Product

Raw material supplier

Vitamin U (Methylmethionine Sulfonium Chloride)

CAS:3493-12-7 Methylmethionine Sulfonium Chloride Vitamin U 98%

Tests Items

Requirements

Description

Should be white crystalline powder, special smell. Easily lead in the air humidity, light and heat instability

m.p.

Should be 134-137℃,melting with decomposition

 

Identification

 

(1)Chemical reaction

Should be positive reaction

(2)Chemical reaction

Should be positive reaction

Test

 

Loss on drying

≤3.0%

Residue on ignition

≤0.2%

Heavy Metal

≤20ppm

Microbial Limit

 

Bacterial count

≤ 1000cfu /g

Yeast and mold count

≤100cfu/g

E.coli

Shouldn’t found

Assay

It should contain not less than 98.0% of (C6H14ClNO2S),calculated on dry substance.