Molekula L-Tyrosine
Specification & product details.
L-Tyrosine is a non-essential amino acid involved in the synthesis of neurotransmitters and thyroid hormones.
CAS number: 60-18-4
Select the required pack size. Contact Bench & Flask for bulk quantities and availability.
Supplier packaging image is illustrative; packaging may vary by pack size.
Specifications
| Property | Value |
| Appearance | White to off-white powder |
| Specific rotation | -9.8 to -11.2° |
| Heavy metals | 15 ppm max |
| Loss on Drying | 0.3% max |
| Chloride (Cl-) | 0.04% max |
| Assay | 98% min |
| Residue on Ignition | 0.4% max |
| Individual impurity | 0.5% max |
| Total Impurities | 0.5% max |
| Iron (Fe) | 30 ppm max |
| Identification (IR) | Conforms to Reference |
| Sulphates (SO4)(2-) | 0.04% max |
| Chromotograhic Purity | Conforms |
Storage & handling
| Property | Value |
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
| Appearance | Fine silky needles |
| Melting Point | 344 °C |
| Solubility (other solvents) | Soluble in water and dilute mineral acid and alkali hydroxide solutions |
| pKa | pKa = 2.2 (at 25 °C) |
| log P (octanol/water) | 2.26 |
Identification
| Property | Value |
| SKU | 12097155 |
| CAS Number | 60-18-4 |
| IUPAC Name | (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid |
| EC Number | 200-460-4 |
| Molecular Formula | C9H11NO3 |
| Molecular Weight | 181.19 |
| Exact Mass | 181.0739 |
| SMILES | C1=CC(=CC=C1C\[C@@H\](C(=O)O)N)O |
| InChIKey | OUYCCCASQSFEME-QMMMGPOBSA-N |
| InChI | InChI=1S/C9H11NO3/c10-8(9(12)13)5-6-1-3-7(11)4-2-6/h1-4,8,11H,5,10H2,(H,12,13)/t8-/m0/s1 |
| PubChem CID | 6057 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29225040 |
| Tariff Code | 2922500090 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
\\
\\
\\
\\
\\
\\
\\
Alternative names
(2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid; (S)-Tyrosine; 4-Hydroxy-L-phenylalanine; beta-(p-Hydroxyphenyl)alanine; L-p-Tyrosine; L-Phenylalanine, 4-hydroxy-; p-Tyrosine; tirosina; tyrosine; Tyrosinum
Product documentation
Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.
Buying for a laboratory, university or organisation?
Ask about quotations, larger quantities, recurring supply and professional accounts.