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　　"English name" Vitamin B6 actos drugs alias 】 【 sheen, pyrazole compound, Pyridoxine

　　Contains a chemical properties 】 【 pyridoxine or pyridoxal and pyridoxamine B vitamins. Stable in acid solution, easy damage in lye, and pyridoxine heat-resistant, pyridoxal and pyridoxamine is not resistant to high temperature.

　　Vitamin B6 for physical properties 】 【 colorless crystals, soluble in water and ethanol.

　　"China pharmacopoeia" [formula 1] C₈H₁₁NO₃ · HCl

　　2] [formula is commonly used formula C₈H₁₀NO₅P

　　3] [formula is pyridoxine C₈H₁₁NO₃

　　4] [formula is pyridoxal C₈H₉NO₃

　　5] [formula is pyridoxamine C₈H₁₂N₂O₂

　　"CAS number" 65-23-6

　　EINECS no. 277-913-8 】

　　The goods is 6 - methyl - 5 - hydroxy - 3, 4 pyridine hydrochloride, two methanol, according to the drying crystal measurement including C8H11NO3 · HCl 98.0% - 102.0%character The goods is white or kind of white crystalls or crystal powder, odourless, taste bitter, acid with light gradually metamorphism. Soluble in water, slightly soluble in ethanol, insoluble in chloroform or ether.

　　Take the goods 1.0 g acidity, adding water 20 ml dissolved, measured PH should be 2.40 to 2.40.

Dry weight loss Pick up the goods, under the condition of 105 ℃ drying to constant weight, lose weight reduction should not exceed 0.5%

　　Ignition residue should not exceed 0.1%

　　Heavy metals shall not exceed 10 PPM

　　Vitamin B6 (Vitamin B6), also known as pyrazole compound, which include pyridoxine, pyridoxal and pyridoxamine, exists in the form of phosphate in the body, is a kind of water-soluble vitamins, light or alkali easy damage, not resistant to high temperature. In 1936 entitled vitamin B6. Vitamin B6 colorless crystals, soluble in water and ethanol, stable in acid solution, easy damage in lye, and pyridoxine heat-resistant, pyridoxal and pyridoxamine is not resistant to high temperature. Vitamin B6 in yeast, liver, grain, meat, fish, eggs, beans and is found in peanut. The constituents of vitamin B6 in human body some coenzyme involved in various metabolic reactions, especially there is a close relationship and amino acid metabolism. Clinical application of vitamins B6, prevention and treatment of pregnancy vomiting and radiation sickness vomiting.