Letrozole EP Impurity B
Buy Letrozole EP Impurity B (CAS 113402-31-6) from Zemixal: C22H13N3, COA and SDS with every lot, worldwide shipping. Exported from India with full paperwork.
About Letrozole EP Impurity B
Zemixal lists Letrozole EP Impurity B for laboratories that identify, quantify or control Letrozole and its related substances. Identity at a glance (Reference Standard): CAS 113402-31-6, formula C22H13N3 and molar mass 319.4 g/mol. It is handled as a solid.
Common uses in the lab and plant
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.
See every impurity, metabolite and related compound we list for this API.
Letrozole standardsTypical uses
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Applications
Grade guides
Specifications and identifiers
| Product name | Letrozole EP Impurity B |
|---|---|
| Catalogue number | ZX-021977 |
| CAS number | 113402-31-6 |
| IUPAC name | 4-[bis(4-cyanophenyl)methyl]benzonitrile |
| Molecular formula | C22H13N3 |
| Molar mass | 319.4 g/mol |
| Exact mass | 319.1109 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 4.5 |
| H-bond donors / acceptors | 0 / 3 |
| Topological polar surface area | 71.4 Ų |
| HS code | 38229090 |
| InChIKey | NIJQDIWAJCTWAB-UHFFFAOYSA-N |
| SMILES | C1=CC(=CC=C1C#N)C(C2=CC=C(C=C2)C#N)C3=CC=C(C=C3)C#N |
| PubChem CID | 29933425 |
| Synonyms | 4,4',4''-Methanetriyltribenzonitrile, Letrozole - Impurity B, Letrozole specified impurity B, Letrozole Impurity B, Benzonitrile, 4,4',4''-methylidynetris-, 4,4',4''-Methylidenetrisbenzonitrile, 4,4',4''-Methylidynetrisbenzonitrile (Letrozole Impurity), 4,4',4''-Methylidynetrisbenzonitrile, 4,44methyledenetrisbenzonitrile, 4,4',4''-tricyanotriphenylmethane, 4,4\',4\'\'-Methylidynetrisbenzonitrile, 4,4',4"-Methyledenetrisbenzonitrile ( Impurity of Letrozole ) |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Letrozole EP Impurity B
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