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Vitamin U

Vitamin U DL-METHIONINE METHYLSULFONIUM CHLORIDE

Basic Information

Synonyms: Methionine Methyl iodide

CAS#: 3493-12-7

Description

Vitamin U DL-METHIONINE METHYLSULFONIUM CHLORIDE

Basic Information

Synonyms: Methionine Methyl iodide

CAS#: 3493-12-7

EINECS No: 222-484-4

Molecular Formula: C6H14ClNO2S

Molecular Weight: 199.7

 

AppearanceWhite PowderQualified
Assay by G.C98.0—102.0%98.8%
IdentityCorrespondsQualified
Infrared spectrumMeets EP requirementQualified
Option rotation-0.01°~ +0.01°Qualified
Density(20°C)0.952—0.966g/ml0.955g/ml
Refractive index(20°C)1.494—1.4981.496
Related substancesImpurities A, C: for each impurity ≤ 0.5%

Impurity B ≤ 1.5%

Sum of impurity D+E ≤ 1.0%

Any other impurities: Meet EP requirements

Total impurities: ≤ 2.5%

Qualified
Absorbance in ethanol:

At about 284nm (max)

At about 254nm (min)

 

42.0—45.0

7.5—9.0

 

44.0

8.8

AcidityMax.1.0ml of 0.1 N NaOH0.04 ml
Sulphated ashes≤0.1%0.03%
Heavy metals≤10ppm<5ppm
Lead≤2ppm0.04ppm
Arsenic≤3ppm<1ppm
Free tocopheryl≤1.0%0.35%
Organic volatile impuritiesMeets USP requirementsQualified

Main Function and Usage

A vitamin found in green vegetables. It is used in the treatment of peptic ulcers, colitis, and gastritis and has an effect on secretory, acid-forming, and enzymatic functions of the intestinal tract.The Vitamin U was termd from the fact that a very small quantity of this compound was effective for the medical treatment of the gastric ulcer. From the word ulcer came letter “U”. But the Vitamin U isn’t vitamin, but it is a derivativ of the acid methionin. It strengthens the immunsystem of human, animal, and plant cells. Protects from damage the membran systems of living sells (the walls cellorganels, etc). Moreover the damage can be stopped and can easily be regenerated.

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