55-40-3
55-40-3 structure
- Name: L-Methyldopa
- Chemical Name: 2-methyl-3-(3,4-dihydroxyphenyl)-dl-alanine
- CAS Number: 55-40-3
- Molecular Formula: C10H13NO4
- Molecular Weight: 211.214
- Catalog: Organic raw materials Organic fluorine compound Fluorobenzoic acid series
- Create Date: 2018-03-19 08:00:00
- Modify Date: 2025-08-25 17:49:22
| Name | 2-methyl-3-(3,4-dihydroxyphenyl)-dl-alanine |
|---|---|
| Synonyms |
a-Methyl-L-dopa
α-Methyl-L-dopa Dopegyt 3-(3,4-Dihydroxyphenyl)-2-methyl alanine L-(-)-b-(3,4-Dihydroxyphenyl)-a-methylalanine L-(-)-α-Methyl-β-(3,4-dihydroxyphenyl)alanine L-(-)-a-Methyl-b-(3,4-dihydroxyphenyl)alanine rac Alpha-Methyl DOPA 2-Methyl-3-(3,4-dihydroxyphenyl)-DL-alanine a-Methyl Dopa (+)-α-Methyldopa UNII:33TD13T99R α-Methyl dopa 3-Hydroxy-α-methyltyrosine Tyrosine, 3-hydroxy-α-methyl- L-(a-Md) L-α-Methyldopa (-)-α-Methyldopa 3-Hydroxy-α-methyl-L-tyrosine L-Tyrosine, 3-hydroxy-α-methyl- Dopamet (S)-(-)-a-Methyldopa a-Methyl-b-(3,4-dihydroxyphenyl)-L-alanine Bayer 1440L MFCD00065917 Methyl dopa Aldomet EINECS 200-232-4 l-a-Methyldopa (S)-a-Methyldopa ALDORIL Alanine, 3- (3,4-dihydroxyphenyl)-2-methyl-, L- Methyldopa L-a-Methyl-3,4-dihydroxyphenylalanine (-)-Methyldopa Elanpres |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 441.6±45.0 °C at 760 mmHg |
| Molecular Formula | C10H13NO4 |
| Molecular Weight | 211.214 |
| Flash Point | 220.9±28.7 °C |
| Exact Mass | 211.084457 |
| PSA | 103.78000 |
| LogP | 0.13 |
| Vapour Pressure | 0.0±1.1 mmHg at 25°C |
| Index of Refraction | 1.635 |
| Storage condition | −20°C |
| Hazard Codes | Xi |
|---|---|
| Risk Phrases | 36 |
| Safety Phrases | S26-S37/39 |
| WGK Germany | 3 |
| HS Code | 2916399090 |
|
~%
55-40-3 |
| Literature: Tetrahedron Letters, , vol. 23, # 41 p. 4259 - 4262 |
|
~%
55-40-3 |
| Literature: Tetrahedron Letters, , vol. 23, # 41 p. 4259 - 4262 |
|
~%
55-40-3 |
| Literature: Tetrahedron Letters, , vol. 23, # 41 p. 4259 - 4262 |
|
~%
55-40-3 |
| Literature: Chemical and pharmaceutical bulletin, , vol. 13, # 12 p. 1399 - 1407 |
| Precursor 4 | |
|---|---|
| DownStream 0 | |
| HS Code | 2922509090 |
|---|---|
| Summary | 2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |