Catalog No. Size 价格库存数量
S2319-2 Solid 2 mg ¥75
S2319-10 Solid 10 mg ¥225


Letrozole, also known as CGS-20267, is a nonsteroidal inhibitor of estrogen synthesis with antineoplastic activity. As a third-generation aromatase inhibitor, letrozole selectively and reversibly inhibits aromatase, which may result in growth inhibition of estrogen-dependent breast cancer cells. Aromatase, a cytochrome P-450 enzyme localized to the endoplasmic reticulum of the cell and found in many tissues including those of the premenopausal ovary, liver, and breast, catalyzes the aromatization of androstenedione and testosterone into estrone and estradiol, the final step in estrogen biosynthesis.

Product information

CAS Number: 112809-51-5

Molecular Weight: 285.30

Formula: C17H11N5

Chemical Name: 4-[(4-cyanophenyl)(1H-1,2,4-triazol-1-yl)methyl]benzonitrile

Smiles: N#CC1C=CC(=CC=1)C(C1C=CC(=CC=1)C#N)N1C=NC=N1


InChi: InChI=1S/C17H11N5/c18-9-13-1-5-15(6-2-13)17(22-12-20-11-21-22)16-7-3-14(10-19)4-8-16/h1-8,11-12,17H

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥360 days if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

Products are for research use only. Not for human use.


Recently viewed