High quality Oncology drug BP / EP Letrozole supplier in China CAS NO.112809-51-5

high quality oncology drug bp / ep letrozole supplier in china

product name: letrozole

synonyms:4,4'-(1h-1,2,4-triazol-1-ylmethylene) bis-benzonitrile

cas no.:112809-51-5

molecular formula:c17h11n5

molecular weigh:285.31

property:white to off white crystalline powder.melting point:181°c~183°c.

usage:antineoplastic drug,letrozole is a new generation of selective aromatase inhibitors, for the artificial synthesis of benzyl triazole derivative, inhibit aromatase, decreased estrogen levels, thereby eliminating stimulation of estrogen on tumor growth.

sunsanta
we are one of the leading exporters in china in the fields of active pharma
ingredients including oncology drug, prostaglandin, anti-hiv drug, cardiovascular
drug, diabetes drug, anti-inflammatory drug, urinary system drug, cosmetics peptide
and intermediate, dyestuff & pigment and kinds of package materials.
we specialize in synthesis of novel organic compounds, process development
and manufacturing of pharmaceutical and fine organic chemicals from gram to kilogram quantity.
we supply
1.in very competitive price;
2.quality guaranteed;
3.fast delivery;
4.payment:l/c;d/p;tt;;paypal.
5.on-time shipment and pre-shipment product quality safeguards.