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
Folcisteine is a sulfur-containing amino acid derivative with expectorant and mucolytic effects. It appears as white crystalline powder, widely used as raw material for respiratory medicines and biochemical research reagents. Produced via organic synthesis, purification and recrystallization, this product features high purity and stable batch quality. For legitimate pharmaceutical production and scientific research only.
Product Features
- High Purity: ≥99.0% (HPLC), meets pharmaceutical grade standards.
- Excellent Mucolytic Activity: Effectively dilute sputum and relieve cough symptoms.
- Good Solubility: Easy to dissolve in water, suitable for multiple dosage forms.
- Stable Pharmacological Performance: Mild action with good safety.
- Strict Quality Control: Full batch inspection; COA and MSDS are available upon request.
Physical & Chemical Properties
Physical Properties
- Appearance: White crystalline powder
- Molecular Formula: C5H9NO3S
- Molecular Weight: 163.19
- Melting Point: 158 – 162 °C
- Solubility: Freely soluble in water; soluble in methanol and ethanol
- Hygroscopicity: Slightly hygroscopic
Chemical Properties
- Chemical Stability: Stable under dry, sealed and dark conditions; sensitive to prolonged high temperature and strong oxidants.
- Chemical Reactivity: Contains amino, carboxyl and thiol groups, capable of oxidation, esterification and salt formation reactions.
- Acid-Base Character: Weakly acidic in aqueous solution.
- Incompatibility: Keep away from strong oxidants, strong alkalis and high temperature.
Applications
- Pharmaceutical Industry: Key raw material for drugs treating cough, excessive sputum and respiratory tract inflammation.
- Biomedical Research: Reference standard and experimental reagent for respiratory pharmacology research.
- Organic Synthesis: Intermediate for developing related amino acid derivatives.
Usage Restriction: For pharmaceutical manufacturing and scientific research use only. Not for direct human consumption.
Storage & Transportation Instructions
Storage Conditions
Store in a cool, dry, dark and well-ventilated warehouse. Keep containers tightly sealed to prevent moisture and oxidation. Recommended storage temperature: 10 – 25 °C. Reseal containers immediately after opening.
Transportation Requirements
Classified as non-hazardous goods. Adopt moisture-proof and sealed packaging. Avoid collision, extrusion, high temperature and rain during transit. Do not transport together with oxidants, corrosive substances 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 if contact occurs. No eating, drinking or smoking in the working area.
Regulatory Information
EINECS Number: 225-716-4
HS Code: 2930909090
Complies with international pharmaceutical raw material standards. Export products follow IATA and IMDG provisions. All transactions are limited to qualified pharmaceutical factories and research institutions.
Full Product Parameter Table
| Item | Specification & Details |
| Product Name | Folcisteine |
| CAS NO. | 5025-82-1 |
| IUPAC Name | N-(Carboxymethyl)cysteine |
| Synonyms | Carboxymethylcysteine |
| Molecular Formula | C5H9NO3S |
| Molecular Weight | 163.19 |
| EINECS Number | 225-716-4 |
| UN Number | Non-hazardous goods |
| Hazard Class | Irritant |
| Appearance | White crystalline powder |
| Purity | ≥99.0% (HPLC) |
| Water Content | ≤0.5% |
| Melting Point | 158 – 162 °C |
| Solubility | Freely soluble in water, methanol |
| HS Code | 2930909090 |
| Storage Temperature | 10 – 25 °C, sealed, dry & light-proof environment |
| Packing Specification | 25kg/fiber drum with inner plastic bag |
| Grade Standard | Pharmaceutical Grade / Research Grade |
| Application Scope | Respiratory drug raw material, biochemical reagent |
| Validity Period | 24 Months under specified storage conditions |
