Letrozole impurity C

SL-6493

Letrozole impurity C, >98%

CAS No. : [112809-25-3]

MDL No. : MFCD07368016

IUPAC Name : 4-((1H-1,2,4-Triazol-1-yl)methyl)benzonitrile

Price And Availability
Pack Size	Price in USD	Add To Shopping Cart	Availability	Shipping Status
1G	40.00		Back Order	Estimated to ship on 20 September 2026
5G	165.00		Back Order	Estimated to ship on 20 September 2026
10G	315.00		Back Order	Estimated to ship on 20 September 2026
25G	465.00		Back Order	Estimated to ship on 20 September 2026

Applications : This is an impurity of Letrozole, which is a third generation inhibitor of aromatase, used in the treatment of hormonally-responsive breast cancer after surgery.

References : Haynes B. P. et al.: J. Steroid Biochem Mol Biol., 87(1), 35-45, 2003; Bhatnagar A. S. et al.: J. Steroid Biochem Mol Biol., 37(6), 1021-1027, 1990; Mitropoulou T. N. et al.: Int. J. Cancer., 104(2), 155-160, 2003; Dellapasqua S. et al.: Expert Opin Drug Metab Toxicol., 6(2), 251-259, 2010; Lee K. et al.: Int J Cancer., 62(3), 297-302, 1995; Steele R. E. et al.: Steroids, 50(1-3), 147-161, 1987.

Storage : Keep container tightly closed under nitrogen or argon and refrigerate for long-term shelf life.

Caution : In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing and gloves.