Piroxicam EP Impurity B
Piroxicam EP Impurity B (CAS 65897-46-3) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-022527.
About Piroxicam EP Impurity B
Piroxicam EP Impurity B belongs to the Piroxicam reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 65897-46-3, formula C14H11N3O4S and molar mass 317.32 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
Handling and storage
Classified under GHS with signal word Danger and hazard statements H301, H361 and H373. Read the SDS before first use.
Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with 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.
Piroxicam standardsTypical uses
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Applications
Grade guides
Specifications and identifiers
| Product name | Piroxicam EP Impurity B |
|---|---|
| Catalogue number | ZX-022527 |
| CAS number | 65897-46-3 |
| IUPAC name | 4-hydroxy-1,1-dioxo-N-pyridin-2-yl-2H-1lambda6,2-benzothiazine-3-carboxamide |
| Molecular formula | C14H11N3O4S |
| Molar mass | 317.32 g/mol |
| Exact mass | 317.047 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 2.9 |
| H-bond donors / acceptors | 3 / 6 |
| Topological polar surface area | 117 Ų |
| HS code | 38229090 |
| InChIKey | XRXYFCIBSPQECM-UHFFFAOYSA-N |
| SMILES | C1=CC=C2C(=C1)C(=C(NS2(=O)=O)C(=O)NC3=CC=CC=N3)O |
| PubChem CID | 54719424 |
| Synonyms | Piroxicam - Impurity B, Desmethyl piroxicam, 2H-1,2-Benzothiazine-3-carboxamide, 4-hydroxy-N-2-pyridinyl-, 1,1-dioxide, 4-Hydroxy-N-(pyridin-2-yl)-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide, Piroxicam specified impurity B, Desmethyl Piroxicam (Piroxicam Impurity B), 4-hydroxy-1,1-dioxo-N-(pyridin-2-yl)-2H-1lambda6,2-benzothiazine-3-carboxamide, Piroxicam Impurity B, 4-Hydroxy-N-(pyridin-2-yl)-2H-benzo[e][1,2]thiazine-3-carboxamide 1,1-dioxide, 4-Hydroxy-N-2-pyridinyl-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxide, 4-hydroxy-1,1-dioxo-N-(2-pyridyl)-2H-1lambda6,2-benzothiazine-3-carboxamide, 4-Hydroxy-1,1-dioxo-N-(pyridin-2-yl)-1,2-dihydro-1lambda~6~,2-benzothiazine-3-carboxamide |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H301Toxic if swallowed
- H361Suspected of damaging fertility or the unborn child
- H373May causes damage to organs through prolonged or repeated exposure
Precautionary statements P203, P260, P264, P270, P280, P301 + P316, P318, P319, P321, P330, 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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