Artemether Usp API

We are offering artemether usp api .
Product name:artemether usp
cas no: 71963-77-4
category:-chemotherapeutic agents
sub category:-antimalarial drugs
uses:antimalarial
molecular weight:298.374
molecular formula:c16h26o5 
chemical name:(3r,5as,6r,8as,9r,10s,12r,12ar)-10-methoxy-3,6,9-trimethyldecahydro-12h-3,12-epoxy[1,2]dioxepino[4,3-i]-2-benzopyran
specifications:
1.name of product: artemether
2.appearance:-white crystaline powder.
3.solubility:- practically insoluble in water very soluble in dichloromethane r and acetone r freely soluble in ethyl acetate r and dehydrated ethanol
4.melting point:- between 86`c and 90`c
5.specific optical rotation at 20`c:- between 166`c and 173`c
6.sulphated ash:- nmt 0.10%
7.loss on drying :- nmt 0.50%
8.identificaion:-hplc ir