Tyrosine

• Post Date:

  Jun 20,2016

• Expiry Date:

  Jun 20,2017

• Detailed Description:

  Cas No. :60-18-4 Quantity: 5000Metric Tons
  Payment Method: T/T L/C
  Product Name: Tyrosine
  
  Formula: C11H13NO4
  
  Molecular Weight: 223.23
  
  CAS No.: 537-55-3
  
  EINECS: 208-671-3
  
  Density: 1.304 g/cm3
  
  Melting Point: 149-152 °C(lit.)
  
  Boiling Point: 531.3 °C at 760 mmHg
  
  Flash Point: 275.1 °C
  
  
  
  Item
  
  
  Specification
  
  Appearance
  
  
  White crystals or crystalline powder
  
  Specific Rotation[]D20
  
  
  +46.5 to +49.0
  
  State of solution
  
  
  Clear and colorless
  
  Not less than 96.0%
  
  Chloride (Cl)
  
  
  Not more than 0.020%
  
  Ammonium (NH4)
  
  
  Not more than 0.02%
  
  Sulfate (SO4)
  
  
  Not more than 0.020%
  
  Iron (Fe)
  
  
  Not more than 30ppm
  
  Heavy Metals (Pb)
  
  
  Not more than 10ppm
  
  Aresenic (As2O3)
  
  
  Not more than 2ppm
  
  Loss on drying
  
  
  Not more than 0.5%
  
  Residue on ignition
  
  
  Not more than 0.1%
  
  Assay
  
  
  99.0% to 101.0%
  
  Tyrosine
  
  
  Not more than 1.0%
  
  pH
  
  
  2.0 to 3.0

• CAS Registry Number:

  60-18-4

• Synonyms:

  ;3-(4-Hydroxyphenyl)-L-alanine;H-Tyr-OH;L-tyrosine,99+% (98% ee/glc);L-tyrosine free base cell culture*tested;L-tyrosine plant cell culture tested;L-Tyrosine, Free Base;tyrosine usp;Tyr;Tyrosine,L- (8CI); (-)-a-Amino-p-hydroxyhydrocinnamicacid; (2S)-2-Amino-3-(4-hydroxyphenyl)propanoic acid;(S)-2-Amino-3-(4-hydroxyphenyl)propanoic acid; (S)-Tyrosine; (S)-a-Amino-4-hydroxybenzenepropanoicacid; 12: PN: US20090069547 PAGE: 10 claimed protein; 50: PN: WO2007067983SEQID: 199 unclaimed protein; 58: PN: US20040014159 SEQID: 33 unclaimedprotein; Benzenepropanoic acid, a-amino-4-hydroxy-, (S)-; L-(-)-Tyrosine; L-Phenylalanine, 4-hydroxy-;L-p-Tyrosine; NSC 82624; NSC 9973; Propanoic acid,2-amino-3-(4-hydroxyphenyl)-, (S)-; Tyrosine; p-Tyrosine

• Molecular Formula:

  C₉H₁₁NO₃

• Molecular Weight:

  181.19

• Molecular Structure:

  

• Hazard Symbols:

   Xi:Irritant;
  

• Risk Codes:

  R36/37/38:;
  

• Safety Description:

  S26:;
  S36:;
  

• Company:

  Hebei Zhousheng Biological Technology CO., LTD         

• Contact:

  elaine

• Tel:

  0311-86556681

• Fax:

  0311-86556687

• Email:

  elaine@zsbiological.com