L-Cysteine CAS NO.52-90-4
TECHNICAL SPECIFICATIONS
| Item | Specification |
|---|---|
| Product Name | L-Cysteine |
| CAS NO. | 52-90-4 |
| Appearance | White crystalline powder or granules |
| Molecular Formula | C₃H₇NO₂S |
| Molecular Weight | 121.15 g/mol |
| Amino Acid Sequence | H-Cys-OH (Non-peptide amino acid) |
| Purity (RP-HPLC) | ≥95% |
| Solubility | Soluble in water, ammonia, and alkaline solutions; slightly soluble in ethanol; insoluble in ether and acetone |
| Endotoxin | <1.0 EU/mg |
| Biological Activity | A sulfur-containing amino acid with antioxidant, detoxifying, and cellular protective properties; also serves as a precursor in glutathione synthesis and as a reducing agent in biochemical and pharmaceutical applications. |
| Storage Conditions | Store at 2-8°C, protected from light and moisture, under inert atmosphere to prevent oxidation. |
| Stock Location | Stock in USA |
| MOQ | 1 kg |
1.MECHANISM OF ACTION
2.PRODUCT INDICATIONS
This amino acid is widely used in dietary supplements to support immune function, detoxification, and antioxidant status. In pharmaceuticals, it serves as a mucolytic agent and stabilizer in formulations, while in cosmetics, it supports skin health and collagen synthesis for anti-aging and texture improvement.
3.CLINICAL EFFICACY OF PRODUCT
Clinical studies indicate that L-Cysteine supplementation enhances systemic antioxidant capacity, improves markers of oxidative stress, and supports skin barrier function. Its use in drug formulations has been shown to improve stability and bioavailability, contributing to therapeutic outcomes in respiratory, metabolic, and dermatological applications.
4.DELIVERY & SHIPPING
We specialize in global logistics for various cosmetic peptides. Your order will be handled with the utmost care, ensuring safe, reliable, and intact delivery.
Professional and Secure Packaging
Each bottle of peptide is protected with a special packaging solution to ensure stability and integrity during transportation.
We can also customize packaging according to customer needs.
Shipping Methods
Main Method: International Air Freight
We primarily use DHL, FedEx, UPS, and TNT because of their global reliability, speed, and advanced tracking systems. Air freight ensures the fastest transit time and minimizes the impact of environmental factors on the product.
