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Vitamin B12

Vitamin B12
  • Vitamin B12
Product code: 23801500001
Unit price: 120 CNY  (17.45 USD)
Price unit: Per piece
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English name : VB12; Cyanocobalamin; Vitamin B12; Cyanocob (III) alamin; α- (56-Dimethylbenzimidazolyl) cyanocobamide
Other names : Vitamin B 12; cyanocobalamin; vitamin B12; cyano- cobalamin; cobalamin
CAS: 68-19-9
C63H88CoN14O14P = 1355.38

Level : BR
Content : ≥98.0%
Identification: Qualified
Loss on drying : ≤12.0%
Related substances : ≤3.0%
Traits : Dark red crystalline powder odorless, tasteless, light -sensitive hygroscopic in the air can absorb 12% of its hydrous crystalline stable moisture in the air when the mere mention of the deep 210 ~ 220 ℃, 300 ℃ does not. .. melting. their solution was neutral, the most stable in the pH 4.5 to 5:00. 1g dissolved in about 80ml water, soluble in alcohol, insoluble in acetone, chloroform and ether. Specific rotation -59 ° ± 9 ° ( a dilute aqueous solution) The maximum absorption wavelength (in water ) 278361550nm (A1% 1cm 11520464). The minimum lethal dose (rat, intraperitoneally ) 1364mg / kg
Use: Biochemical studies of tissue culture
Save : 2 ~ 8 ℃, dark