| post date: | nov 30,2021 |
| expiry date: | nov 30,2022 |
| detailed description: |
cas no. :60-18-4;55520-40-6
payment method: t/t product name: h-tyr-oh cas#: 60-18-4 synonyms: l-tyrosine molecular formula: c9h11no3 molecular weight: 181.19 reference standard: aji92 specifications: item standard appearance white crystals or crystalline powder specific rotation[α]20/d (c=5,1mol/l hcl) -11.3 to -12.1° state of solution (transmittance) clear and colorless not less than 95.0% 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 20ppm heavy metal(pb) not more than 10ppm arsenic(as2o3) not more than 1ppm other amino acids chromatographically not detectable loss on drying not more than 0.20% residue on ignition(sulfated) not more than 0.10% assay 98.5 to100.5% ph 5.0 to 6.5 |
| cas registry number: | 60-18-4;55520-40-6 |
| 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: | 
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| hazard symbols: | |
| risk codes: | r36/37/38:; |
| safety description: | s26:; s36:; |
