Ас-Тир аминокислота

amino acid Ac-Tyr Product Name: Ac-Tyr-OH CAS #: 537-55-3 Synonyms: N-Acetyl-L-Tyrosine Molecular Formula: C11H13NO4 Molecular Weight: 223.23 Specifications: (Reference Standard : AJI92) Items StandardAnalysis dataAppearanceWhite crystal or white crystalline powderConformsSpecific Rotation [20/D](C=2 in H2O)+45 to +49 Degree46.2°TransmittanceNot less than 95.0%96.5%Heavy Metals (Pb)Not more than 10 PPM<10ppmArsenic (As2O3)Not more than 2 PPM<2ppmLoss on DryingNot more than 0.50%0.25%Residue on IgnitionNot more than 0.30%0.1%Assay98.0 to 102.0%99.2%pH2.0 to 3.02.3