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

Quinapril Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso Quinapril-d5 Stable Isotopes CS-O-42273 Not Available Enquire
Quinapril-d5 Benzyl Ester Stable Isotopes CS-T-102094 Not Available Enquire
Quinapril-d5 Hydrochloride Stable Isotopes CS-O-10074 1356020-03-5 In Stock


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Quinapril Hydrochloride API CS-O-10225 82586-55-8 In Stock
Quinapril API CS-ZG-21243 85441-61-8 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Quinaprilat Metabolite CS-O-10328 82768-85-2 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Quinapril Decarboxy impurity Impurity CS-O-46256 Not Available Enquire
Quinapril Diketopiperazine Impurity CS-T-61012 103733-49-9 In Stock
Quinapril Methyl Ester Analog Impurity CS-O-47886 118194-43-7 Enquire
L-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid Impurity CS-O-31721 74163-81-8 Enquire
O-Desethyl-O-isopropyl Quinapril Impurity CS-T-15885 955034-25-0 Enquire
Quinapril EP Impurity G Impurity CS-O-36983 103775-06-0 Enquire
Quinapril EP Impurity H Impurity CS-EO-00773 Not Available Enquire
Quinapril Ethyl Ester Maleic Acid Salt Impurity CS-T-61014 103733-36-4 Enquire
Quinapril Impurity M Impurity CS-P-02030 Not Available Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-nitroso Quinapril Nitrosamine CS-O-39063 2922985-13-3 In Stock
N-Nitroso Quinapril Decarboxy impurity Nitrosamine CS-O-46257 Not Available In Stock
N-Nitroso Quinapril EP Impurity A Nitrosamine CS-O-53091 Not Available In Stock
N-Nitroso Quinapril Ethyl ester Nitrosamine CS-O-48613 Not Available In Stock
N-Nitroso Quinaprilat Nitrosamine CS-O-48612 Not Available In Stock


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Quinapril EP Impurity E Therapeutic CS-P-02029 2055735-09-4 Enquire


Analytical Standard

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-nitroso Quinapril Analytical Standard CS-O-39063-10MG 2922985-13-3 Enquire
N-nitroso-quinapril-100 PPM in Acetonitrile Analytical Standard CS-O-39063-1.5ML 2922985-13-3 Enquire