DL-Methionine Methylsulfonium Chloride, Vitamin U

(2024年04月01日)

https://www.gihichem.com/products/dl-methionine-methylsulfonium-chloride-vitamin-u-cas-no-3493-12-7/

Vitamin U is a term introduced in the early 1950s to identify a compound in cabbage juice. Examples of methionine derivatives often called vitamin U include S-methylmethionine (SMM), methylmethionine sulfonium (SMM), and 3-amino-3-carboxypropyl dimethylsulfonium. Vitamin U is available not only as a kind of bulk raw materials for dietary supplements but also found naturally in various foods, particularly cruciferous vegetables like cabbage, broccoli, Brussel sprouts, and kale.

Synonym

Methyl-Methioninesulphoniumchloride;dl methionine methylsulfonium chloride; Dl-Methioninemethylsulfoniumchloride;Dl-(3-Amino-3-Carboxyprchemicalbookopyl)Dimethylsulfoniumchloride;S-Methylmethioninesulfoniumchloride;S-Methyl-Dl-Methionine-Sulfoniumchloride; Vitaminuchloride; Vitamin U

Parameters of DL-Methionine Methylsulfonium Chloride, Vitamin U
ItemSpecificationResults
AppearanceWhite Crystalline Powder, SmellyConforms
Melting Point134-137℃Conforms
Identification1 2 Chemical Reaction, Positive ReactionConforms
Heavy Metals≤20PPMConforms
Methanol Residue≤0.3%Conforms
Residue On Ignition≤0.2%0.1%
Loss On Drying≤3.0%1.8%
Assay(Calculated On The Anhyrrous
Substance)≥98.0%99.1%
Aerobic Microbial Count<1000CFU/g<10CFU/g
Yeast&Mold<1000CFU/g<10CFU/g
E.ColiNegativeNegative

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