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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
(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
cis-Hydroxy Solifenacin-d5 N-Oxide (Mixture of Diastereomers... Stable Isotopes CS-T-97408 Not Available 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
(1R,3S-)Solifenacin-d5 Hydrochloride Stable Isotopes CS-T-85328 1217810-85-9 Enquire
4-Hydroxy Solifenacin-d5 Stable Isotopes CS-P-00318 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


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Racemic Solifenacin Succinate API CS-EO-04072 2518398-14-4 Enquire
Rac-Solifenacin API CS-O-51222 180272-14-4 Enquire
Solifenacin API CS-O-13688 242478-37-1 In Stock
Solifenacin Succinate API CS-O-10001 242478-38-2 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Hydroxy Solifenacin N-Oxide Metabolite CS-O-08201 ---- In Stock
4R-Hydroxy Solifenacin Metabolite CS-O-06061 861998-77-8 Enquire
Hydroxy Solifenacin Metabolite CS-O-06052 ---- In Stock
Solifenacin N-oxide Metabolite CS-O-06044 180272-28-0 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-3-Quinuclidol Impurity CS-O-31623 25333-42-0 In Stock
Solifenacin ethyl impurity Impurity CS-O-44520 Not Available Enquire
Solifenacin EP Impurity A Impurity CS-T-39736 22990-19-8 In Stock
Solifenacin EP Impurity G Impurity CS-O-14626 740780-79-4 In Stock
Solifenacin EP Impurity H Impurity CS-O-14627 732228-02-3 In Stock
Solifenacin Impurity (4-Nitrophenyl (1S)-1-Phenyl-3-4-Dihidr... Impurity CS-O-14496 1229227-22-8 In Stock
Solifenacin Impurity B Impurity CS-T-63096 1353274-25-5 In Stock
Solifenacin Impurity C Impurity CS-O-14498 1534326-81-2 In Stock
Solifenacin Impurity D Impurity CS-O-14497 2216750-52-4 In Stock
Solifenacin Succinate EP Impurity F Impurity CS-O-14625 774517-20-3 In Stock
(1R,3S)-Solifenacin Hydrochloride Impurity CS-T-61384 180468-40-0 Enquire
(1R,3S,4R)-quinuclidin-3-yl 2-benzoylphenethylcarbamate Impurity CS-O-35013 Not Available Enquire
(1S,3S)-Solifenacin Hydrochloride Impurity CS-T-61383 180468-38-6 Enquire
(R)-N-(((R)-1,2,3,4-tetrahydronaphthalen-1-yl)methyl)quinucl... Impurity CS-O-42216 2407763-17-9 (freebase) Enquire
(R)-Quinuclidin-3-yl (S)-1-hydroxy-1-phenyl-3,4-dihydroisoqu... Impurity CS-T-94303 Not Available Enquire
1-Azabicyclo[2.2.2]octan-3-one Impurity CS-M-51767 3731-38-2 Enquire
quinuclidin-3-yl-1-hydroxy-1-phenyl-3,4-dihydroisoquinoline-... Impurity CS-O-40893 Not Available Enquire
Solifenacin EP Impurity D Impurity CS-EO-00256 2216750-52-4 Enquire
Solifenacin Hydrochloride Impurity CS-O-10000 180468-39-7 Enquire
Solifenacin Impurity Impurity CS-O-14495 1956436-64-8 Enquire
Solifenacin Impurity 1 Impurity CS-O-14499 1243274-81-8 Enquire
Solifenacin Related Compound 24 Impurity CS-P-02237 1682642-69-8 Enquire
Solifenacin Related Compound 7 Impurity CS-O-14500 Not Available Enquire
solifenacin succinate n-oxide Impurity CS-O-33055 180272-28-0 (Freebase) Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1S,3’S)-Solifenacin Succinate Intermediate CS-T-86089 862207-71-4 Enquire
(R)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline Intermediate CS-T-39737 180272-45-1 In Stock
(S)-1,2,3,4-Tetrahydro-1-phenylisoquinoline D-(-)-tartrate Intermediate CS-O-31742 869884-00-4 In Stock
Di-((3R)-1-Azabicyclo[2.2.2]oct-3-yl)carbonate Intermediate CS-O-54953 ---- Enquire
Ethyl (S)-1-Phenyl-1,2,3,4-tetrahydroisoquinoline-2-carboxyl... Intermediate CS-T-22083 180468-42-2 In Stock


Glucuronide

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


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Dimethyl Carbonate Fine Chemicals CS-T-52950 616-38-6 Enquire
N-Phenethylbenzamide Fine Chemicals CS-T-39219 3278-14-6 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Solifenacin EP Impurity A Nitroso Impurity Nitrosamine CS-O-41225 2659259-64-8 In Stock


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-(-)-3-Hydroxyquinuclidine hydrochloride Chiral CS-O-31622 42437-96-7 Enquire


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Solifenacin for System Suitability Containing Solifenacin Im... EP Standards CS-EG-03307 Not Available Enquire