Derivative Type: Monohydrate
Properties: Crystals from alc contg some HCl, dec 240-244°. mp 238-240° from abs ethanol. uv max: 242 nm. Soluble in water. pH of 0.3% soln 2.23. The dry substance is very stable.
Melting point: mp 238-240° from abs ethanol
Absorption maximum: uv max: 242 nm
Derivative Type: Free ester tetrahydrate
Percent Composition: C 29.04%, H 5.28%, N 11.29%, O 35.46%, P 12.48%, S 6.46%
Literature References: Prepn: Wenz et al.,
US
2991284 (1961 to E. Merck).
Properties: Dec 220-225°.
Derivative Type: Thiamine monophosphate
CAS Registry Number: 532-40-1
CAS Name: 3-[(4-Amino-2-methyl-5-pyrimidinyl)methyl]-4-methyl-5-[2-(phosphonooxy)ethyl]thiazolium chloride
Additional Names: thiamine monophosphate chloride
Percent Composition: C 37.85%, H 4.76%, Cl 9.31%, N 14.71%, O 16.81%, P 8.13%, S 8.42%
Literature References: Prepd by sulfuric acid hydrolysis of thiamine diphosphate: Lohmann, Schuster, loc. cit.
Properties: Monohydrate; prisms from dil acetone or water, mp ~200°. Freely sol in water.
Melting point: mp ~200°
Therap-Cat: Vitamin (enzyme cofactor).
Keywords: Enzyme Cofactor; Vitamin/Vitamin Source; Vitamin B1.
产品链接: 154-87-0››