Dragon Chemical Group Co.,China

You are here: HomeProductsL-CYSTINE

Contact us

  • Company Name: Dragon Chemical Group Co.,China
  • Street: 10/Fl., Jinjiang Building, 111 South Hushu Rd., Hangzhou, China
  • Country/region: China
  • Fax: +86-571-88391332 49-211-550203-10
  • Email:

L-CYSTINE

  • CAS No:56-89-3 (2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid
    Molecular Structure

    Other Information

  • CAS Registry Number: 56-89-3
  • Transport: 25kgs
  • Melting Point: 260-261 ºC
  • Density: 1.68
  • Refractive index: -222.5 ° (C=1, 1mol/L HCl)
  • Alpha: -224 º(C=2 IN 1M HCL)
  • Water Solubility: 0.112 G/L (25 ºC)
  • Safety Statements: 26-36-24/25
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29309014
  • EINECS: 200-296-3
  • Molecular Weight: 240.30048
  • InchiKey: LEVWYRKDKASIDU-IMJSIDKUSA-N
  • InChI: InChI=1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,
    (H,9,10)(H,11,12)/t3-,4-/m0/s1
  • Risk Statements: S24/25
  • Molecular Formula: C6H12N2O4S2