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

Captopril Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-S-Benzoylcaptopril-d3 Stable Isotopes CS-T-100976 Not Available Enquire
S-(3-Acetylanisole-d3) Captopril-13CD3 Stable Isotopes CS-T-100939 Not Available Enquire
S-(Pentafluoro-6-methylbenzene) Captopril (Proline-2,5,5-d3) Stable Isotopes CS-T-97228 Not Available Enquire
S-[3-(2,5,6-Trimethyl)bimanyl] Captopril (Proline 2,5,5-d3) Stable Isotopes CS-T-97126 Not Available Enquire
S-[3-(N-(Ethyl-d5)maleimide)] Captopril Stable Isotopes CS-T-97519 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Captopril API CS-O-01051 62571-86-2 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(S)-(-)-3-Acetylthio-2-methylpropionic Acid Impurity CS-T-01188 76497-39-7 In Stock
Captopril EP Impurity A Impurity CS-O-07518 64806-05-9 In Stock
Captopril EP Impurity D Impurity CS-O-07521 56970-78-6 In Stock
Captopril EP Impurity E Impurity CS-O-07522 23500-15-4 In Stock
Captopril EP Impurity F Impurity CS-O-07523 63250-36-2 In Stock
Captopril EP Impurity G Impurity CS-O-07524 33325-40-5 In Stock
Captopril RC 7 Impurity CS-T-95914 214193-11-0 Enquire
1-[(2R)-3-(acetylthio)-2-methyl-1-oxopropyl]-D-Proline Impurity CS-O-07525 224626-08-8 Enquire
Captopril EP Impurity B Impurity CS-O-07519 80629-35-2 Enquire
Captopril EP Impurity H Impurity CS-P-07438 205521-07-9 Enquire
Captopril EP Impurity I Impurity CS-EO-00111 Not Available Enquire
Captopril EP Impurity L Impurity CS-EO-00112 Not Available Enquire
Captopril EP Impurity M Impurity CS-EO-00113 Not Available Enquire
Captopril EP Impurity O Impurity CS-EO-00114 Not Available Enquire
Captopril Impurity N Impurity CS-P-07437 65134-74-9 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-Mercaptoisobutyric Acid Intermediate CS-O-07520 26473-47-2 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
captopril-cysteine Fine Chemicals CS-O-33583 75479-46-8 Enquire


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Captopril EP Impurity C (Y0001220) EP Standards CS-EG-00252 26473-47-2 Enquire