DL-METHIONINE METHYLSULFONIUM CHLORIDE
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DL-METHIONINE METHYLSULFONIUM CHLORIDE
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CAS No:
1115-84-0
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Formula:
C6H14ClNO2S
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Chemical Name:
DL-METHIONINE METHYLSULFONIUM CHLORIDE
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Synonyms:
(3-amino-3-carboxypropyl)dimethyl-,chloride,(s)-sulfoniu;(3-amino-3-carboxypropyl)dimethyl-,chloride,l-sulfoniu;(3-amino-3-carboxypropyl)dimethyl-,chloride,L-Sulfonium;VITAMIN U;VITAMIN U CHLORIDE;ardesyl;cabagin;cabaginu
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CAS No:
Description
Naturally occurs as the L-form in a variety of vegetables. Although used in food as a flavoring ingredient in fish products, it has also been used therapeutically in the treatment of peptic ulcers, colitis and gastritis.
ChEBI: Methylmethionine sulfonium salt is an organic molecular entity.
Likely impurities are methionine, methionine sulfoxide and methionine sulfone. Crystallise Vitamin U from water by adding a large excess of EtOH. It is hygroscopic. It should be stored in a cool, dry place and protected from light. It has also been purified on a column of Dowex 50 H+ form, washed with H2O and eluted with 6N ammonia, lyophilised, the residue is dissolved in dilute HCl, lyophilised again and then it is obtained as colourless prisms by vapour diffusion of Et2O in a 1:1 (v/v) mixture of MeOH/EtOH in which the hydrochloride is dissolved [Del Re Acta Cryst B 33 3289 1977]. The iodide salt, m ~ 150o(dec), is obtained by dissolving it in 50% aqueous EtOH and adding ~3.5 volumes of absolute EtOH. The bromide salt has m 140o(dec) [Toennies & Kolb J Amer Chem Soc 67 849 1945].
DL-METHIONINE METHYLSULFONIUM CHLORIDE Basic Attributes
199.7
199.04300
214-231-1
White to Off-White
2930909090
Characteristics
88.62000
1.16860
White crystalline powder;; characteristic cabbage taste and aroma
134 °C (decomp)
Soluble in water; Insoluble in fat
LD50 oral in rat: > 6gm/kg
at 100.00 %. malty tomato potato sulfury green
Hygroscopic, Refrigerator, Under inert atmosphere
Safety Information
III
3
UN 1134 3/PG 3
2
R10:Flammable. R20:Harmful by inhalation. R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment . R40:Limited evidence of a carcinogenic effect. R39/23/24/25:Toxic: danger of very serious irreversible effects thr
S24/25-S61-S36/37-S45
CZ0175000
Xn,N,T,F
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501
H315
Chloride: Ardesyl (Beytout, France), withdrawn from the market; Cabagin (Kowa, Japan). Iodide: Lobarthrose (Opodex, France), withdrawn from the market.
DL-METHIONINE METHYLSULFONIUM CHLORIDE Use and Manufacturing
A derivative of L-Methionine (M260440). Naturally occurring sulfonium compound found in a large number of plants. Identification of antiulcer vitamin in cabbage leaves. Antiulcerative.
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DL-METHIONINE METHYLSULFONIUM CHLORIDE
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