Vecuronium bromide/ CAS NO.50700-72-6

Product Details

Norcuron; (+)-1-(3,17-Diacetoxy-2-piperidino-5-androstan-16-yl)-1-methylpiperidinium bromide
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certificate of analysis

inspection items	accepted standard	results
appearance	white or almost white crystals crystalline powder	complies
identification	by ir, to match with working standard	complies
	specific optical rotation	complies
	3. it gives a reaction of bromides	complies
solubility	slightly soluble in water and acetone， sparingly soluble in alcohol.	complies
appearance of the sloution	the solution is clear and not more intensely coloured than reference solution by7	complies
specific optical rotation	+30.5° ～ +35.0°	+33.2°
loss on drying	≤4.0%	1.37%
related substance	impurities a ≤0.25%	0.09
	impurities c≤0.25%	complies
	impurities d≤0.25%	0.48%
	impurities e≤0.25%	0.13%
	impurity b: ≤0.25%	complies
	unspecified impurity: for each impurity ≤0.10%	complies
	total impurity: ≤0.70%	0.55%
residue on ignition	≤0.1%	0.08%
endotoxin	≤10eu/mg	8
residual solvents	methylene chloride ≤600ppm	complies
	methanol≤3000ppm	complies
	acetone ≤5000ppm	complies
assay	99.0%～101.0%	99.61%
conclusion ：complies to the ep6.0

analyst : liuhuaying checker:shilijuan supervisor :maohongjun

identification
name		vecuronium bromide
synonyms		norcuron; (+)-1-(3,17-diacetoxy-2-piperidino-5-androstan-16-yl)-1-methylpiperidinium bromide

molecular structure

molecular formula		c₃₄h₅₇brn₂o₄
molecular weight		637.74
cas registry number		50700-72-6
einecs		256-723-9