Omeprazole
Omeprazolum
CAS73590-58-6FormulaC17H19N3O3S
Omeprazole is a proton pump inhibitor active substance from the benzimidazole class. It is acid- and light-sensitive, so packaging, storage and transport conditions are part of our documentation review.
Technical data
- CAS number
- 73590-58-6
- Molecular formula
- C17H19N3O3S
- Molar mass
- 345.42 g/mol
- Pharmacopoeia / standards
- Ph. Eur. 0942 · USP
- Grade
- Ph. Eur. / USP, pharmaceutical grade; pellets on request
- Appearance
- White or almost white powder; shows polymorphism
- Typical packaging
- Light- and moisture-protected fibre drums with double PE liners
Documents we provide
- CEP or ASMF (applicant’s part) with letter of access
- EU GMP certificate or inspection record (EudraGMDP)
- Written Confirmation (CDSCO)
- Specification and batch CoA
- Nitrosamine risk assessment
- Elemental impurities (ICH Q3D) and residual solvents (ICH Q3C) statements
- TSE/BSE statement
Typical package. The final list depends on the manufacturer and your specification.
Applications
Active substance for gastro-resistant oral medicinal products made by authorised manufacturers.
Regulatory notes
Active substance under Directive 2001/83/EC. Imports from India require a Written Confirmation (Art. 46b). Supplied only to authorised manufacturers and wholesalers.
Market context
Indian manufacturers hold 17 of 30 valid CEPs for omeprazole (EDQM database, 15 Oct 2026; GFC count).
Quick answers
What is the CAS number of Omeprazole?
The CAS number of Omeprazole is 73590-58-6. Molecular formula: C17H19N3O3S, molar mass 345.42 g/mol.
Which documents come with Omeprazole from Green Future Clinics?
The typical package includes: CEP or ASMF (applicant’s part) with letter of access; EU GMP certificate or inspection record (EudraGMDP); Written Confirmation (CDSCO); Specification and batch CoA. The final list depends on the manufacturer and on your specification.
Which grade of Omeprazole is available?
Ph. Eur. / USP, pharmaceutical grade; pellets on request. Reference standards: Ph. Eur. 0942, USP.
Verification
Identifiers checked against public databases on :