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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
(R)-9-Hydroxy Risperidone-d4 Stable Isotopes CS-T-101261 Not Available Enquire
(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 - Enquire
De(6-Fluoro-3-(piperidin-4-yl)benzo[d]isoxazole) 9-Hydroxy-1... Stable Isotopes CS-T-101619 Not Available Enquire
(R)-9-Hydroxyrisperidone D5 Stable Isotopes CS-EO-02576 Not Available Enquire
Risperidone D6 Stable Isotopes CS-F-00152 106266-06-2 Enquire


Metabolite

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


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(4-((2,4-difluorophenyl)(hydroxyimino)methyl) piperidin-1-... Impurity CS-O-44853 Not Available Enquire
2,4-Difluoro phenyl (4-Piperidinyl)Methanone Oxime Hydrochlo... Impurity CS-O-10586 135634-18-3 In Stock
4-(2,4-difluorobenzoyl)piperidine-1-carbaldehyde Impurity CS-ED-41684 84162-80-1 Enquire
Bicyclo risperidone iodide Impurity CS-O-43775 2231638-02-9 Enquire
cis-Risperidone N-Oxide Hydrate Impurity 1 Impurity CS-O-54304 --- Enquire
Risperidone Des fluoro EP Impurity F Impurity CS-O-53892 ---- Enquire
Risperidone E-Oxime Impurity Impurity CS-O-58918 691007-09-7 Enquire
Risperidone Hydroxyethyl Impurity Impurity CS-EO-03024 66698-27-9 Enquire
Risperidone Impurity 2 Impurity CS-O-37242 2985481-41-0 Enquire
Risperidone impurity acetic acid derivative Impurity CS-O-40327 ---- Enquire
Risperidone Impurity Adduct Impurity CS-O-53891 ---- Enquire
Risperidone Oxime (E and Z mixture) Impurity CS-O-47452 158697-66-6 Enquire
Risperidone Trans N-Oxide Impurity CS-EO-00177 1200448-51-6 In Stock
Risperidone USP Related Compound G HCl salt Impurity CS-T-54841 152542-00-2 In Stock
3-(2-(4-(4-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)... Impurity CS-O-35638 Not Available Enquire
3-(2-(4-(7-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)... Impurity CS-O-35639 Not Available Enquire
3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-... Impurity CS-T-72715 1797131-18-0 Enquire
3-[2-[4-(6-Fluoro-2-benzoxazolyl)-1-piperidinyl]ethyl]-6,7,8... Impurity CS-T-76201 1005191-81-0 Enquire
3-Ethyl-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidi... Impurity CS-T-22119 70381-58-7 Enquire
3-Vinyl-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidi... Impurity CS-T-46465 832747-59-8 Enquire
4-fluoro-3-(piperidin-4-yl)benzo[d]isoxazole Impurity CS-ED-00977 95742-20-4 Enquire
Bicyclo Risperidone Chloride impurity Impurity CS-O-37391 Not Available Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Risperidone Impurity 1 Nitrosamine CS-EO-02711 ---- In Stock
N-Nitroso Risperidone Impurity 2 (Mixture of Isomers) Nitrosamine CS-EO-02712 ---- In Stock


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Risperidone Secondary Standards CS-SS-24598-500MG 106266-06-2 Enquire