Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Product Overview
Captopril is a classic angiotensin-converting enzyme inhibitor. It appears as white or off-white crystalline powder with a slight sulfur odor. Widely used as raw material for cardiovascular drugs, it exhibits remarkable effects on treating hypertension and heart failure. Produced via multi-step synthesis, purification and recrystallization, this product owns high purity and stable batch quality. For legitimate pharmaceutical production and scientific research only.
Product Features
- High Purity: ≥99.0% (HPLC), compliant with USP, EP and pharmaceutical grade standards.
- Rapid Efficacy: Fast oral absorption and obvious therapeutic effect on cardiovascular diseases.
- Good Processability: Suitable for preparing tablets, capsules and other solid formulations.
- Controllable Stability: Stable under specified sealed storage conditions.
- Strict Quality Control: Full batch inspection; COA and MSDS are available on request.
Physical & Chemical Properties
Physical Properties
- Appearance: White or off-white crystalline powder
- Odor: Slight characteristic sulfur odor
- Molecular Formula: C9H15NO3S
- Molecular Weight: 217.28
- Melting Point: 104 – 108 °C
- Specific Rotation: -126° ~ -132° (c=2, ethanol)
- Solubility: Freely soluble in water, methanol and ethanol; slightly soluble in ethyl acetate
- Hygroscopicity: Slightly hygroscopic
Chemical Properties
- Chemical Stability: Gradually oxidize and discolor under long exposure to air and light; stable when tightly sealed and kept in dark.
- Chemical Reactivity: Containing thiol, amide and carboxyl groups, capable of oxidation, esterification and salt-forming reactions.
- Acid-Base Character: Weakly acidic in aqueous solution.
- Incompatibility: Keep away from strong oxidants, high temperature and direct sunlight.
Applications
- Pharmaceutical Industry: Key raw material for medicines for hypertension, congestive heart failure and diabetic nephropathy.
- Biomedical Research: Reference standard and experimental reagent for cardiovascular pharmacology research.
- Organic Synthesis: Intermediate for developing captopril derivatives.
Usage Restriction: For pharmaceutical manufacturing and scientific research use only. Prohibited for unauthorized preparation and improper application.
Storage & Transportation Instructions
Storage Conditions
Store in a cool, dry, dark and well-ventilated warehouse. Keep containers tightly sealed against moisture and air. Recommended storage temperature: 10 – 25 °C. Reseal immediately after opening.
Transportation Requirements
Classified as non-hazardous goods. Adopt light-proof and moisture-proof sealed packaging. Avoid collision, extrusion, high temperature and rain during transit. Do not transport together with oxidants, corrosives and food.
Operation Notes
Wear dust-proof mask, chemical-resistant gloves and safety goggles. Work in well-ventilated areas. Avoid inhalation of dust and direct contact with skin and eyes. Rinse thoroughly with plenty of clean water in case of contact. No eating, drinking or smoking in the working area.
Regulatory Information
EINECS Number: 263-615-3
HS Code: 2933990990
Complies with international pharmacopoeia standards. Export goods follow IATA and IMDG regulations. All transactions are limited to qualified pharmaceutical factories and research institutions.
Full Product Parameter Table
| Item | Specification & Details |
| Product Name | Captopril |
| CAS NO. | 62571-86-2 |
| IUPAC Name | (2S)-1-[(2S)-2-methyl-3-sulfanylpropanoyl]pyrrolidine-2-carboxylic acid |
| Synonyms | Capoten |
| Molecular Formula | C9H15NO3S |
| Molecular Weight | 217.28 |
| EINECS Number | 263-615-3 |
| UN Number | Non-hazardous goods |
| Hazard Class | Irritant |
| Appearance | White or off-white crystalline powder |
| Purity | ≥99.0% (HPLC) |
| Water Content | ≤0.5% |
| Melting Point | 104 – 108 °C |
| Specific Rotation | -126° ~ -132° (ethanol) |
| Solubility | Freely soluble in water, methanol, ethanol |
| HS Code | 2933990990 |
| Storage Temperature | 10 – 25 °C, sealed, dry & light-proof |
| Packing Specification | 25kg/fiber drum with inner plastic bag |
| Grade Standard | Pharmaceutical Grade / Research Grade |
| Application Scope | Antihypertensive drug raw material, pharmacological research reagent |
| Validity Period | 24 Months under specified storage conditions |
