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CAS No:537-55-3 N-Acetyl-L-tyrosine
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N-Acetyl-L-tyrosine 537-55-3

  • CAS No.: 537-55-3
  • Purity: 99.3
  • Weight: 223.23
  • Formula: C11H13NO4
  • Place of Orign: Deyang,Sichuan,China
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Item specifics

  • Product Name.:N-Acetyl-L-tyrosine 537-55-3
  • CAS No: 537-55-3
  • Weight: 223.23
  • Formula: C11H13NO4
  • Melting Point: 149-152 ºC
  • Boiling Point: 531.3 °C at 760 mmHg
  • Density: 1.304 g/cm3

Details

Product Name: Ac-Tyr-OH CAS #: 537-55-3
Synonyms: N-Acetyl-L-Tyrosine Molecular Formula: C11H13NO4
Molecular Weight: 223.23
Manufacture time: 2012-12-20 Batch No.:20121220
Testing time: 2013-01-10 Expiry time:2014-12
Specifications: (Reference Standard : EP5.0)
Items Standard Analysis data
Solution S Clear and colorless Conforms
Appearance White crystal or white crystalline powder Conforms
Specific Rotation [20/D]
(C=2 in H2O) +46.0 to +49.0 46.75
TLC 1% L-Tyr-OH Conforms
Chloride (Cl) Not more than 0.020% 0.02%
Ammonium (NH4) Not more than 0.020% <0.020%
Sulfate (SO4) Not more than 0.020% 0.018%
Iron (Fe) Not more than 20ppm 7ppm
Heavy metal(Pb) Not more than 10ppm 7ppm
Arsenic(As2O3) Not more than 1ppm less than 1ppm
Loss on drying Not more than 0.5% 0.1%
Residue on ignition(sulfated) Not more than 0.1% 0.08%
Assay 98.5 to101% 99.3%

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