Sulfamethoxazole EP

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1 Kilogram	Negotiable

1 Kilogram

Negotiable

Sulfamethoxazole Sulfamethoxazole powder SMz

Product Description


Product name	Sulfamethoxazole
Cas number	723-46-6
Molecular formula	C10H11N3O3S
Molecular weight	253.28
Appearance	White or almost white crystalline powder
Assay	99.0%-101.0%
IR	As per the spectrum of sulfamethoxazole CRS
Melting point	169.0-172.0℃
Appearance of solution	Clear and not more intensely than reference solutionY5, BY5 or GY5
Acidity	Not more than 0.3ml of 0.1M NaOH
Related substances	Impurity A≤0.1%
	Impurity B ≤0.1%
	Impurity C≤0.1%
	Impurity D≤0.1%
	Impurity E≤0.1%
	Impurity F≤0.1%
	Any other impurity≤0.1%
	Total impurities≤0.3%
Heavy metals	≤20ppm
Loss on drying	≤0.5%
Sulphated ash	≤0.1%
Residual solvent	a)Pyridine≤200ppm
	b)Methylene chloride≤100ppm
	c)Methanol≤1000ppm
	d)Acetone≤1000ppm
	e)Toluene≤890ppm
	f)Benzene≤2ppm