Tyrosine (CAS 60-18-4) — formula C9H11NO3, molecular weight 181.07 g/mol; category food additives.
Tyrosine is a food-grade compound with CAS registry number 60-18-4 and molecular formula C9H11NO3 (molecular weight 181.07 g/mol), belonging to the food additives segment of chemical raw materials.
CAS number: 60-18-4
Its molecular formula C9H11NO3 comprises 9 C, 11 H, 1 N, 3 O atoms.
Also known as: Tyrosine · L-Tyrosine
Category: food additives
The CAS registry number of Tyrosine is 60-18-4.
Molecular formula C9H11NO3, molecular weight 181.07 g/mol.
It is also registered under: Tyrosine, L-Tyrosine.
Category: Nutrition Enhancers.
Public-database records for Tyrosine (CAS 60-18-4), reproduced here for independent cross-checking.
| GHS 通报统计 | 84.3% (226 / 268) |
|---|---|
| 已通报的危害声明 | H315 (14.9%), H319 (14.9%), H335 (14.6%) |
| 法规与食品接触 | EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT, NUTRIENT SUPPLEMENT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent No safety concern at current levels of intake when used as a flavouring agent TRS 928-JECFA 63/98 |
|---|---|
| GHS 通报统计 | 84.3% (226 / 268) |
| 熔点 | 343 |
|---|---|
| 熔点 | 344 °C |
| 熔点 | 343 °C |
| 溶解度 | 479 |
| 溶解度 | 0.479 mg/mL |
| LogP | -2.26 |
| LogP | log Kow= 2.26 |
| Ionization Efficiency | 2.51 |
| Ionization Efficiency | 2.7 |
| Ionization Efficiency | MeCN (80%) |
| CAS 号 | 60-18-4 |
|---|---|
| PubChem CID | 6057 |
| 分子式 | C9H11NO3 |
| 分子量 | 181.07 g/mol |
| IUPAC 名称 | (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid |
| InChIKey | OUYCCCASQSFEME-QMMMGPOBSA-N |
| UNII（FDA） | 42HK56048U |
| ChEBI 编号 | CHEBI:58315 |
| FEMA 编号 | 3736 |
| JECFA 编号 | 1434 |
L-tyrosine; tyrosine; 60-18-4; (S)-Tyrosine; (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid; p-Tyrosine; L-p-Tyrosine; 4-Hydroxy-L-phenylalanine; tirosina; Tyrosinum; L-Phenylalanine, 4-hydroxy-; beta-(p-Hydroxyphenyl)alanine; (-)-alpha-Amino-p-hydroxyhydrocinnamic acid; FEMA No. 3736; (S)-alpha-Amino-4-hydroxybenzenepropanoic acid; (S)-(-)-Tyrosine
| 分子量 | 181.19 |
|---|---|
| XLogP3 | -2.3 |
| 氢键供体数 | 3 |
| 氢键受体数 | 4 |
| 可旋转键数 | 3 |
| 精确质量 | 181.07389321 |
| 单同位素质量 | 181.07389321 |
| 拓扑极性表面积 | 83.6 |
| 重原子数 | 13 |
| 形式电荷 | 0 |
L-Tyrosine 的 CAS 号为 60-18-4，分子式 C9H11NO3，分子量 181.07 g/mol。 UNII 42HK56048U; ChEBI 58315; InChIKey OUYCCCASQSFEME-QMMMGPOBSA-N. 熔点: 343; 熔点: 344 °C; 熔点: 343 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
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