Darifenacin Related Products


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

Darifenacin-related products are thoroughly characterized. Darifenacin 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.

1-Tosyl-(3R)-Tosyloxy Pyrrolidine

SZ CAT No:: SZ-D004032
CAS No: 133034-02-3
Mol.F.: C18H21NO5S2 
Mol.Wt.: 395.5
Inv. Status: In Stock

1-Tosyl-(3S)-Hydroxy Pyrrolidine

SZ CAT No:: SZ-D004031
CAS No: 133034-00-1
Mol.F.: C11H15NO3S 
Mol.Wt.: 241.3
Inv. Status: In Stock

2,3-Dihydro-5-Vinylbenzofuran

SZ CAT No:: SZ-D004025
CAS No: 633335-97-4
Mol.F.: C10H10O
Mol.Wt.: 146.2
Inv. Status: In Stock

Darifenacin 2,3-Dehydro Bromo Impurity

SZ CAT No:: SZ-D004015
CAS No: 133034-06-7
Mol.F.: C10H9BrO 
Mol.Wt.: 225.1
Inv. Status: In Stock

Darifenacin 5-Carboxymethyl Impurity

SZ CAT No:: SZ-D004006
CAS No: 69999-16-2
Mol.F.: C10H10O3
Mol.Wt.: 178.2
Inv. Status: In Stock

Darifenacin 7-Bromo Analog 

SZ CAT No:: SZ-D004017
CAS No: 1391080-43-5
Mol.F.: C28H29BrN2O2
Mol.Wt.: 505.5
Inv. Status: In Stock

Darifenacin 7-Bromoethyl Impurity 

SZ CAT No:: SZ-D004018
CAS No: 1598271-92-1
Mol.F.: C10H11BrO 
Mol.Wt.: 227.1
Inv. Status: In Stock

Darifenacin Bromo Impurity

SZ CAT No:: SZ-D004005
CAS No: 127264-14-6
Mol.F.: C10H11BrO
Mol.Wt.: 227.1
Inv. Status: In Stock

Darifenacin Cyano Pyrrolidine Impurity

SZ CAT No:: SZ-D004007
CAS No: 871505-23-6
Mol.F.: C18H18N2 : HCl
Mol.Wt.: 262.4 : 36.5
Inv. Status: In Stock

Darifenacin Cyano t-BOC Impurity

SZ CAT No:: SZ-D004014
CAS No: 1159977-31-7
Mol.F.: C23H26N2O2
Mol.Wt.: 362.5
Inv. Status: In Stock

Darifenacin Dimer-2 Impurity

SZ CAT No:: SZ-D004011
CAS No: 2280857-32-9
Mol.F.: C38H40N2O3
Mol.Wt.: 572.7
Inv. Status: In Stock

Darifenacin Hydrobromide

SZ CAT No:: SZ-D004001
CAS No: 133099-07-7
Mol.F.: C28H30N2O2 : HBr
Mol.Wt.: 426.6 : 80.9
Inv. Status: In Stock

Darifenacin Impurity 1

SZ CAT No:: SZ-D004033
CAS No: 133099-09-9
Mol.F.: C25H24N2O2S 
Mol.Wt.: 416.6
Inv. Status: In Stock

Darifenacin Impurity 10 (Tartrate salt)

SZ CAT No:: SZ-D004047
CAS No: 1092540-94-7
Mol.F.: C18H20N2O : C4H6O6
Mol.Wt.: 280.4 : 150.1
Inv. Status: In Stock

Darifenacin Impurity 11

SZ CAT No:: SZ-D004048
CAS No: 1048979-15-2
Mol.F.: C27H29NO
Mol.Wt.: 383.5
Inv. Status: In Stock

Darifenacin Impurity 11

SZ CAT No:: SZ-D004068
CAS No: 1229355-35-4
Mol.F.: C18H18N2 : HBr
Mol.Wt.: 262.4 : 80.9
Inv. Status: In Stock

Darifenacin Impurity 12

SZ CAT No:: SZ-D004049
CAS No: NA
Mol.F.: C27H29NO
Mol.Wt.: 383.5
Inv. Status: In Stock

Darifenacin Impurity 3

SZ CAT No:: SZ-D004037
CAS No: 86-29-3
Mol.F.: C14H11N 
Mol.Wt.: 193.3
Inv. Status: In Stock

Darifenacin Impurity 6

SZ CAT No:: SZ-D004039
CAS No: 133034-07-8
Mol.F.: C28H28N2O3 
Mol.Wt.: 440.6
Inv. Status: In Stock

Darifenacin Impurity 8

SZ CAT No:: SZ-D004044
CAS No: 87776-76-9
Mol.F.: C10H12O2
Mol.Wt.: 164.2
Inv. Status: In Stock

Darifenacin Impurity 9

SZ CAT No:: SZ-D004046
CAS No: 142935-60-2
Mol.F.: C10H8O3
Mol.Wt.: 176.2
Inv. Status: In Stock

Darifenacin Impurity H

SZ CAT No:: SZ-D004028
CAS No: NA
Mol.F.: C47H50N4O3 
Mol.Wt.: 718.9
Inv. Status: In Stock

Darifenacin KSM-I A

SZ CAT No:: SZ-D004041
CAS No: 90843-31-5
Mol.F.: C10H10O2
Mol.Wt.: 162.2
Inv. Status: In Stock

Darifenacin Morpholine Amide Impurity

SZ CAT No:: SZ-D004035
CAS No: 97483-11-9
Mol.F.: C14H17NO2S 
Mol.Wt.: 263.4
Inv. Status: In Stock

Darifenacin Nitrile Impurity (HCl)

SZ CAT No:: SZ-D004012
CAS No: NA
Mol.F.: C28H28N2O : HCl
Mol.Wt.: 408.5 : 36.5
Inv. Status: In Stock

Darifenacin N-Oxide Impurity 

SZ CAT No:: SZ-D004020
CAS No: 1391080-40-2
Mol.F.: C28H30N2O3 
Mol.Wt.: 442.6
Inv. Status: In Stock

Darifenacin Oxidized Impurity

SZ CAT No:: SZ-D004026
CAS No: 133033-99-5
Mol.F.: C28H28N2O2
Mol.Wt.: 424.5
Inv. Status: In Stock

Darifenacin Pyrrolidine Impurity (S)-Isomer

SZ CAT No:: SZ-D004003
CAS No: 134002-26-9
Mol.F.: C18H20N2O : C4H6O6
Mol.Wt.: 280.4 : 150.1
Inv. Status: In Stock

Darifenacin Pyrrolidinium Dimer Impurity 

SZ CAT No:: SZ-D004022
CAS No: 1396968-57-2
Mol.F.: C38H41N2O3 : Br
Mol.Wt.: 573.8 : 79.9
Inv. Status: In Stock

Darifenacin Recemic Mixture

SZ CAT No:: SZ-D004054
CAS No: 133033-93-9
Mol.F.: C28H30N2O2
Mol.Wt.: 426.6
Inv. Status: In Stock

Darifenacin R-Isomer (HCl)

SZ CAT No:: SZ-D004002
CAS No: NA
Mol.F.: C28H30N2O2 : HCl
Mol.Wt.: 426.6 : 36.5
Inv. Status: In Stock

Darifenacin Vinyl Impurity (UK-201705)

SZ CAT No:: SZ-D004029
CAS No: 1048979-09-4
Mol.F.: C28H30N2O2 
Mol.Wt.: 426.6
Inv. Status: In Stock

Darifenacin 4-Hydroxy Impurity

SZ CAT No:: SZ-D004016
CAS No: 2468796-89-4
Mol.F.: C28H31BrN2O2
Mol.Wt.: 507.5
Inv. Status: Limited Stock

Darifenacin Carboxylic Acid Impurity

SZ CAT No:: SZ-D004019
CAS No: 1048979-16-3
Mol.F.: C28H29NO3
Mol.Wt.: 427.5
Inv. Status: Out of Stock, Custom Synthesis

Darifenacin Impurity B

SZ CAT No:: SZ-D004045
CAS No: 136081-60-2
Mol.F.: C11H14O4S
Mol.Wt.: 242.3
Inv. Status: Out of Stock

Darifenacin Impurity E

SZ CAT No:: SZ-D004027
CAS No: 1797983-04-0
Mol.F.: C38H40N2O3 
Mol.Wt.: 572.7
Inv. Status: Out of Stock

Darifenacin 3-Hydroxy Impurity

SZ CAT No:: SZ-D004004
CAS No: 206048-82-0
Mol.F.: C28H30N2O3
Mol.Wt.: 442.6
Inv. Status: Custom Synthesis

Darifenacin DBE Isomer

SZ CAT No:: SZ-D004008
CAS No: NA
Mol.F.: C28H30N2O2
Mol.Wt.: 426.6
Inv. Status: Custom Synthesis

Darifenacin Dimer-1 Impurity

SZ CAT No:: SZ-D004010
CAS No: NA
Mol.F.: C38H40N2O3
Mol.Wt.: 572.7
Inv. Status: Custom Synthesis

Darifenacin Hydrochloride

SZ CAT No:: SZ-D004036
CAS No: 586346-94-3
Mol.F.: C28H30N2O2 : HCl
Mol.Wt.: 426.6 : 36.5
Inv. Status: Custom Synthesis

Darifenacin Impurity (UK-156961)

SZ CAT No:: SZ-D004024
CAS No: 206048-83-1
Mol.F.: C28H32N2O3 
Mol.Wt.: 444.6
Inv. Status: Custom Synthesis

Darifenacin Impurity 12

SZ CAT No:: SZ-D004069
CAS No: NA
Mol.F.: C28H28N2O : HBr
Mol.Wt.: 408.5 : 80.9
Inv. Status: Custom Synthesis

Darifenacin Impurity 13

SZ CAT No:: SZ-D004052
CAS No: NA
Mol.F.: C46H46N4O4
Mol.Wt.: 718.9
Inv. Status: Custom Synthesis

Darifenacin Impurity 2

SZ CAT No:: SZ-D004034
CAS No: 133099-10-2
Mol.F.: C25H24N2O2S 
Mol.Wt.: 416.6
Inv. Status: Custom Synthesis

Darifenacin Impurity 5

SZ CAT No:: SZ-D004038
CAS No: NA
Mol.F.: C20H22O6S2 
Mol.Wt.: 422.5
Inv. Status: Custom Synthesis

Darifenacin Impurity 7

SZ CAT No:: SZ-D004040
CAS No: NA
Mol.F.: C19H22N2O 
Mol.Wt.: 294.4
Inv. Status: Custom Synthesis

Darifenacin KSM-II B Precursor

SZ CAT No:: SZ-D004042
CAS No: 133034-01-2
Mol.F.: C18H21NO5S2
Mol.Wt.: 395.5
Inv. Status: Custom Synthesis

Darifenacin KSM-II C Precursor

SZ CAT No:: SZ-D004043
CAS No: 943587-25-5
Mol.F.: C11H15NO3S
Mol.Wt.: 241.3
Inv. Status: Custom Synthesis

Darifenacin Pyrrolidin Carboxylic Acid Impurity

SZ CAT No:: SZ-D004021
CAS No: 1050646-75-7
Mol.F.: C18H19NO2 
Mol.Wt.: 281.4
Inv. Status: Custom Synthesis

Darifenacin Pyrrolidine Impurity Racemate

SZ CAT No:: SZ-D004013
CAS No: 103887-32-7
Mol.F.: C18H20N2O
Mol.Wt.: 280.4
Inv. Status: Custom Synthesis

Darifenacin Vinylbenzofuran Impurity 

SZ CAT No:: SZ-D004023
CAS No: 633335-98-5
Mol.F.: C10H8O 
Mol.Wt.: 144.2
Inv. Status: Custom Synthesis

Darifenacin D4

SZ CAT No:: SZ-D004D01
CAS No: 1095598-84-7
Mol.F.: C28H26D4N2O2
Mol.Wt.: 430.6
Inv. Status: Custom Synthesis

Darifenacin Cyano Pyrrolidine Nitroso Impurity

SZ CAT No:: SZ-D004071
CAS No: NA
Mol.F.: C18H17N3O
Mol.Wt.: 291.4
Inv. Status: In Stock

Darifenacin Amide Nitroso Impurity

SZ CAT No:: SZ-D004072
CAS No: NA
Mol.F.: C18H19N3O2
Mol.Wt.: 309.4
Inv. Status: Custom Synthesis

Darifenacin Nitroso Impurity 1

SZ CAT No:: SZ-D004070
CAS No: NA
Mol.F.: C18H19N3O2
Mol.Wt.: 309.4
Inv. Status: Custom Synthesis
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