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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Solifenacin, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Solifenacin impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Solifenacin-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Solifenacin Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1R,3S-)Solifenacin-d5 Hydrochloride Stable Isotopes CS-T-85328 1217810-85-9 Enquire
(1S,3′R)-Solifenacin-d7 HCl (quinuclidinyl-d7) Stable Isotopes CS-C-01303 180468-39-7(unlabelled) Enquire
(1S,3S-)Solifenacin Hydrochloride-d5 Stable Isotopes CS-T-97165 Not Available Enquire
4-Hydroxy Solifenacin-d5 Stable Isotopes CS-P-00318 Not Available Enquire
cis-Hydroxy Solifenacin-d5 N-Oxide (Mixture of Diastereomers... Stable Isotopes CS-T-97408 Not Available Enquire
Solifenacin D5 Stable Isotopes CS-O-10053 1401416-00-9 Enquire
Solifenacin-13C6 Succinate Stable Isotopes CS-O-10002 242478-38-2 (Unlabeled) Enquire
Solifenacin-d5 Hydrochloride Stable Isotopes CS-O-00696 1426174-05-1 In Stock
Solifenacin-d5 succinate Stable Isotopes CS-B-00376 1322879-99-1 Enquire
Solifenacin-d7 Hydrochloride Stable Isotopes CS-T-97166 Not Available Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Racemic Solifenacin Succinate API Standards CS-EO-04072 2518398-14-4 Enquire
Solifenacin API Standards CS-O-13688 242478-37-1 In Stock
Solifenacin Succinate API Standards CS-O-10001 242478-38-2 In Stock


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4R-Hydroxy Solifenacin Metabolites CS-O-06061 861998-77-8 Enquire
4R-Hydroxy Solifenacin N-Oxide Metabolites CS-O-08201 Not Available In Stock
Hydroxy Solifenacin Metabolites CS-O-06052 Not Available In Stock
Solifenacin N-oxide Metabolites CS-O-06044 180272-28-0 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1R,3S)-Solifenacin Hydrochloride Impurities CS-T-61384 180468-40-0 Enquire
(1S,3S)-Solifenacin Hydrochloride Impurities CS-T-61383 180468-38-6 Enquire
(R)-3-Quinuclidol Impurities CS-O-31623 25333-42-0 In Stock
Solifenacin ethyl impurity Impurities CS-O-44520 Not Available Enquire
Solifenacin EP Impurity A Impurities CS-T-39736 22990-19-8 In Stock
Solifenacin EP Impurity D Impurities CS-EO-00256 2216750-52-4 Enquire
Solifenacin EP Impurity G Impurities CS-O-14626 740780-79-4 In Stock
Solifenacin EP Impurity G Succinate Impurities CS-T-61382 862207-70-3 Enquire
Solifenacin EP Impurity H Impurities CS-O-14627 732228-02-3 In Stock
Solifenacin Hydrochloride Impurities CS-O-10000 180468-39-7 Enquire
Solifenacin Impurity Impurities CS-O-14495 1956436-64-8 Enquire
Solifenacin Impurity (4-Nitrophenyl (1S)-1-Phenyl-3-4-Dihidr... Impurities CS-O-14496 1229227-22-8 In Stock
Solifenacin Impurity 1 Impurities CS-O-14499 1243274-81-8 Enquire
Solifenacin Impurity B Impurities CS-T-63096 1353274-25-5 In Stock
Solifenacin Impurity C Impurities CS-O-14498 1534326-81-2 In Stock
Solifenacin Impurity D Impurities CS-O-14497 2216750-52-4 In Stock
Solifenacin Related Compound 24 Impurities CS-P-02237 1682642-69-8 Enquire
Solifenacin Related Compound 7 Impurities CS-O-14500 Not Available Enquire
Solifenacin Succinate - Impurity F (Succinate Salt) Impurities CS-O-38616 1262506-09-1 Enquire
Solifenacin Succinate EP Impurity F Impurities CS-O-14625 774517-20-3 In Stock
solifenacin succinate n-oxide Impurities CS-O-33055 180272-28-0 (Freebase) Enquire


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Solifenacin for system suitability(Y0001743) EP Standards CS-EG-00730 242478-38-2 Enquire
Solifenacin succinate (Y0001763) EP Standards CS-EG-00740 242478-38-2 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"(1S,3’S)-Solifenacin Succinate" Intermediates CS-T-86089 862207-71-4 Enquire
(S)-1,2,3,4-Tetrahydro-1-phenylisoquinoline D-(-)-tartrate Intermediates CS-O-31742 869884-00-4 In Stock
Di-((3R)-1-Azabicyclo[2.2.2]oct-3-yl)carbonate Intermediates CS-O-54953 Not Available Enquire


Glucuronides

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Solifenacin N Glucuronide Glucuronides CS-O-30520 Not Available Enquire