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alpha-Methyldopa sesquihydrate

alpha-Methyldopa sesquihydrate
alpha-Methyldopa sesquihydrate
CAS No.
41372-08-1
Chemical Name:
alpha-Methyldopa sesquihydrate
Synonyms
C07194;hyperpax;IDI1_000142;Prestwick2_;KBio3_001521;KBio2_006553;KBio2_003985;KBio2_001417;SPBio_001056;KBioGR_000547
CBNumber:
CB7135325
Molecular Formula:
C10H15NO5
Formula Weight:
229.23
MOL File:
41372-08-1.mol

alpha-Methyldopa sesquihydrate Properties

Melting point:
>300 °C(lit.)
storage temp. 
Refrigerator
solubility 
Slightly soluble in water, very slightly soluble in ethanol (96 per cent). It is freely soluble in dilute mineral acids.
form 
neat
optical activity
[α]25/D 13°, c = 1 in H2O
Water Solubility 
0.1-1 g/100 mL at 23 ºC
Sensitive 
Air & Light Sensitive
Merck 
13,6080
BRN 
2417244
Stability:
Stable, but may be light sensitive. Very hygroscopic. Undergoes catalytic oxygenation in the presence of magnesium, cupric, cobalt, nickel and ferric ions. Store under a dry atmosphere.
CAS DataBase Reference
41372-08-1(CAS DataBase Reference)

SAFETY

Risk Statements  20/21-36/37/38-42/43-65
Safety Statements  24/25
WGK Germany  3
RTECS  YP2860000
10-23

alpha-Methyldopa sesquihydrate price More Price(6)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 857416 (?)-3-(3,4-Dihydroxyphenyl)-2-methyl-L-alanine sesquihydrate 99% 41372-08-1 5g $53.7 2018-11-13 Buy
Sigma-Aldrich 1426002 Methyldopa United States Pharmacopeia (USP) Reference Standard 41372-08-1 500mg $352.8 2018-11-13 Buy
Alfa Aesar H56704 (-)-3,4-Dihydroxy-alpha-methyl-L-phenylalanine sesquihydrate, 99% 41372-08-1 1g $11.2 2018-11-15 Buy
Alfa Aesar H56704 (-)-3,4-Dihydroxy-alpha-methyl-L-phenylalanine sesquihydrate, 99% 41372-08-1 5g $43.3 2018-11-15 Buy
Sigma-Aldrich M1500000 Methyldopa European Pharmacopoeia (EP) Reference Standard 41372-08-1 m1500000 $179 2018-11-23 Buy

alpha-Methyldopa sesquihydrate Chemical Properties,Uses,Production

Chemical Properties

White Solid

Uses

Antihypertensive agent

Uses

Potent inhibitor of invertase and glucosidase inhibitor with a different specificity of action to DNJ and castanospermine. Inhibits glucosidase I.?

Purification Methods

Recrystallise methyldopa from H2O. [Reinhold et al. J Org Chem 33 1209 1968.] The L-isomer forms a sesquihydrate from H2O m 302-304o (dec), and the anhydrous crystals are hygroscopic,[] 23D -4.0o (c 1, 0.1N HCl), []546 +154.5o (c 5, CuSO4 solution). It has max at 281nm ( 2780). Its solubility in H2O at 25o is ~10mg/mL and the pH of an aqueous solution is ~5.0. It is insoluble in most organic solvents. [Stein et al. J Am Chem Soc 77 700 1955, Beilstein 4 IV 2505.]

alpha-Methyldopa sesquihydrate Preparation Products And Raw materials

Raw materials

Preparation Products


alpha-Methyldopa sesquihydrate Suppliers

Global( 149)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733 sales@mainchem.com CHINA 32651 55
Nanjing ChemLin Chemical Industry Co., Ltd.
025-83697070;product@chemlin.com.cn
product@chemlin.com.cn CHINA 3015 60
Casorganics US Corp
+17326109938
sales@casorganics.com CHINA 138 58
Hubei Jusheng Technology Co.,Ltd.
86-155-27864001
peter@hubeijusheng.com CHINA 18004 58
Chemwill Asia Co.,Ltd.
86-21-51086038
86-21-51861608 chemwill_asia@126.com;sales@chemwill.com;chemwill@hotmail.com;chemwill@gmail.com CHINA 10967 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 19990 58
Sinfachem Limited +86 (25) 84683399
+86 (25) 84683112 sinfachem@foxmail.com,sinfachemltd@foxmail.com,info@sinfachem.com China 240 56
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933 jkinfo@jkchemical.com;market6@jkchemical.com China 96815 76
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 saleschina@alfa-asia.com China 30291 84
TAIYUAN RHF CO.,LTD. +86 351 7031519
+86 351 7031519 sales@RHFChem.com China 2362 56

View Lastest Price from alpha-Methyldopa sesquihydrate manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-20 alpha-Methyldopa sesquihydrate
41372-08-1
US $1.00 / kg 1kg 98% 100KG career henan chemical co

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