Letrozole Diacid Impurity
Buy Letrozole Diacid Impurity (CAS 1644566-39-1) from Zemixal: C17H13N3O4, COA and SDS with every lot, worldwide shipping.
About Letrozole Diacid Impurity
Analytical teams working on Letrozole use Letrozole Diacid Impurity as a qualified comparison standard. Key data (Reference Standard): CAS 1644566-39-1, formula C17H13N3O4 and molar mass 323.3 g/mol. It is handled as a solid.
Where it is used
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Handling and storage
Hazard communication follows GHS (Warning: H351, H361, H362 and H373). Our SDS lists exposure controls and first-aid measures.
Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
See every impurity, metabolite and related compound we list for this API.
Letrozole standardsTypical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | Letrozole Diacid Impurity |
|---|---|
| Catalogue number | ZX-020311 |
| CAS number | 1644566-39-1 |
| IUPAC name | 4-[(4-carboxyphenyl)-(1,2,4-triazol-1-yl)methyl]benzoic acid |
| Molecular formula | C17H13N3O4 |
| Molar mass | 323.3 g/mol |
| Exact mass | 323.0906 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 2.3 |
| H-bond donors / acceptors | 2 / 6 |
| Topological polar surface area | 105 Ų |
| HS code | 38229090 |
| InChIKey | OMYQMDBEDMTHOJ-UHFFFAOYSA-N |
| SMILES | C1=CC(=CC=C1C(C2=CC=C(C=C2)C(=O)O)N3C=NC=N3)C(=O)O |
| PubChem CID | 145710611 |
| Synonyms | Letrozole Diacid, 4,4'-((1H-1,2,4-Triazol-1-yl)methylene)dibenzoic Acid, 4-((4-carboxyphenyl)-(1,2,4-triazol-1-yl)methyl)benzoic acid, Letrozole Impurity 5, 4,4'-(1H-1,2,4-Triazol-1-ylmethylene)bis[benzoic acid], 4,4'-(1h-1,2,4-triazol-1-ylmethylene)bis-benzoic acid, 4,4'-(1H-1,2,4-Triazol-1-ylmethylene)dibenzoic Acid, 4,4'-[(1H-1,2,4-Triazol-1-yl)methylene]dibenzoic acid, 4,4'-((1H-1,2,4-Triazol-1-yl)methylene)dibenzoicacid, 4,4'-(1h-1,2,4-triazol-1-yl)methylenebis(benzoic acid), Benzoic acid, 4,4'-(1H-1,2,4-triazol-1-ylmethylene)bis-, 4-[(4-carboxyphenyl)(1H-1,2,4-triazol-1-yl)methyl]benzoic acid |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H351Suspected of causing cancer
- H361Suspected of damaging fertility or the unborn child
- H362May cause harm to breast-fed children
- H373May causes damage to organs through prolonged or repeated exposure
Precautionary statements P203, P260, P263, P264, P270, P280, P318, P319, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
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.
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