LevonorgestrelLevonorgestrel 
Synonyms: 17-ethynyl-18-methyl-19-nortestosteron 
CAS: 797-63-7 
EINECS: 212-349-8 
Assay: 98.0-102.0%, USP34
Packing: foil bag or tin.
Delivery: Express courier.
Character: White crystalline powder.
Usage: An emergency contraceptive. Levonorgestrel is safe, tolerated and effective in emergency contraception in woman.