Clindamycin HCL, CAS 21462-39-5

Min.Order Quantity: Up to request

Port: Main Port of China

Payment Terms: L/C,D/A,D/P,T/T,WU,PAYPAL,TRADE ASSURANCE

Packing: Drum, IBC, BAG or As Per Request

CAS No.: 21462-39-5

Appearance: White powder

Specification: USP41

Packing: 25kg/Drum

Product Detail

Test items	Specification	Results
Appearance	White or almost white crystalline powder	White crystalline powder
Identification IR HPLC	IR spectrum should correspond to that of the reference standard Retention time of the sample should be consistent with the reference	Conform Conform
Crystallinity	Should meet the requirement	Conform
pH	3.0～5.5	4.2
Water	3.0～6.0%	3.9%
Related substances Clindamycin B(RRT at 0.65) 7-Epi Clindamycin(RRT at 0.8) Individual unknown impurity Total impurities	NMT 2.0% NMT 4.0% NMT 1.0% NMT 6.0%	0.2% 0.1% 0.2% 0.7%
Residual Solvents Acetone Ethanol N,N-dimethyformamide Chloroform	NMT 3000ppm NMT 3000ppm NMT 500ppm NMT 30ppm	118ppm ND ND ND
Tapped Density(in-house)		894.3mg/ml
Loose Density(in-house)		545.3mg/ml
Assay (On anhydrous basis)	NLT 800μg/mg	904μg/mg
Conclusion	The product conforms with USP41.