ChemicalBook CAS DataBase List 55-40-3

55-40-3

Name	2-METHYL-3-(3,4-DIHYDROXYPHENYL)-DL-ALANINE
CAS	55-40-3
EINECS(EC#)	200-232-4
Molecular Formula	C10H13NO4
MDL Number	MFCD00065917
Molecular Weight	211.21
MOL File	55-40-3.mol

Synonyms

2-METHYL-3-(3,4-DIHYDROXYPHENYL)-DL-ALANINE 3-(3,4-DIHYDROXYPHENYL)-2-METHYL ALANINE (+/-)-3-(3,4-DIHYDROXYPHENYL)-2-METHYL-DL-ALANINE ALPHA-METHYL-DL-BETA-3,4-DIHYDROXYPHENYLALANINE DL-ALPHA-METHYL-DOPA DL-A-METHYL DOPA DL-METHYLDOPA METHYLDOPA TIMTEC-BB SBB000508 3-hydroxy-alpha-methyltyrosine DL-Methyldopa sesquihydrate alpha-Methyl DL-DOPA 3-Hydroxy-a-methyl-tyrosine Mulfasi rac a-Methyl DOPA Alanine, 3-(3,4-dihydroxyphenyl)-2-methyl-(6CI, 8CI) DL-2-Methyl-3-(3,4-dihydroxyphenyl)alanine DL-a-Methyl-3-(3,4-dihydroxyphenyl)alanine Racemic a-methyldopa Tyrosine, 3-hydroxy-a-methyl-(9CI)

Chemical Properties

Melting point	300-301 °C (decomp)
Boiling point	441.6±45.0 °C(Predicted)
density	1.403±0.06 g/cm3(Predicted)
storage temp.	−20°C
solubility	DMSO (Slightly), Water (Slightly)
form	Solid
pka	2.28±0.26(Predicted)
color	Grey
Usage	Antihypertensive agent
CAS DataBase Reference	55-40-3(CAS DataBase Reference)

Safety Data

Hazard Codes	Xi
Risk Statements	R36:Irritating to the eyes. less more
Safety Statements	S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S36/37:Wear suitable protective clothing and gloves . less more
WGK Germany	3

Hazard Information

Well-known Reagent Company Product Information

Supplier

J & K SCIENTIFIC LTD.

Telephone18210857532 18210857532

Websitehttps://www.jkchemical.com

3B Pharmachem (Wuhan) International Co.,Ltd.

Telephone 18930552037

Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0_EN.htm

Shanghai Hanhong Scientific Co.,Ltd.

Telephone021-54306202 13764082696

Websitehttps://www.hanhongsci.com

Chemsky（shanghai）International Co.,Ltd.

Telephone021-50135380

Websitehttp://www.shchemsky.com

Beijing HuaMeiHuLiBiological Chemical

Telephone010-56205725

Websitehttp://www.huabeibiochem.com/

Sichuan Wei Keqi Biological Technology Co., Ltd.

Telephone028-81700200 18116577057

Websitehttps://www.weikeqi-biotech.com/

Amatek Scientific Co. Ltd.

Telephone0512-56316828 400-867-5858;400-867-5858

Websitehttp://www.amateksci.com

Aikon International Limited

Telephone025-58859352 19370895928

Websitehttp://www.aikonchem.com

Shenzhen Polymeri Biochemical Technology Co., Ltd.

Telephone+86-400-002-6226

Websitehttps://www.rrkchem.com

Shaanxi Dideu Medichem Co. Ltd

Telephone+86-29-87569266 +86-17392581500

Websitehttps://www.chemicalbook.com/manufacturer/shaanxi-dideu-medichem-220/

Shanghai Hewu Biotechnology Co., LTD

Telephone021-57886085 17317861055

Websitehttp://www.shhebio.com/

Energy Chemical

Telephone021-58432009 400-005-6266

Websitehttp://www.energy-chemical.com

Shijiazhuang Ruitian Biochemical Co. Ltd

Telephone 15831127780

Websitehttps://www.rtsh.cn

Shaanxi DIDU pharmaceutical and Chemical Co., Ltd

Telephone029-029-029-81148696 18161915376

Websitehttp://www.dideu.cn

TargetMol Chemicals Inc.

Telephone4008200310 15002144251

Websitehttps://www.targetmol.cn/

LGC Science (Shanghai) Ltd.

Telephone17717235263 17717235263

Websitehttps://www.lgcstandards.com/CN/en/

Mainchem Co., Ltd.

Telephone+86-0592-6210733

Websitehttps://www.mainchem.com

DAYANG CHEM (HANGZHOU) CO.,LTD

Telephone+86-88938639 +86-17705817739

Websitewww.dycnchem.com

1of4

Related Products

Send Inquriy

55-40-3

Chemical Properties

Safety Data

Hazard Information

Chemical Properties

Uses

Uses

Definition

Well-known Reagent Company Product Information

Supplier

Related Products