Darifenacin Pyrrolidin Carboxylic Acid Impurity

CAS1050646-75-7
CatalogueRS-D034011
FormulaC18H19NO2
MW281.35

On this page

Chemical structure of Darifenacin Pyrrolidin Carboxylic Acid Impurity

Product identification

Product name	Darifenacin Pyrrolidin Carboxylic Acid Impurity
Catalogue No.	RS-D034011
CAS No.	1050646-75-7
Molecular formula	C18H19NO2
Molecular weight	281.35
Standard type	Impurity Reference Standards
Drug substance	Darifenacin
Intended use	For laboratory and research use only. Not for human or veterinary use.

Data source: clearsynth.com

What is stated on the certificate

Content and purity are assigned per lot and stated on the certificate of analysis issued for the batch you receive — they are not a catalogue-level figure. The certificate records the tests performed, the specification applied and the result obtained for that lot.

Fields recorded on the certificate of analysis
Field	Basis
Identity	Spectroscopic and chromatographic methods appropriate to the material
Purity	Chromatographic purity, area normalisation unless stated otherwise
Assay / content	Mass balance, corrected for the stated volatiles and residue
Catalogue and batch numbers	RS-D034011 / batch number on the certificate
Retest date	Printed on the certificate for the lot supplied

Frequently asked

What documentation is supplied with this lot?

A certificate of analysis (COA) is issued for the lot you receive. It records the catalogue number RS-D034011 and the batch number, the tests performed, the specification applied and the result obtained. A safety data sheet is supplied with the shipment.

Is the assigned value given on an “as is” basis?

Content and purity are stated per lot on the certificate of analysis, on an “as is” basis unless the certificate says otherwise. The analytical basis for the assigned value is stated on the certificate.

How should this material be stored?

Storage and shipping conditions are stated on the certificate of analysis for the lot you receive. Re-test before use beyond the retest date printed on the certificate.

Do you supply pack sizes other than those listed?

Pack sizes are confirmed with the quotation. Quantities beyond the standard pack sizes can be quoted — send the quantity you need with your enquiry.

Finding this standard

Buyers reach this compound by CAS number, by catalogue number, through the drug substance it belongs to, or through the type of standard it is. Those routes all start here:

Searching another way? Send the structure, a SMILES string or the pharmacopoeial name — a CAS number is not required for a non-compendial impurity. Write to sales@rssechem.com.

Other standards of Darifenacin

All 16 further standards are listed here — every link is in the page, not loaded later.

Darifenacin Impurity 1

CAS 1092800-15-1RS-D034001
COA per lot
Darifenacin Impurity 17

CAS 133034-00-1RS-D034003
COA per lot
Darifenacin Impurity 18

CAS 133034-01-2RS-D034012
COA per lot
Darifenacin Impurity 19

CAS 133099-09-9RS-D034005
COA per lot
Darifenacin Impurity 15

CAS 170456-83-4RS-D034013
COA per lot
Darifenacin Impurity 14

CAS 90843-31-5RS-P006145
COA per lot
Darifenacin Impurity 2

CAS 943034-52-4RS-D034015
COA per lot
Darifenacin Impurity 16

CAS 943587-25-5RS-D034016
COA per lot
Darifenacin Impurity 21

CAS 97483-11-9RS-D034010
COA per lot
Darifenacin Impurity 9

CAS 142935-60-2RS-D034007
COA per lot
Darifenacin EP Impurity E

CAS 1797983-04-0RS-D034008
COA per lot
Darifenacin Impurity 12 (UK-156961)

CAS 215032-24-9RS-D034009
COA per lot
rac Darifenacin-d4

CAS 1189701-43-6RS-D034002
COA per lot
(R)-Darifenacin

CAS 133099-05-5RS-D034004
COA per lot
7-Bromo Darifenacin

CAS 1391080-43-5RS-D034006
COA per lot
Darifenacin Hydrochloride

CAS 586346-94-3RS-D034014
COA per lot

Pharmacopoeial names (EP, USP, BP, JP) are used for identification purposes only and do not imply endorsement by those bodies. This product is supplied for laboratory and research use only — not for human or veterinary use.