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Entecavir Related Products


SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Entecavir, pharmacopeial and non-pharmacopeial Entecavir impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Entecavir 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.

Entecavir-related products are thoroughly characterized. Entecavir 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.

Pharmaceutical Reference Standards

Entecavir Hydrate

Picture of Entecavir Hydrate
SZ CAT No:: SZ-E014001
CAS No: 209216-23-9
Mol.F.: C12H15N5O3 : H2O
Mol.Wt.: 277.3 : 18.0
Inv. Status: In Stock
Rel. CAS No: 142217-69-4 (free base)

Entecavir Impurity 5

Picture of Entecavir Impurity 5
SZ CAT No:: SZ-E014021
CAS No: 142217-81-0
Mol.F.: C26H27N5O3
Mol.Wt.: 457.5
Inv. Status: In Stock

4-Dimethylsilyl entecavir

Picture of 4-Dimethylsilyl entecavir
SZ CAT No:: SZ-E014014
CAS No: 870614-82-7
Mol.F.: C14H21N5O3Si
Mol.Wt.: 335.4
Inv. Status: Custom Synthesis

Entecavir EP Impurity A

Picture of Entecavir EP Impurity A
SZ CAT No:: SZ-E014002
CAS No: NA
Mol.F.: C12H15N5O3
Mol.Wt.: 277.3
Inv. Status: Custom Synthesis

Entecavir EP Impurity B

Picture of Entecavir EP Impurity B
SZ CAT No:: SZ-E014003
CAS No: 1367369-77-4
Mol.F.: C12H15N5O3
Mol.Wt.: 277.3
Inv. Status: Custom Synthesis

Entecavir EP Impurity C

Picture of Entecavir EP Impurity C
SZ CAT No:: SZ-E014004
CAS No: 2204369-23-1
Mol.F.: C12H15N5O4
Mol.Wt.: 293.3
Inv. Status: Custom Synthesis

Entecavir EP Impurity D

Picture of Entecavir EP Impurity D
SZ CAT No:: SZ-E014005
CAS No: 1367369-80-9
Mol.F.: C12H15N5O3
Mol.Wt.: 277.3
Inv. Status: Custom Synthesis

Entecavir EP Impurity E

Picture of Entecavir EP Impurity E
SZ CAT No:: SZ-E014006
CAS No: 2349444-69-3
Mol.F.: C13H17N5O4
Mol.Wt.: 307.3
Inv. Status: Custom Synthesis

Entecavir EP Impurity F

Picture of Entecavir EP Impurity F
SZ CAT No:: SZ-E014007
CAS No: 649761-24-0
Mol.F.: C27H31N5O2Si
Mol.Wt.: 485.7
Inv. Status: Custom Synthesis
Rel. CAS No: 701278-11-7 (HCl salt)

Entecavir Lactose Adduct Impurity 1

Picture of Entecavir Lactose Adduct Impurity 1
SZ CAT No:: SZ-E014041
CAS No: NA
Mol.F.: C24H35N5O13
Mol.Wt.: 601.6
Inv. Status: Custom Synthesis

Entecavir Lactose Adduct Impurity 2

Picture of Entecavir Lactose Adduct Impurity 2
SZ CAT No:: SZ-E014042
CAS No: NA
Mol.F.: C24H35N5O13
Mol.Wt.: 601.6
Inv. Status: Custom Synthesis

Entecavir 1-epimer

Picture of Entecavir 1-epimer
SZ CAT No:: SZ-E014009
CAS No: 1367369-78-5
Mol.F.: C12H15N5O3
Mol.Wt.: 277.3
Inv. Status: Custom Synthesis

Entecavir Impurity 1

Picture of Entecavir Impurity 1
SZ CAT No:: SZ-E014017
CAS No: 1367369-76-3
Mol.F.: C12H15N5O3
Mol.Wt.: 277.3
Inv. Status: Custom Synthesis

Entecavir Impurity 10

Picture of Entecavir Impurity 10
SZ CAT No:: SZ-E014026
CAS No: 142217-80-9
Mol.F.: C53H49N5O4
Mol.Wt.: 820
Inv. Status: Custom Synthesis

Entecavir Impurity 11

Picture of Entecavir Impurity 11
SZ CAT No:: SZ-E014027
CAS No: NA
Mol.F.: C33H33N5O3
Mol.Wt.: 547.7
Inv. Status: Custom Synthesis

Entecavir Impurity 12

Picture of Entecavir Impurity 12
SZ CAT No:: SZ-E014028
CAS No: 84868-56-4
Mol.F.: C21H20O2
Mol.Wt.: 304.4
Inv. Status: Custom Synthesis

Entecavir Impurity 13

Picture of Entecavir Impurity 13
SZ CAT No:: SZ-E014029
CAS No: NA
Mol.F.: C21H27N5O3Si
Mol.Wt.: 425.6
Inv. Status: Custom Synthesis

Entecavir Impurity 14

Picture of Entecavir Impurity 14
SZ CAT No:: SZ-E014030
CAS No: 1354695-74-1
Mol.F.: C52H49N5O5
Mol.Wt.: 824
Inv. Status: Custom Synthesis

Entecavir Impurity 15

Picture of Entecavir Impurity 15
SZ CAT No:: SZ-E014031
CAS No: 1354695-85-4
Mol.F.: C26H27N5O3
Mol.Wt.: 457.5
Inv. Status: Custom Synthesis

Entecavir Impurity 16

Picture of Entecavir Impurity 16
SZ CAT No:: SZ-E014032
CAS No: 1661867-19-1
Mol.F.: C52H47N5O3
Mol.Wt.: 790
Inv. Status: Custom Synthesis

Entecavir Impurity 17

Picture of Entecavir Impurity 17
SZ CAT No:: SZ-E014033
CAS No: 1345339-53-8
Mol.F.: C51H47N5O4
Mol.Wt.: 794
Inv. Status: Custom Synthesis

Entecavir Impurity 18

Picture of Entecavir Impurity 18
SZ CAT No:: SZ-E014034
CAS No: 142217-77-4
Mol.F.: C32H33N5O4
Mol.Wt.: 551.6
Inv. Status: Custom Synthesis

Entecavir Impurity 19

Picture of Entecavir Impurity 19
SZ CAT No:: SZ-E014035
CAS No: 1354695-84-3
Mol.F.: C26H27N5O3
Mol.Wt.: 457.5
Inv. Status: Custom Synthesis

Entecavir Impurity 2

Picture of Entecavir Impurity 2
SZ CAT No:: SZ-E014018
CAS No: 188399-46-4
Mol.F.: C12H15N5O3
Mol.Wt.: 277.3
Inv. Status: Custom Synthesis

Entecavir Impurity 20

Picture of Entecavir Impurity 20
SZ CAT No:: SZ-E014037
CAS No: NA
Mol.F.: C12H13N5O2
Mol.Wt.: 259.3
Inv. Status: Custom Synthesis

Entecavir Impurity 21

Picture of Entecavir Impurity 21
SZ CAT No:: SZ-E014038
CAS No: NA
Mol.F.: C12H15N5O3
Mol.Wt.: 277.3
Inv. Status: Custom Synthesis

Entecavir Impurity 22

Picture of Entecavir Impurity 22
SZ CAT No:: SZ-E014039
CAS No: 1354695-82-1
Mol.F.: C26H27N5O3
Mol.Wt.: 457.5
Inv. Status: Custom Synthesis

Entecavir Impurity 23

Picture of Entecavir Impurity 23
SZ CAT No:: SZ-E014040
CAS No: 1354695-86-5
Mol.F.: C26H27N5O3
Mol.Wt.: 457.5
Inv. Status: Custom Synthesis

Entecavir Impurity 24

Picture of Entecavir Impurity 24
SZ CAT No:: SZ-E014043
CAS No: 110567-22-1
Mol.F.: C20H22O3
Mol.Wt.: 310.4
Inv. Status: Custom Synthesis

Entecavir Impurity 25

Picture of Entecavir Impurity 25
SZ CAT No:: SZ-E014044
CAS No: 117641-39-1
Mol.F.: C13H16O3
Mol.Wt.: 220.3
Inv. Status: Custom Synthesis

Entecavir Impurity 26

Picture of Entecavir Impurity 26
SZ CAT No:: SZ-E014036
CAS No: NA
Mol.F.: C12H15N5O4
Mol.Wt.: 293.3
Inv. Status: Custom Synthesis

Entecavir Impurity 3

Picture of Entecavir Impurity 3
SZ CAT No:: SZ-E014019
CAS No: NA
Mol.F.: C12H15N5O4
Mol.Wt.: 293.3
Inv. Status: Custom Synthesis

Entecavir Impurity 6

Picture of Entecavir Impurity 6
SZ CAT No:: SZ-E014022
CAS No: NA
Mol.F.: C12H15N5O4
Mol.Wt.: 293.3
Inv. Status: Custom Synthesis

Entecavir Impurity 7

Picture of Entecavir Impurity 7
SZ CAT No:: SZ-E014023
CAS No: NA
Mol.F.: C14H21N5O3Si
Mol.Wt.: 335.4
Inv. Status: Custom Synthesis

Entecavir Impurity 8

Picture of Entecavir Impurity 8
SZ CAT No:: SZ-E014024
CAS No: 142217-78-5
Mol.F.: C52H49N5O5
Mol.Wt.: 824
Inv. Status: Custom Synthesis

Entecavir Impurity 9

Picture of Entecavir Impurity 9
SZ CAT No:: SZ-E014025
CAS No: 142217-79-6
Mol.F.: C52H47N5O5
Mol.Wt.: 822
Inv. Status: Custom Synthesis

Furoentecavir

Picture of Furoentecavir
SZ CAT No:: SZ-E014008
CAS No: 1984788-96-6
Mol.F.: C12H15N5O4
Mol.Wt.: 293.3
Inv. Status: Custom Synthesis

Entecavir

Picture of Entecavir
SZ CAT No:: SZ-E014045
CAS No: 142217-69-4
Mol.F.: C12H15N5O3
Mol.Wt.: 277.3
Inv. Status:
Rel. CAS No: 209216-23-9 (Hydrate) ; 911196-94-6 (HCl salt) ; 946120-62-3 (HBr salt) ; 868050-26-4 (potassium salt) ; 868050-25-3 (Sodium salt) ; 868050-28-6 (Calcium salt)
Rel. CAT No: SZ-E014001 (Hydrate) ,
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