Amino Acids

  • L-cysteine
  • L-cysteine
L-cysteineL-cysteine

L-cysteine

  • specific rotation: +8.3°~ +9.5°
  • Type: white powder
  • Form: china
  • Product Name: L-cysteine
  • Product description:
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Product Description

Description:

Product name:  L-Cysteine
CAS NO. :52-90-4
Form:      white crystal powder
Specification:    98%

Test Method :   Titration
Extraction type :  Solvent Extraction
Molecular Formula :   C3H7NO2S
Molecular Weight:    121.15
Shelf life:    2 years

Function:

Mainly used in medicine, cosmetics, biological research, etc. Used in bread material, in order to promote the gluten forming and promote fermentation, the mold, prevent aging, etc. Used in natural fruit juice, to prevent the oxidation of the vitamin C and to prevent juice brown. The goods have detoxification and can be used for acrylonitrile poisoning, aromatic acidosis.

Specification
Appearance
White crystals or crystalline powder
Specific rotation [α] D 20
+8.3° - +9.5°
Transmittance
≥ 95.0%
Chloride(Cl)
≤ 0.04%
Ammonium(NH4)
≤ 0.02%
Sulfate(SO4)
≤ 0.03%
Iron(Fe)
≤ 10ppm
Heavy metals(pb)
≤ 10ppm
Arsenic(As2o3)
≤ 1ppm
Other amino acids
Chromatographically:Not detectable
Loss on drying
≤ 0.5%
Residue on ignition
≤ 0.1%
Assay
98.0 - 101.0%
pH
4.5 - 5.5

CONTACT US

Contact: beryl

Phone: 18605517611

Tel: 0086-551-62626068

Email: beryl@reachever.com

Add: A Office Building ,Room 4703,City Center,NO.333,Qimen Road Hefei,Anhui,China