Losartan potassium
Losartanum kalicum · Losartan K
CAS124750-99-8FormulaC22H22ClKN6O
Losartan potassium is an angiotensin II receptor antagonist (sartan) active substance supplied as the potassium salt. Because sartans are subject to specific nitrosamine controls in the EU, the documentation package includes a nitrosamine risk assessment and test data.
Technical data
- CAS number
- 124750-99-8
- Molecular formula
- C22H22ClKN6O
- Molar mass
- 461.00 g/mol
- Pharmacopoeia / standards
- Ph. Eur. 2232 · USP
- Grade
- Ph. Eur. / USP, pharmaceutical grade
- Appearance
- White or almost white, hygroscopic crystalline powder; shows polymorphism
- Typical packaging
- 25 kg fibre drums with double polyethylene liners (pack sizes per manufacturer)
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 oral medicinal products made by authorised manufacturers, alone or in fixed combinations.
Regulatory notes
Active substance under Directive 2001/83/EC. Sartans follow the EMA nitrosamine requirements introduced after the 2019 Article 31 review. Supplied only to authorised manufacturers and wholesalers.
Market context
Indian manufacturers hold 18 of 30 valid CEPs for losartan potassium (EDQM database, 15 Oct 2026; GFC count).
Quick answers
What is the CAS number of Losartan potassium?
The CAS number of Losartan potassium is 124750-99-8. Molecular formula: C22H22ClKN6O, molar mass 461 g/mol.
Which documents come with Losartan potassium 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 Losartan potassium is available?
Ph. Eur. / USP, pharmaceutical grade. Reference standards: Ph. Eur. 2232, USP.
Verification
Identifiers checked against public databases on :