Y0002184

Letrozole impurity A

European Pharmacopoeia (EP) Reference Standard

• Synonym(s): 4,4′-(4H-1,2,4-Triazol-4-ylmethylene)bisbenzonitrile, 4,4′-(1H-1,3,4-Triazol-1-ylmethylene)dibenzonitrile
• Empirical Formula (Hill Notation): C₁₇H₁₁N₅
• CAS Number: 112809-52-6
• Molecular Weight: 285.30
• UNSPSC Code: 41116107
• NACRES: NA.24

Properties

• API family: letrozole
• manufacturer/tradename: EDQM
• application(s): pharmaceutical
• storage temp.: 2-8°C
• SMILES string: [n]3(cnnc3)C(c2ccc(cc2)C#N)c1ccc(cc1)C#N
• InChI: 1S/C17H11N5/c18-9-13-1-5-15(6-2-13)17(22-11-20-21-12-22)16-7-3-14(10-19)4-8-16/h1-8,11-12,17H
• Inchi Key: BCTXUGAAOFIJGX-UHFFFAOYSA-N

Description

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Letrozole impurity A EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

Safety Information

• pictograms: GHS08
• signalword: Warning
• hcodes: H361fd,H373
• pcodes: P201 - P202 - P260 - P280 - P308 + P313 - P405
• Hazard Classifications: Repr. 2 - STOT RE 2
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable