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

Fosinopril Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Des(4-cyclohexyl-L-proline) Fosinopril Acetic Acid-d7 Stable Isotopes CS-T-97635 Not Available Enquire
Fosinopril (Propionyl-d5) Stable Isotopes CS-T-97492 Not Available Enquire
Fosinopril-d5 Cesium Stable Isotopes CS-T-97490 Not Available Enquire
Fosinopril-D₅ Sodium Salt (mixture of two steroisomers) Stable Isotopes CS-T-97491 Not Available Enquire
Methylphenyl Fosinopril-d5 Stable Isotopes CS-T-97297 Not Available Enquire
rac-Des(4-cyclohexyl-L-proline) Fosinopril Acetic Acid-d7 Stable Isotopes CS-T-101091 Not Available Enquire
Fosinoprilat D7 Stable Isotopes CS-T-55071 1279220-43-7 Enquire
Fosinoprilat-d5 Sodium Salt Stable Isotopes CS-T-77186 1217522-63-8 Enquire
Fosinopril-d5 Stable Isotopes CS-T-75697 98048-97-6 Enquire
Fosinopril-d5 Sodium Salt Stable Isotopes CS-T-74795 1217513-43-3 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fosinopril sodium API CS-O-20015 88889-14-9 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(Trans)-4-Cyclohexylproline Impurity CS-O-32305 103201-78-1 Enquire
Fosinopril EP Impurity D Impurity CS-EO-03584 1356446-78-0 Enquire
Fosinopril Sodium Impurity E (Sodium Salt) Impurity CS-O-54112 ---- Enquire
Fosinopril USP Related Compound G Impurity CS-EO-03585 83623-61-4 (Freebase) Enquire
(2R,4S)-Fosinopril Sodium Salt Impurity CS-T-76419 1356932-15-4 Enquire
(2S,4R)-Fosinopril Sodium Salt Impurity CS-T-74978 1356353-41-7 Enquire
Fosinopril EP Impurity A Impurity CS-O-11033 95399-71-6 Enquire
Fosinopril EP Impurity B Impurity CS-O-11031 1910773-95-3 Enquire
Fosinopril EP Impurity C Impurity CS-O-11035 474519-28-3 Enquire
Fosinopril EP Impurity H Impurity CS-EO-00693 Not Available Enquire
Fosinopril Impurity H Sodium Salt Impurity CS-P-07961 149760-14-5 (free base) Enquire


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fosinoprilat Acyl-β-D-Glucuronide Glucuronide CS-T-55072 113411-09-9 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-nitroso Fosinopril A Nitrosamine CS-O-49610 Not Available Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Fosinopril Related Compound A Secondary Standards CS-SS-26318-50MG 95399-71-6 Enquire
Fosinopril related compound H Secondary Standards CS-SS-26319 46348-61-2 Enquire
Fosinopril sodium Secondary Standards CS-SS-26019-500MG 88889-14-9 Enquire