Clopidogrel hydrogen sulfate

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Category:Agrochemicals   Own Brand:MT  /MOQ:100KG  /From China/  B2B only.

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Introduction

Clopidogrel Hydrogen Sulfate (CAS No. 120202-66-6) 

1. Basic Information

  • IUPAC Name: Methyl (2S)-2-(2-chlorophenyl)-2-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl)acetate hydrogen sulfate
  • Molecular Formula: C₁₆H₁₆ClNO₂S·H₂SO₄
  • Molecular Weight: 419.90 g/mol
  • Appearance: White to off-white crystalline powder
  • Optical Rotation: [α]²⁰D = +55° to +56° (c=2, methanol)
  • Polymorphs: Form I (thermodynamically stable) and Form II

2. Physicochemical Properties

Property Specification
Melting Point 184–188°C (Form I, dec.)
Solubility – Water: ~50 mg/mL (25°C)
– Methanol: Freely soluble
pKa 4.5 (tertiary amine)
LogP (octanol/water) 3.0 (free base)
Hygroscopicity Slightly hygroscopic

3. Pharmacopoeial Specifications

Test USP/EP Standard
Assay (HPLC) 98.0–102.0%
Related Substances ≤0.5% any individual impurity
Sulfate Content 22.4–23.4%
Heavy Metals ≤20 ppm

4. Hazards (GHS Classification)

  • Acute Toxicity: Oral LD₅₀ >2,000 mg/kg (rat)
  • Reproductive Toxicity: Category 2 (H361d)
  • Environmental Impact: Not classified

5. Storage & Handling

  • Conditions: Tight containers, 15–30°C, protected from moisture
  • Handling: Use PPE (gloves, mask) to avoid inhalation of dust

Disclaimer:

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