Caspofungin acetate

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1 Kilogram	FOB Price: USD 1.0000

1 Kilogram

FOB Price: USD 1.0000

179463-17-3 Cancidas Caspofungin acetate

Name:Caspofungin acetate

CAS:179463-17-3

Appearance:White powder

Application: Pharmaceutical Raw Intermediates

Item	Specifications	Result
Appearance	White or almost white powder	Off white powder
Indentification	HPLC:The retention time of principle peak obtained from Test solution should conform with that obtained from Standard solution, as test in Assay	Conforms
Indentification	IR: Spectrum of Test sample should conform to that of Caspofungin Acetate Reference Standard	Conforms
Specific Optical Rotation	-102.0°~108.0 °	-105.3°
PH	5.0~7.0	6.5
Water	10.0%	7.5%
Solution color and clarity	Solution should be clear colorless	Conforms
Related substances I	Impurity A: NMT 0.10%	ND
	Impurity B: NMT 0.10%	ND
	Impurity D: NMT 0.30%	0.17%
	Impurity E: NMT 0.10%	ND
	Unspecified impurity F: NMT 0.10%	0.03%
	Unspecified impurity G: NMT 0.10%	ND
	Pneumocandin B0: NMT 0.10%	ND
	Each of unspecified impurity : NMT 0.10%	0.04%
	Total impurity: NMT 1.0%	0.24%
Related substances II	Impurity C: NMT 0.10%	0.03%
Acetic acid	9.0%~11.0%(calculated on anhydrous basis)	10.1%
Heavy Metal as Pb	NMT 10ppm	Conforms