(3S)-1-Tosyl-,-diphenyl-3-pyrrolidineacetonitrile
- CAS
- 133099-09-9
- Formula
- C25H24N2O2S
- MW
- 416.5 g/mol
VQ-036561
Impurity reference standards
Darifenacin impurities & reference standards
Characterised Darifenacin impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.
45reference materials
1nitrosamine impurities
2isotope-labelled
COAHPLC · NMR · MS on request
(R)-2,2-Diphenyl-2-(pyrrolidin-3-yl)acetamide 2,3-dihydroxysuccinate
- CAS
- 1092540-94-7
- Formula
- C22H26N2O7
- MW
- 430.5 g/mol
VQ-030060
(S)-2-(1-(2-(2,3-Dihydrobenzofuran-5-yl)-2-oxoethyl)pyrrolidin-3-yl)-2,2-diphenylacetamide
- CAS
- 133034-07-8
- Formula
- C28H28N2O3
- MW
- 440.5 g/mol
VQ-034820
(S)-2,2-Diphenyl-2-(pyrrolidin-3-yl)acetonitrile hydrobromide
- CAS
- 194602-27-2
- Formula
- C18H19BrN2
- MW
- 343.3 g/mol
VQ-036556
(S)-3-Benzhydryl-1-(2-(2,3-dihydrobenzofuran-5-yl)ethyl)pyrrolidine
- CAS
- 1048979-15-2
- Formula
- C27H29NO
- MW
- 383.54 g/mol
VQ-036562
2,3-Dihydro-5-benzofuranethanol Methanesulfonate
- CAS
- 136081-60-2
- Formula
- C11H14O4S
- MW
- 242.29 g/mol
VQ-043955
3-(2-Amino-2-oxo-1,1-diphenylethyl)-1-(2-(2,3-dihydrobenzofuran-5-yl)ethyl)pyrrolidine 1-oxide
- CAS
- 2416229-88-2
- Formula
- C28H30N2O3
- MW
- 442.5 g/mol
VQ-047951
3-Hydroxy Darifenacin (Mixture of Diastereomers)
- CAS
- 1285875-62-8
- Formula
- C28H30N2O3
- MW
- 442.5 g/mol
VQ-047948
Darifenacin Pyrrolidin Carboxylic Acid Impurity
- CAS
- 1050646-75-7
- Formula
- C18H19NO2
- MW
- 281.3 g/mol
VQ-043724
FAQs — Darifenacin impurities
Which Darifenacin impurities do you supply?
We list 45 Darifenacin-related reference materials, including process impurities, degradation products, nitrosamine impurities, stable-isotope-labelled standards and related compounds. Each is supplied with a COA, and characterisation data (HPLC, 1H-NMR, MS, IR) can be provided on request.
What are Darifenacin impurity standards used for?
They are used for analytical method development and validation, impurity identification and quantification, forced-degradation and stability studies, and to support ANDA, DMF and other regulatory submissions under ICH Q3A/Q3B (and ICH M7 for mutagenic impurities).
Can you synthesise a Darifenacin impurity that is not listed?
Yes. Our custom synthesis service can prepare and characterise unlisted impurities, metabolites and labelled analogues from milligram to gram scale. Share the structure or name and required quantity for a quotation.
Request Darifenacin impurity standards
We reply within one business day with price, pack options, lead time and documentation.