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Pharmaceutical Reference Standards

Tacrolimus Hydrate

Picture of Tacrolimus Hydrate
CAT No: SZ-T005001
CAS No: 109581-93-3
Mol.F. : C44H69NO12 : H2O
Mol.Wt. : 804.0 : 18.0
Inv. Status: In Stock
Rel. CAS No : 104987-11-3 (free base)
SZ-T005001
CAS No:109581-93-3
Mol.F.: C44H69NO12 : H2O
Mol.Wt.: 804.0 : 18.0
Inv. Status: In Stock
Rel. CAS No : 104987-11-3 (free base)

Tacrolimus EP Impurity E

Picture of Tacrolimus EP Impurity E
CAT No: SZ-T005002
CAS No: 104987-30-6
Mol.F. : C44H71NO12
Mol.Wt. : 806.0
Inv. Status: In Stock
SZ-T005002
CAS No:104987-30-6
Mol.F.: C44H71NO12
Mol.Wt.: 806.0
Inv. Status: In Stock

Tacrolimus EP Impurity I

Picture of Tacrolimus EP Impurity I
CAT No: SZ-T005003
CAS No: 104987-16-8
Mol.F. : C44H67NO11
Mol.Wt. : 786.0
Inv. Status: In Stock
SZ-T005003
CAS No:104987-16-8
Mol.F.: C44H67NO11
Mol.Wt.: 786.0
Inv. Status: In Stock

Tacrolimus EP Impurity D

Picture of Tacrolimus EP Impurity D
CAT No: SZ-T005004
CAS No: 129212-35-7
Mol.F. : C44H69NO12
Mol.Wt. : 804.0
Inv. Status: In Stock
SZ-T005004
CAS No:129212-35-7
Mol.F.: C44H69NO12
Mol.Wt.: 804.0
Inv. Status: In Stock

Tacrolimus Regioisomer

Picture of Tacrolimus Regioisomer
CAT No: SZ-T005005
CAS No: 131944-48-4
Mol.F. : C44H69NO12
Mol.Wt. : 804.0
Inv. Status: In Stock
SZ-T005005
CAS No:131944-48-4
Mol.F.: C44H69NO12
Mol.Wt.: 804.0
Inv. Status: In Stock

Tacrolimus Hydroxy Acid Impurity

Picture of Tacrolimus Hydroxy Acid Impurity
CAT No: SZ-T005006
CAS No: 1700657-83-5
Mol.F. : C44H71NO13
Mol.Wt. : 822.0
Inv. Status: In Stock
SZ-T005006
CAS No:1700657-83-5
Mol.F.: C44H71NO13
Mol.Wt.: 822.0
Inv. Status: In Stock

Tacrolimus Ring-Opening Impurity

Picture of Tacrolimus Ring-Opening Impurity
CAT No: SZ-T005007
CAS No: 1393890-33-9
Mol.F. : C44H69NO12
Mol.Wt. : 804.0
Inv. Status: Custom Synthesis
SZ-T005007
CAS No:1393890-33-9
Mol.F.: C44H69NO12
Mol.Wt.: 804.0
Inv. Status: Custom Synthesis

Tacrolimus EP Impurity G

Picture of Tacrolimus EP Impurity G
CAT No: SZ-T005008
CAS No: 144490-63-1
Mol.F. : C44H69NO12
Mol.Wt. : 804.0
Inv. Status: Under Synthesis
SZ-T005008
CAS No:144490-63-1
Mol.F.: C44H69NO12
Mol.Wt.: 804.0
Inv. Status: Under Synthesis

Desmethyl Tacrolimus (USP)

Picture of Desmethyl Tacrolimus (USP)
CAT No: SZ-T005009
CAS No: 132172-14-6
Mol.F. : C43H67NO12
Mol.Wt. : 790.0
Inv. Status: Discontinue
SZ-T005009
CAS No:132172-14-6
Mol.F.: C43H67NO12
Mol.Wt.: 790.0
Inv. Status: Discontinue

Tacrolimus 21-Carboxylic Acid Impurity

Picture of Tacrolimus 21-Carboxylic Acid Impurity
CAT No: SZ-T005010
CAS No: NA
Mol.F. : C44H71NO13
Mol.Wt. : 822.1
Inv. Status: Under Synthesis
SZ-T005010
CAS No:NA
Mol.F.: C44H71NO13
Mol.Wt.: 822.1
Inv. Status: Under Synthesis

Tacrolimus Open Ring Impurity (USP)

Picture of Tacrolimus Open Ring Impurity (USP)
CAT No: SZ-T005011
CAS No: 144432-23-5
Mol.F. : C44H71NO13
Mol.Wt. : 822.0
Inv. Status: Discontinue
SZ-T005011
CAS No:144432-23-5
Mol.F.: C44H71NO13
Mol.Wt.: 822.0
Inv. Status: Discontinue

Tacrolimus Dehydro Impurity

Picture of Tacrolimus Dehydro Impurity
CAT No: SZ-T005013
CAS No: 129212-37-9
Mol.F. : C44H67NO11
Mol.Wt. : 786.0
Inv. Status: In Stock
SZ-T005013
CAS No:129212-37-9
Mol.F.: C44H67NO11
Mol.Wt.: 786.0
Inv. Status: In Stock

Tacrolimus Methyl Acryl Aldehyde Impurity

Picture of Tacrolimus Methyl Acryl Aldehyde Impurity
CAT No: SZ-T005014
CAS No: 109466-74-2
Mol.F. : C11H18O3
Mol.Wt. : 198.3
Inv. Status: In Stock
SZ-T005014
CAS No:109466-74-2
Mol.F.: C11H18O3
Mol.Wt.: 198.3
Inv. Status: In Stock

Tacrolimus Impurity 1

Picture of Tacrolimus Impurity 1
CAT No: SZ-T005015
CAS No: NA
Mol.F. : C43H69NO11
Mol.Wt. : 776.0
Inv. Status: In Stock
SZ-T005015
CAS No:NA
Mol.F.: C43H69NO11
Mol.Wt.: 776.0
Inv. Status: In Stock

Tacrolimus Impurity I

Picture of Tacrolimus Impurity I
CAT No: SZ-T005016
CAS No: 135821-69-1
Mol.F. : C44H71NO12
Mol.Wt. : 806.0
Inv. Status: Custom Synthesis
SZ-T005016
CAS No:135821-69-1
Mol.F.: C44H71NO12
Mol.Wt.: 806.0
Inv. Status: Custom Synthesis

Tacrolimus Impurity X

Picture of Tacrolimus Impurity X
CAT No: SZ-T005023
CAS No: 127285-26-1
Mol.F. : C11H18O3
Mol.Wt. : 198.3
Inv. Status: Custom Synthesis
SZ-T005023
CAS No:127285-26-1
Mol.F.: C11H18O3
Mol.Wt.: 198.3
Inv. Status: Custom Synthesis

Tacrolimus EP Impurity A

Picture of Tacrolimus EP Impurity A
CAT No: SZ-T005026
CAS No: 104987-12-4
Mol.F. : C43H69NO12
Mol.Wt. : 792.0
Inv. Status: Custom Synthesis
Rel. CAT No : SZ-A033001 ,
SZ-T005026
CAS No:104987-12-4
Mol.F.: C43H69NO12
Mol.Wt.: 792.0
Inv. Status: Custom Synthesis

Tacrolimus EP Impurity B

Picture of Tacrolimus EP Impurity B
CAT No: SZ-T005027
CAS No: NA
Mol.F. : C43H69NO12
Mol.Wt. : 792.0
Inv. Status: Custom Synthesis
SZ-T005027
CAS No:NA
Mol.F.: C43H69NO12
Mol.Wt.: 792.0
Inv. Status: Custom Synthesis

Tacrolimus EP Impurity C

Picture of Tacrolimus EP Impurity C
CAT No: SZ-T005028
CAS No: NA
Mol.F. : C43H67NO12
Mol.Wt. : 790.0
Inv. Status: Custom Synthesis
SZ-T005028
CAS No:NA
Mol.F.: C43H67NO12
Mol.Wt.: 790.0
Inv. Status: Custom Synthesis

Tacrolimus EP Impurity F

Picture of Tacrolimus EP Impurity F
CAT No: SZ-T005029
CAS No: NA
Mol.F. : C43H67NO12
Mol.Wt. : 790.0
Inv. Status: Custom Synthesis
SZ-T005029
CAS No:NA
Mol.F.: C43H67NO12
Mol.Wt.: 790.0
Inv. Status: Custom Synthesis

Tacrolimus EP Impurity H

Picture of Tacrolimus EP Impurity H
CAT No: SZ-T005030
CAS No: 143210-33-7
Mol.F. : C43H69NO11
Mol.Wt. : 776.0
Inv. Status: In Stock
SZ-T005030
CAS No:143210-33-7
Mol.F.: C43H69NO11
Mol.Wt.: 776.0
Inv. Status: In Stock

Tacrolimus Impurity XVI

Picture of Tacrolimus Impurity XVI
CAT No: SZ-T005031
CAS No: NA
Mol.F. : C44H71NO13
Mol.Wt. : 822.0
Inv. Status: Custom Synthesis
SZ-T005031
CAS No:NA
Mol.F.: C44H71NO13
Mol.Wt.: 822.0
Inv. Status: Custom Synthesis

Tacrolimus Impurity 3

Picture of Tacrolimus Impurity 3
CAT No: SZ-T005034
CAS No: NA
Mol.F. : C44H69NO12
Mol.Wt. : 804.0
Inv. Status: Custom Synthesis
SZ-T005034
CAS No:NA
Mol.F.: C44H69NO12
Mol.Wt.: 804.0
Inv. Status: Custom Synthesis

Tacrolimus Impurity 4

Picture of Tacrolimus Impurity 4
CAT No: SZ-T005035
CAS No: NA
Mol.F. : C43H65NO12
Mol.Wt. : 788.0
Inv. Status: Custom Synthesis
SZ-T005035
CAS No:NA
Mol.F.: C43H65NO12
Mol.Wt.: 788.0
Inv. Status: Custom Synthesis

Tacrolimus Impurity VII

Picture of Tacrolimus Impurity VII
CAT No: SZ-T005037
CAS No: NA
Mol.F. : C44H69NO12
Mol.Wt. : 804.0
Inv. Status: Custom Synthesis
SZ-T005037
CAS No:NA
Mol.F.: C44H69NO12
Mol.Wt.: 804.0
Inv. Status: Custom Synthesis

Tacrolimus Impurity 6

Picture of Tacrolimus Impurity 6
CAT No: SZ-T005040
CAS No: NA
Mol.F. : C44H69NO12
Mol.Wt. : 804.0
Inv. Status: Custom Synthesis
SZ-T005040
CAS No:NA
Mol.F.: C44H69NO12
Mol.Wt.: 804.0
Inv. Status: Custom Synthesis

Tacrolimus Impurity 7

Picture of Tacrolimus Impurity 7
CAT No: SZ-T005041
CAS No: NA
Mol.F. : C44H69NO12
Mol.Wt. : 804.0
Inv. Status: Custom Synthesis
SZ-T005041
CAS No:NA
Mol.F.: C44H69NO12
Mol.Wt.: 804.0
Inv. Status: Custom Synthesis

Tacrolimus

Picture of Tacrolimus
CAT No: SZ-T005042
CAS No: 104987-11-3
Mol.F. : C44H69NO12
Mol.Wt. : 804.0
Inv. Status: Custom Synthesis
Rel. CAS No : 109581-93-3 (Hydrate)
SZ-T005042
CAS No:104987-11-3
Mol.F.: C44H69NO12
Mol.Wt.: 804.0
Inv. Status: Custom Synthesis
Rel. CAS No : 109581-93-3 (Hydrate)

Tacrolimus Impurity 8

Picture of Tacrolimus Impurity 8
CAT No: SZ-T005044
CAS No: NA
Mol.F. : C46H75NO14
Mol.Wt. : 866.1
Inv. Status: Custom Synthesis
SZ-T005044
CAS No:NA
Mol.F.: C46H75NO14
Mol.Wt.: 866.1
Inv. Status: Custom Synthesis

Tacrolimus Lactone Isomer

Picture of Tacrolimus Lactone Isomer
CAT No: SZ-T005045
CAS No: 134590-88-8
Mol.F. : C44H69NO12
Mol.Wt. : 804.0
Inv. Status: Custom Synthesis
SZ-T005045
CAS No:134590-88-8
Mol.F.: C44H69NO12
Mol.Wt.: 804.0
Inv. Status: Custom Synthesis

Tacrolimus C4-epimer Diene

Picture of Tacrolimus C4-epimer Diene
CAT No: SZ-T005046
CAS No: NA
Mol.F. : C44H67NO11
Mol.Wt. : 786.0
Inv. Status: Under Synthesis
SZ-T005046
CAS No:NA
Mol.F.: C44H67NO11
Mol.Wt.: 786.0
Inv. Status: Under Synthesis

Tacrolimus Impurity 9

Picture of Tacrolimus Impurity 9
CAT No: SZ-T005047
CAS No: NA
Mol.F. : C45H73NO13
Mol.Wt. : 836.1
Inv. Status: Custom Synthesis
SZ-T005047
CAS No:NA
Mol.F.: C45H73NO13
Mol.Wt.: 836.1
Inv. Status: Custom Synthesis

Tacrolimus Impurity 10

Picture of Tacrolimus Impurity 10
CAT No: SZ-T005048
CAS No: 157141-17-8
Mol.F. : C42H65NO12
Mol.Wt. : 776.0
Inv. Status: Custom Synthesis
SZ-T005048
CAS No:157141-17-8
Mol.F.: C42H65NO12
Mol.Wt.: 776.0
Inv. Status: Custom Synthesis

Tacrolimus Impurity 11

Picture of Tacrolimus Impurity 11
CAT No: SZ-T005049
CAS No: 212050-30-1
Mol.F. : C42H65NO12
Mol.Wt. : 776.0
Inv. Status: Custom Synthesis
SZ-T005049
CAS No:212050-30-1
Mol.F.: C42H65NO12
Mol.Wt.: 776.0
Inv. Status: Custom Synthesis

Tacrolimus Impurity 12

Picture of Tacrolimus Impurity 12
CAT No: SZ-T005050
CAS No: 160892-64-8
Mol.F. : C43H67NO14
Mol.Wt. : 822.0
Inv. Status: Custom Synthesis
SZ-T005050
CAS No:160892-64-8
Mol.F.: C43H67NO14
Mol.Wt.: 822.0
Inv. Status: Custom Synthesis

13-O-Desmethyl tacrolimus

Picture of 13-O-Desmethyl tacrolimus
CAT No: SZ-T005051
CAS No: 139958-51-3
Mol.F. : C43H67NO12
Mol.Wt. : 790.0
Inv. Status: Custom Synthesis
SZ-T005051
CAS No:139958-51-3
Mol.F.: C43H67NO12
Mol.Wt.: 790.0
Inv. Status: Custom Synthesis

Stable Isotopes and Metabolites

Tacrolimus-13C,D2

Picture of Tacrolimus-13C,D2
CAT No: SZ-T005D01
CAS No: 1356841-89-8
Mol.F. : C4313CH67D2NO12
Mol.Wt. : 807.0
Inv. Status: Custom Synthesis
SZ-T005D01
CAS No:1356841-89-8
Mol.F.: C4313CH67D2NO12
Mol.Wt.: 807.0
Inv. Status: Custom Synthesis

Tacrolimus-13C,D4

Picture of Tacrolimus-13C,D4
CAT No: SZ-T005D02
CAS No: NA
Mol.F. : C4313CH65D4NO12
Mol.Wt. : 809.0
Inv. Status: Custom Synthesis
SZ-T005D02
CAS No:NA
Mol.F.: C4313CH65D4NO12
Mol.Wt.: 809.0
Inv. Status: Custom Synthesis