Product name: Clopidogrel hydrogen sulfate
CAS: 135046-48-9;120202-66-6
Molecular Formula: C₁₆H₁₆ClNO₂S·H₂SO₄
Molecular Weight: 419.9
Structural formula:

Physical and chemical properties: white or off-white crystalline powder
Specific optical rotation: +52^o to +56^o; Storage condition: 2-8^oC.