Pharmaceutical Raw Materials L-Cysteine CAS 52-90-4

• Customization: Available
• Environmental Protection: No
• Certification: GMP, Hse, ISO 9001, USP, Bp, ISO
• Model NO.: 52-90-4
• Classification: Amino Acid
• Function: Keeping Health and Promoting Growth
• Appearance: Powder
• Powder: Yes
• Customized: Non-Customized
• Suitable for: Elderly, Children, Adult
• State: Solid
• Purity: >99%
• Quality Standard: USP
• Transport Package: Carton, Drum
• Specification: 25Kg
• Origin: China
• HS Code: 2930909099
• Production Capacity: 100, 000kg/Year

Product Description

Product Name            N-Acetyl-L-cysteine
Alias                              NAC
Molecular Formula    C₅H₈NO₃S
Molecular Weight      162.1875
CAS No.                       616-91-1
Shelf Life                      2 years  

Specification:

Analytical Items	Standard
Appearance	White crystals or crystalline powder
Appearance of solution	Clear and colourless
Solutions	Meet the requirements
Specific Rotation	+21.0~+27.0°
Loss on drying	≤1.0%
pH	2.0~2.8
Sulphated ash	≤0.2%
L-Cystine	<0.5%
L-Cysteine	<0.5%
N-diacetyl-L-Cystine	<0.5%
N-diacetyl-L-Cysteine	<0.5%
Heavy metals (Pb)	≤10PPm
Zinc	≤10PPm
Related substances	Meet the requirements
Other unknown impurity	<0.5%
Total Impurities	<0.5%
Assay	99.0%~101.0%

Application:  
1) Mainly used in medicine, cosmetics, biochemical research and other aspects.

2) Used in bread, to promote the formation of gluten and promote fermentation, mold, prevent aging.

3) Used in natural juices to prevent vitamin C from oxidizing and to prevent the juices from turning brown.

4) The product has a detoxification effect, can be used for poisoning, aromatic acidosis.

5) It is also used to prevent radiation damage to the body and is a drug for the treatment of bronchitis, especially as a expectorant (mostly in the form of acetyl l-cysteine methyl ester).

6) Cosmetics mainly used for beauty water, perm fluid, sun - proof skin care cream.

Packing: 
25kg/drum

Storage: 
Store in tightly closed original container, protected from light, in a dry place.