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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Risperidone, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Risperidone 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 Risperidone-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.

Risperidone Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-9-Hydroxy Risperidone-(O-chroman-2-carboxylate)-d4 Stable Isotopes CS-T-100171 Not Available Enquire
(S)-9-Hydroxy Risperidone-d4 Stable Isotopes CS-T-101260 Not Available Enquire
De(6-Fluoro-3-(piperidin-4-yl)benzo[d]isoxazole) 9-Hydroxy-1... Stable Isotopes CS-T-101619 Not Available Enquire
Risperidone D6 Stable Isotopes CS-F-00152 106266-06-2 Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Paliperidone API Standards CS-O-02070 144598-75-4 In Stock
Risperidone API Standards CS-O-02221 106266-06-2 In Stock


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
cis-Risperidone N-Oxide Hydrate Metabolites CS-O-45063 1894509-67-1 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(4-((2,4-difluorophenyl)(hydroxyimino)methyl) piperidin-1-... Impurities CS-O-44853 Not Available Enquire
2,4-Difluoro phenyl (4-Piperidinyl)Methanone Oxime Hydrochlo... Impurities CS-O-10586 135634-18-3 In Stock
3-(2-(4-(4-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)... Impurities CS-O-35638 Not Available Enquire
3-(2-(4-(7-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)... Impurities CS-O-35639 Not Available Enquire
4-(2,4-difluorobenzoyl)piperidine-1-carbaldehyde Impurities CS-ED-41684 84162-80-1 Enquire
4-fluoro-3-(piperidin-4-yl)benzo[d]isoxazole Impurities CS-ED-00977 95742-20-4 Enquire
Bicyclo Risperidone Chloride impurity Impurities CS-O-37391 Not Available Enquire
Bicyclo risperidone iodide Impurities CS-O-43775 2231638-02-9 Enquire
cis-Risperidone N-Oxide Impurities CS-P-08300 1894509-66-0 In Stock
cis-Risperidone N-Oxide Hydrate Impurity 1 Impurities CS-O-54304 Not Available Enquire
N-Nitroso Risperidone Impurity 1 Impurities CS-EO-02711 Not Available In Stock
N-Nitroso Risperidone Impurity 2 (Mixture of Isomers) Impurities CS-EO-02712 Not Available In Stock
Risperidone E-Oxime Impurity Impurities CS-O-58918 691007-09-7 Enquire
Risperidone EP Impurity A Impurities CS-T-41864 691007-09-7 In Stock
Risperidone EP Impurity F Impurities CS-O-15315 1346603-86-8 In Stock
Risperidone EP Impurity H Impurities CS-T-18345 158697-67-7 In Stock
Risperidone Hydroxyethyl Impurity Impurities CS-EO-03024 66698-27-9 Enquire
Risperidone impurity acetic acid derivative Impurities CS-O-40327 Not Available Enquire
Risperidone Oxime (E and Z mixture) Impurities CS-O-47452 158697-66-6 Enquire
Risperidone Trans N-Oxide Impurities CS-EO-00177 1200448-51-6 In Stock
Risperidone USP Related Compound G HCl salt Impurities CS-T-54841 152542-00-2 In Stock


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Risperidone (R1000600) EP Standards CS-EG-01753 106266-06-2 Enquire
Risperidone for system suitability (Y0000370) EP Standards CS-EG-02270 106266-06-2 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-(2-Chloroethyl)-2-Methyl-6,7,8,9-Tetrahydro-4H-Pyrido-[1,2... Intermediates CS-O-31450 63234-80-0 Enquire
6-Fluoro-3-(4-Piperidinyl)-1,2-Benzisoxazole Hydrochloride Intermediates CS-O-31452 84163-13-3 Enquire