Buy Losartan & Other ARBs | Antihypertensive Medication Supplier

Losartan Potassium – Technical Information (Reference Only)

Chemical Information

• Synonyms:
  • Losartan potassium
  • (2-butyl-4-chloro-1-[(2′-(1H-tetrazol-5-yl)biphenyl-4-yl)methyl]-1H-imidazol-5-yl)methanol potassium salt
  • Cozaar (brand name)

• Formal Name:
  Potassium salt of 2-butyl-4-chloro-1-[(2′-(1H-tetrazol-5-yl)biphenyl-4-yl)methyl]-1H-imidazol-5-yl)methanol

• CAS Number:
  114798-26-4

• Molecular Formula:
  C22H22ClKN6O

• Molecular Weight:
  461.01 g/mol

• Chemical Class:
  Angiotensin II receptor antagonist (ARB)

• Appearance:
  White to off-white crystalline powder

Structural / Spectral Information

• SMILES:
  CCCC1=C(N=C(N1CC2=CC=C(C=C2)C3=NNN=N3)C(Cl)=C)CO.[K+]

• InChI:
  InChI=1S/C22H22ClN6O.K/...

• InChI Key:
  OVFQOXOXZDANLP-UHFFFAOYSA-K

• λmax (UV):
  Approximately 225 nm, 248 nm, 282 nm

Solubility

• Water: Sparingly soluble

• Methanol / Ethanol: Soluble

• DMSO: Soluble

• Chloroform / Ether: Practically insoluble

Formulation

• Supplied as Losartan potassium USP/EP grade

• Purity: ≥98% (analytical/research grade)

• Common pharmaceutical tablet strengths:
  • 25 mg
  • 50 mg
  • 100 mg

Storage & Stability

• Storage Temperature: 2–8 °C recommended; room temperature acceptable if dry and protected

• Shipping: Ambient temperature acceptable

• Stability: ≥3–5 years under proper storage conditions

• Light/Moisture Sensitivity: Protect from prolonged exposure

Safety / Handling

• Low acute toxicity

• Avoid inhalation of powder

• Use PPE (gloves, mask) when handling bulk material

• Store in sealed, dry containers