| CAS No.: | 60-18-4;55520-40-6 |
|---|---|
| Formula: | C9h11no3 |
| EINECS: | 200-460-4 |
|
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
L-Tyrosine
Molecular Formula: C9H11NO3
Molecular Weight: 181.19
CAS No: 60-18-4
Alias: 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
Shelf life: two years
Storage: in cool and dry places
| L-Tyrosine | CP2020 | EP11 | USP2023 |
| Assay | ≥99.0% | 99.0-101.0% | 98.5-101.5% |
| PH | 5.0-6.5 | / | / |
| Specific rotation[a]D20 | -11.3°--12.1° | -11.0°--12.3° | / |
| Specific rotation[a]D25 | / | / | -9.8°--11.2° |
| Transmittance(T430) | ≥95.0% | / | / |
| Appearance of solution | / | clear & colorless≤Y7 | / |
| Chloride(Cl) | ≤0.02% | ≤0.02% | ≤0.04% |
| Ammonium(NH4) | ≤0.02% | ≤0.02% | / |
| Sulfate(SO4) | ≤0.02% | ≤0.03% | ≤0.04% |
| Iron(Fe) | ≤10PPM | ≤10PPM | ≤30PPM |
| Heavy metals(Pb) | ≤10PPM | / | / |
| Arsenic | ≤1PPM | / | / |
| Other amino acids | ≤0.40% | / |
individual impurities≤0.5% total impurities≤2.0% |
| Ninhydrin-positive substances | / | Impurity A≤0.5% Each impurity≤0.2% Sum of impurities≤0.6% |
/ |
| Loss on drying | ≤0.20% | ≤0.50% | ≤0.30% |
| Residue on ignition | ≤0.10% | ≤0.10% | ≤0.40% |
| Endotoxin | <0.25EU/ml | <0.25EU/ml | <0.25EU/ml |
| Total plate count | ≤ 500 CFU/g | ≤ 500 CFU/g | ≤ 500 CFU/g |
| Moulds & Yeasts | ≤ 50 CFU/g | ≤ 50 CFU/g | ≤ 50 CFU/g |
){kind=link}