L-Cysteine

• Post Date:

  Aug 23,2016

• Expiry Date:

  Aug 23,2017

• Detailed Description:

  Cas No. :52-90-3 Legal number: CAS RN) : 52-90-3 EINECS no. : 200-158-2
  　　Molecular formula: C3H7NO2S
  　　Molecular weight: 121.16
  　　Physical and chemical properties: twin monoclinic or orthogonal crystallization, melting point 178 ℃, (a) + 26.5 (mol/L HCL), imine tastes, in neutral or slightly alkaline solution easy oxidation by air into cystine, acidic environment is stable, soluble in water, ethanol, not soluble in ethanol, propanol, ethyl acetate, stupid, carbon disulfide, carbon tetrachloride.
  　　USES: used in the treatment of skin conditions such as eczema, urticaria, freckles, the series products are widely used in medicine, food and cosmetics industries.
  　　Standard: AJI92
  

• CAS Registry Number:

  52-90-3

• Synonyms:

  ;Cysteine, L-;L-(+)-Cysteine;L-Alanine, 3-mercapto-;L-Cys;NSC 8746;L-Cysteine;(+)-2-Amino-3-mercaptopropionic acid;L-beta-mercaptoalanine;L-Cysteine Free Base Crystalline;(S)-(-)-Cysteine;L-Cysteine Base;H-Cys-OH;

• Molecular Formula:

  C₃H₇NO₂S

• Molecular Weight:

  121.15

• Molecular Structure:

  

• Hazard Symbols:

   Xn:Harmful;
  

• Risk Codes:

  R22:;
  R36/37/38:;
  

• Safety Description:

  S26:;
  S37/39:;
  

• Company:

  Guangzhou Haohai Trade Co.,Ltd.     [ China ]        

• Contact:

  luo

• Tel:

  0086-20-38337405

• Fax:

  0086-20-38337458

• Email:

  hongyanluoxu3@163.com