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

Cyproheptadine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cyproheptadine Hydrochloride-d3 Stable Isotopes CS-T-94856 969-33-5 (unlabled) Enquire
Cyproheptadine-d3 Stable Isotopes CS-CX-00774 2712455-05-3 In Stock


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cyproheptadine hydrochloride API CS-O-15509 969-33-5 In Stock
Cyproheptadine Hydrochloride Sesquihydrate API CS-O-52241 41354-29-4 Enquire
cyproheptadine API CS-O-30548 129-03-3 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cyproheptadine EP Impurity C (HCl) Impurity CS-EO-03455 4046-24-6 Enquire
Cyproheptadine Related Compound C Impurity CS-K-00033 3967-32-6 In Stock
Cyproheptadine Impurity 1 Impurity CS-P-00916 54191-04-7 Enquire
Cyproheptadine Impurity 2 Impurity CS-P-01258 Not Available Enquire
Cyproheptadine N-Oxide Impurity CS-T-73229 100295-63-4 Enquire
Cyproheptadine Related Compound A Impurity CS-P-07394 265-81-5 Enquire
N-Desmethyl Cyproheptadine Impurity CS-T-88933 14051-46-8 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cyproheptadine Hydrochloride Secondary Standards CS-SS-25479-500MG 41354-29-4 Enquire
Cyproheptadine Related Compound A Secondary Standards CS-SS-25480-50MG 256-81-5 Enquire
Cyproheptadine Related Compound C Secondary Standards CS-SS-25481 3967-32-6 Enquire