3-methoxy-alpha-methyl-L-tyrosine
- CAS No.
- 6739-31-7
- Chemical Name:
- 3-methoxy-alpha-methyl-L-tyrosine
- Synonyms
- (S)-2-Amino-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic acid;Einecs 229-797-5;Methyldopa IMpurity A;Methyldopa EP Impurity A;3-O-Methyl-L-α-methyldopa;3-Methoxy-α-methyl-L-tyrosine;L-Tyrosine, 3-methoxy-α-methyl-;3-methoxy-alpha-methyl-L-tyrosine;Tyrosine, 3-methoxy-alpha-methyl-, L-;[S,(+)]-3-Methoxy-α-methyl-L-tyrosine
- CBNumber:
- CB1934429
- Molecular Formula:
- C11H15NO4
- Molecular Weight:
- 225.24
- MDL Number:
- MFCD18695608
- MOL File:
- 6739-31-7.mol
- MSDS File:
- SDS
| Melting point | 310 °C |
|---|---|
| Boiling point | 407.8±45.0 °C(Predicted) |
| Density | 1.279±0.06 g/cm3(Predicted) |
| pka | 2.28±0.26(Predicted) |
| Major Application | pharmaceutical (small molecule) |
| InChI | 1S/C11H15NO4/c1-11(12,10(14)15)6-7-3-4-8(13)9(5-7)16-2/h3-5,13H,6,12H2,1-2H3,(H,14,15)/t11-/m0/s1 |
| InChIKey | BQHWFYPBSKGBMV-NSHDSACASA-N |
| SMILES | COc1cc(C[C@](C)(N)C(O)=O)ccc1O |
| FDA UNII | 87SI2AOH39 |
| UNSPSC Code | 41116107 |
| NACRES | NA.24 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H302-H319 |
| Precautionary statements | P264-P270-P280-P301+P312-P305+P351+P338-P337+P313 |
| Hazard Codes | Xn |
| Risk Statements | 22-36 |
| Safety Statements | 26 |
| WGK Germany | WGK 3 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Acute Tox. 4 Oral Eye Irrit. 2 |
3-methoxy-alpha-methyl-L-tyrosine price More Price(8)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 1430509 | 3-O-Methylmethyldopa United States Pharmacopeia (USP) Reference Standard | 6739-31-7 | 50mg | $1350 | 2026-04-30 | Buy |
| Biosynth | FM160304 | 3-Methoxy-alpha-Methyl-L-Tyrosine | 6739-31-7 | 5mg | $900 | 2026-06-04 | Buy |
| Biosynth | FM160304 | 3-Methoxy-alpha-Methyl-L-Tyrosine | 6739-31-7 | 2mg | $900 | 2026-06-04 | Buy |
| Biosynth | FM160304 | 3-Methoxy-alpha-Methyl-L-Tyrosine | 6739-31-7 | 1mg | $900 | 2026-06-04 | Buy |
| Biosynth | FM160304 | 3-Methoxy-alpha-Methyl-L-Tyrosine | 6739-31-7 | 10mg | $1038.4 | 2026-06-04 | Buy |
3-methoxy-alpha-methyl-L-tyrosine Chemical Properties,Uses,Production
Uses
3-Methoxy-α-methyl-L-tyrosine is a metabolite of methylenedioxyamphetamine (M303965).
Uses
3-Methoxy-α-methyl-L-tyrosine (Methyldopa EP Impurity A) is a metabolite of methylenedioxyamphetamine (M303965).
Definition
ChEBI: 3-methoxy-alpha-methyl-L-tyrosine is an L-tyrosine derivative in which the tyrosine skeleton is substituted with a methoxy group at C-3 of the phenyl ring and with a methyl group at the alpha carbon. It can also be regarded as a 3-O-methyl,alpha-methyl derivative of L-dopa. It is functionally related to an alpha-methyl-L-dopa.
3-methoxy-alpha-methyl-L-tyrosine Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| S.Z. PhyStandard Bio-Tech. Co., Ltd. | 0755-4000505016 13380397412 | 3001272453@qq.com | China | 5000 | 50 |
| Quality Control Solutions Ltd. | 0755-66853366 13670046396 | orders@qcsrm.com | China | 18188 | 56 |
| Hubei Yangxin Medical Technology Co., Ltd. | 15374522761 | 3003392093@yongstandards.com | China | 9995 | 55 |
| Shenzhen Polymeri Biochemical Technology Co., Ltd. | +86-400-002-6226 | sales@rrkchem.com | China | 57336 | 58 |
| TOSUN PHARM | 020-66392521-118 18922260391 | 3004261881@qq.com | China | 7994 | 58 |
| Guangzhou Dreampharm Biotechnology Co., Ltd. | 020-36607679; 13502246435 | 3008233746@qq.com | China | 9968 | 12 |
| Yangzhou Changhua Biotechnology Co., Ltd. | 15189846850 13815846020 | 710163098@qq.com | China | 950 | 58 |
| Meng Cheng Technology (Shanghai) Co., LTD | 400-820-6829 | sales@mitachieve.com | China | 8857 | 58 |
| Molcoo Chemicals Inc. | 18627923403 | 3001039764@qq.com | China | 8367 | 58 |
View Lastest Price from 3-methoxy-alpha-methyl-L-tyrosine manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-03-12 | Methyldopa EP Impurity A
6739-31-7
|
10mg | 98% | 500mg | ShenZhen H&D Pharmaceutical Technology Co., LTD |
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- Methyldopa EP Impurity A
6739-31-7
- 98%
- ShenZhen H&D Pharmaceutical Technology Co., LTD





