Diguanidino Impurity

SZ CAT No:: SZ-F008050
CAS No: NA
Mol.F.: C10H23N13O2S3
Mol.Wt.: 453.6
Inv. Status: Custom Synthesis

Famotidine Sulfoxide

SZ CAT No:: SZ-F008012
CAS No: 90237-03-9
Mol.F.: C8H15N7O3S3
Mol.Wt.: 353.4
Inv. Status: In Stock

Famotidine-13C-d3

SZ CAT No:: SZ-F008D02
CAS No: 2744683-81-4
Mol.F.: C713CH12D3N7O2S3
Mol.Wt.: 341.4
Inv. Status: Custom Synthesis

N-Nitroso Famotidine - I

SZ CAT No:: SZ-F008018
CAS No: NA
Mol.F.: C8H14N8O3S3
Mol.Wt.: 366.4
Inv. Status: Custom Synthesis

N-Nitroso Famotidine EP Impurity B

SZ CAT No:: SZ-F008054
CAS No: NA
Mol.F.: C16H22N12O3S5
Mol.Wt.: 590.7
Inv. Status: Custom Synthesis

N-Nitroso Famotidine -II

SZ CAT No:: SZ-F008019
CAS No: NA
Mol.F.: C8H15N8O3S3
Mol.Wt.: 367.4
Inv. Status: Inquire

3-Chloro-N-sulfamoylpropanimidamide Hydrochloride

SZ CAT No:: SZ-F008020
CAS No: 106649-95-0
Mol.F.: C3H8ClN3O2S : HCl
Mol.Wt.: 185.6 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No: 106492-70-0 (free base)

Famotidine

SZ CAT No:: SZ-F008001
CAS No: 76824-35-6
Mol.F.: C8H15N7O2S3
Mol.Wt.: 337.4
Inv. Status: Custom Synthesis

Famotidine - ETOH Impurity   

SZ CAT No:: SZ-F008023
CAS No: 2575516-74-2
Mol.F.: C10H17N7O3S3
Mol.Wt.: 379.5
Inv. Status: Custom Synthesis
Rel. CAS No: 2575516-75-3 (Maleate salt)

Famotidine Adduct Impurity

SZ CAT No:: SZ-F008017
CAS No: 1994267-84-3
Mol.F.: C15H19N7O2S3
Mol.Wt.: 425.5
Inv. Status: In Stock

Famotidine Chloromethyl Impurity

SZ CAT No:: SZ-F008016
CAS No: 69014-12-6
Mol.F.: C5H7ClN4S : HCl
Mol.Wt.: 190.7 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No: 81152-53-6 (free base)

Famotidine Cyanoethyl Impurity 

SZ CAT No:: SZ-F008015
CAS No: 76823-93-3
Mol.F.: C8H11N5S2
Mol.Wt.: 241.3
Inv. Status: Custom Synthesis

Famotidine D4

SZ CAT No:: SZ-F008D01
CAS No: NA
Mol.F.: C8H11D4N7O2S3
Mol.Wt.: 341.5
Inv. Status: Custom Synthesis
Rel. CAS No: 76824-35-6 (Unlabeled)

Famotidine EP Impurity A (2HCl salt)

SZ CAT No:: SZ-F008002
CAS No: 88061-72-7
Mol.F.: C8H14N6S2 : 2(HCl)
Mol.Wt.: 258.4 : 2(36.5)
Inv. Status: In Stock
Rel. CAS No: 124646-10-2 (free base) ; 76833-47-1 (HCl salt)

Famotidine EP Impurity B

SZ CAT No:: SZ-F008003
CAS No: 89268-62-2
Mol.F.: C16H23N11O2S5
Mol.Wt.: 561.7
Inv. Status: Limited Stock
Rel. CAS No: 109467-08-5 (dimaleate salt)
Rel. CAT No: SZ-F008043 , SZ-F008046 ,

Famotidine EP Impurity B (Dimaleate salt)

SZ CAT No:: SZ-F008046
CAS No: 109467-08-5
Mol.F.: C16H23N11O2S5 : 2(C4H4O4)
Mol.Wt.: 561.7 : 2(116.1)
Inv. Status: In Stock
Rel. CAS No: 89268-62-2 (free base)
Rel. CAT No: SZ-F008003 , SZ-F008043 ,

Famotidine EP Impurity B (Mandelate salt)

SZ CAT No:: SZ-F008043
CAS No: NA
Mol.F.: C16H23N11O2S5 : C8H8O3
Mol.Wt.: 561.7 : 152.1
Inv. Status: In Stock
Rel. CAS No: 89268-62-2 (free base) ; 109467-08-5 (dimaleate salt)
Rel. CAT No: SZ-F008003 , SZ-F008046 ,

Famotidine EP Impurity C

SZ CAT No:: SZ-F008004
CAS No: 76824-17-4
Mol.F.: C8H14N6O3S3 : HCl
Mol.Wt.: 338.4 : 36.4
Inv. Status: In Stock
Rel. CAS No: 106433-44-7 (free base)

Famotidine EP Impurity D

SZ CAT No:: SZ-F008005
CAS No: 76824-16-3
Mol.F.: C8H13N5OS2
Mol.Wt.: 259.3
Inv. Status: In Stock

Famotidine EP Impurity E

SZ CAT No:: SZ-F008006
CAS No: 129083-44-9
Mol.F.: C10H14N8S4
Mol.Wt.: 374.5
Inv. Status: In Stock

Famotidine EP Impurity F

SZ CAT No:: SZ-F008007
CAS No: 107880-74-0
Mol.F.: C8H12N4O2S2
Mol.Wt.: 260.3
Inv. Status: In Stock

Famotidine EP Impurity G

SZ CAT No:: SZ-F008008
CAS No: 76823-97-7
Mol.F.: C9H13N7S2
Mol.Wt.: 283.4
Inv. Status: Limited Stock

Famotidine EP Impurity G (Maleate salt)

SZ CAT No:: SZ-F008051
CAS No: NA
Mol.F.: C9H13N7S2 : C4H4O4
Mol.Wt.: 283.4 : 116.1
Inv. Status: In Stock
Rel. CAS No: 76823-97-7 (free base)

Famotidine EP Impurity H

SZ CAT No:: SZ-F008009
CAS No: 88046-01-9
Mol.F.: C6H10N6S2 : 2(HCl)
Mol.Wt.: 230.3 : 2(36.5)
Inv. Status: In Stock
Rel. CAS No: 106649-96-1 (free base)

Famotidine EP Impurity I

SZ CAT No:: SZ-F008010
CAS No: NA
Mol.F.: C8H14N6O4S3 : HCl
Mol.Wt.: 354.4 : 36.4
Inv. Status: Custom Synthesis
Rel. CAS No: 1020719-36-1 (free base)

Famotidine EP Impurity J

SZ CAT No:: SZ-F008011
CAS No: 76824-14-1
Mol.F.: C9H14N4O2S2
Mol.Wt.: 274.4
Inv. Status: In Stock

Famotidine Impurity HCl

SZ CAT No:: SZ-F008013
CAS No: 100599-91-5
Mol.F.: C5H8N4S : HCl
Mol.Wt.: 156.2 : 36.4
Inv. Status: Custom Synthesis
Rel. CAS No: 7120-01-6 (free base)

Famotidine Impurity 1

SZ CAT No:: SZ-F008021
CAS No: 154754-59-3
Mol.F.: C9H15N7O2S3
Mol.Wt.: 349.4
Inv. Status: Custom Synthesis

Famotidine Impurity 10

SZ CAT No:: SZ-F008032
CAS No: 57536-15-9
Mol.F.: C4H7N3S
Mol.Wt.: 129.2
Inv. Status: Custom Synthesis

Famotidine Impurity 11

SZ CAT No:: SZ-F008033
CAS No: NA
Mol.F.: C6H10N6S2
Mol.Wt.: 230.3
Inv. Status: Custom Synthesis

Famotidine Impurity 12

SZ CAT No:: SZ-F008034
CAS No: 20166-91-0
Mol.F.: C5H8N4S2
Mol.Wt.: 188.3
Inv. Status: Custom Synthesis

Famotidine Impurity 13

SZ CAT No:: SZ-F008035
CAS No: NA
Mol.F.: C15H19N7O2S3
Mol.Wt.: 425.5
Inv. Status: Custom Synthesis

Famotidine Impurity 14

SZ CAT No:: SZ-F008036
CAS No: NA
Mol.F.: C6H12ClN3O2S
Mol.Wt.: 225.7
Inv. Status: Custom Synthesis

Famotidine Impurity 15

SZ CAT No:: SZ-F008037
CAS No: NA
Mol.F.: C6H12Cl2N4O2S
Mol.Wt.: 275.1
Inv. Status: Custom Synthesis

Famotidine Impurity 16

SZ CAT No:: SZ-F008038
CAS No: NA
Mol.F.: C6H9Cl2N3O2S
Mol.Wt.: 258.1
Inv. Status: Custom Synthesis

Famotidine Impurity 17

SZ CAT No:: SZ-F008039
CAS No: NA
Mol.F.: C6H14N6O4S2
Mol.Wt.: 298.3
Inv. Status: Custom Synthesis

Famotidine Impurity 18

SZ CAT No:: SZ-F008040
CAS No: 772304-31-1
Mol.F.: C6H10N6S2
Mol.Wt.: 230.3
Inv. Status: Custom Synthesis
Rel. CAS No: 124822-89-5 (2HCl salt)

Famotidine Impurity 19

SZ CAT No:: SZ-F008041
CAS No: NA
Mol.F.: C8H15N7O2S3
Mol.Wt.: 337.4
Inv. Status: Custom Synthesis

Famotidine Impurity 2

SZ CAT No:: SZ-F008022
CAS No: 95907-34-9
Mol.F.: C5H9ClN4OS
Mol.Wt.: 208.7
Inv. Status: Custom Synthesis

Famotidine Impurity 21

SZ CAT No:: SZ-F008048
CAS No: 1378820-83-7
Mol.F.: C5H7ClN4S
Mol.Wt.: 190.6
Inv. Status: Custom Synthesis
Rel. CAS No: 1644079-28-6 (free base)

Famotidine Impurity 22

SZ CAT No:: SZ-F008052
CAS No: NA
Mol.F.: C3H8ClN3O2S
Mol.Wt.: 185.6
Inv. Status: Custom Synthesis

Famotidine Impurity 23

SZ CAT No:: SZ-F008053
CAS No: NA
Mol.F.: C14H25N7O7S3
Mol.Wt.: 499.6
Inv. Status: Custom Synthesis

Famotidine Impurity 3

SZ CAT No:: SZ-F008025
CAS No: 13598-81-7
Mol.F.: H5N3O4S2
Mol.Wt.: 175.2
Inv. Status: Custom Synthesis

Famotidine Impurity 4

SZ CAT No:: SZ-F008026
CAS No: NA
Mol.F.: C6H11N5O4S2
Mol.Wt.: 281.3
Inv. Status: Custom Synthesis

Famotidine Impurity 5

SZ CAT No:: SZ-F008027
CAS No: NA
Mol.F.: C3H8N4O4S2
Mol.Wt.: 228.2
Inv. Status: Custom Synthesis

Famotidine Impurity 6

SZ CAT No:: SZ-F008028
CAS No: NA
Mol.F.: C3H6N2O3S
Mol.Wt.: 150.2
Inv. Status: Custom Synthesis

Famotidine Impurity 7

SZ CAT No:: SZ-F008029
CAS No: 1384876-02-1
Mol.F.: C3H7N3O2S
Mol.Wt.: 149.2
Inv. Status: Custom Synthesis

Famotidine Impurity 8

SZ CAT No:: SZ-F008030
CAS No: 802257-93-8
Mol.F.: C3H6Cl2O4S
Mol.Wt.: 209.0
Inv. Status: Custom Synthesis

Famotidine Impurity 9

SZ CAT No:: SZ-F008031
CAS No: NA
Mol.F.: C6H10Cl4O4S
Mol.Wt.: 320.0
Inv. Status: Custom Synthesis

Famotidine Methoxy Impurity

SZ CAT No:: SZ-F008014
CAS No: 76823-94-4
Mol.F.: C9H15N5OS2
Mol.Wt.: 273.3
Inv. Status: Custom Synthesis

Famotidine Nitroso Impurity 1

SZ CAT No:: SZ-F008042
CAS No: NA
Mol.F.: C8H14N8O3S3
Mol.Wt.: 366.4
Inv. Status: Inquire

Famotidine Nitroso Impurity 2

SZ CAT No:: SZ-F008044
CAS No: NA
Mol.F.: C6H11N3O5
Mol.Wt.: 205.2
Inv. Status: Custom Synthesis

Famotidine Nitroso Impurity 3

SZ CAT No:: SZ-F008045
CAS No: NA
Mol.F.: C4H7N3O3
Mol.Wt.: 145.1
Inv. Status: Custom Synthesis

Famotidine S,S Diguanidino Impurity

SZ CAT No:: SZ-F008050
CAS No: NA
Mol.F.: C10H23N13O2S3
Mol.Wt.: 453.6
Inv. Status: Custom Synthesis

Famotidine Sulfoxide

SZ CAT No:: SZ-F008012
CAS No: 90237-03-9
Mol.F.: C8H15N7O3S3
Mol.Wt.: 353.4
Inv. Status: In Stock

Famotidine-13C-d3

SZ CAT No:: SZ-F008D02
CAS No: 2744683-81-4
Mol.F.: C713CH12D3N7O2S3
Mol.Wt.: 341.4
Inv. Status: Custom Synthesis

N-Nitroso Famotidine - I

SZ CAT No:: SZ-F008018
CAS No: NA
Mol.F.: C8H14N8O3S3
Mol.Wt.: 366.4
Inv. Status: Custom Synthesis

N-Nitroso Famotidine EP Impurity B

SZ CAT No:: SZ-F008054
CAS No: NA
Mol.F.: C16H22N12O3S5
Mol.Wt.: 590.7
Inv. Status: Custom Synthesis

N-Nitroso Famotidine -II

SZ CAT No:: SZ-F008019
CAS No: NA
Mol.F.: C8H15N8O3S3
Mol.Wt.: 367.4
Inv. Status: Inquire
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