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

Clozapine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Clozapine N-Oxide-d8 Stable Isotopes CS-T-95503 34233-69-7(Unlabelled) Enquire
N-Desmethyl 8-Chloro-5H-dibenzo[b,e][1,4]diazepine Clozapine... Stable Isotopes CS-T-101574 263366-81-0 (unlabeled) Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
11-(4-Methylpiperazin-1-yl)-5H-dibenzo[b,e][1,4]diazepine Impurity CS-O-36497 1977-07-7 In Stock
Clozapine n-oxide Impurity CS-LN-01273869 Not Available Enquire
Clozapine Resolution Mixture Impurity CS-O-40562 Not Available Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Clozapine-11-(methylthio)-intermediate Intermediate CS-O-48819 15980-84-4 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Methylpiperazine Fine Chemicals CS-T-58589 109-01-3 In Stock


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Clozapine Nitrosamine CS-O-38912 156632-03-0 In Stock
N-Nitroso Clozapine impurity A Nitrosamine CS-O-47155 90353-66-5 In Stock
N-Nitroso Clozapine impurity D Nitrosamine CS-O-47156 Not Available Enquire
N-Nitroso Clozapine (mixture of isomers) Nitrosamine CS-O-38250 156632-03-0 In Stock


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Clozapine Secondary Standards CS-SS-26202-200MG 5786-21-0 Enquire


Analytical Standard

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Clozapine Analytical Standard CS-O-38912-10MG 156632-03-0 Enquire
N-nitroso-clozapine-100 PPM in Acetonitrile Analytical Standard CS-O-38912-1.5ML 156632-03-0 Enquire