Tenoxicam EP Impurity A/Lornoxicam Impurity A/Mepyramine EP Impurity C/Piroxicam EP Impurity A
- CAS
- 504-29-0
- Formula
- C5H6N2
- MW
- 94.11 g/mol
ZX-006016
API Impurities
Piroxicam O-Isopropyl Impurity
Reference StandardIn stock
Piroxicam O-Isopropyl Impurity (CAS 118854-49-2) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.
CAS number118854-49-2
FormulaC18H19N3O4S
Molar mass373.4 g/mol
Physical formSolid
HS code38229090
InChIKeyQVXLLXYBMYQMMD-UHFFFAOYSA-N
IUPAC name2-methyl-1,1-dioxo-4-propan-2-yloxy-N-pyridin-2-yl-1lambda6,2-benzothiazine-3-carboxamide
About Piroxicam O-Isopropyl Impurity
Zemixal lists Piroxicam O-Isopropyl Impurity for laboratories that identify, quantify or control Piroxicam and its related substances. Identity at a glance (Reference Standard): CAS 118854-49-2, formula C18H19N3O4S and molar mass 373.4 g/mol. It is handled as a solid.
Use cases we see most often
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Storage and safety notes
Hazard communication follows GHS (Warning: H302). Our SDS lists exposure controls and first-aid measures.
Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Reference standards for Piroxicam
See every impurity, metabolite and related compound we list for this API.
Piroxicam standardsTypical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | Piroxicam O-Isopropyl Impurity |
|---|---|
| Catalogue number | ZX-005125 |
| CAS number | 118854-49-2 |
| IUPAC name | 2-methyl-1,1-dioxo-4-propan-2-yloxy-N-pyridin-2-yl-1lambda6,2-benzothiazine-3-carboxamide |
| Molecular formula | C18H19N3O4S |
| Molar mass | 373.4 g/mol |
| Exact mass | 373.1096 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 3.6 |
| H-bond donors / acceptors | 1 / 6 |
| Topological polar surface area | 97 Ų |
| HS code | 38229090 |
| InChIKey | QVXLLXYBMYQMMD-UHFFFAOYSA-N |
| SMILES | CC(C)OC1=C(N(S(=O)(=O)C2=CC=CC=C21)C)C(=O)NC3=CC=CC=N3 |
| PubChem CID | 21595355 |
| Synonyms | 4-Isopropoxy-2-methyl-N-(2-pyridinyl)- 2H-1,2-benzothiazine-3-carboxamide 1,1-Dioxide, 2-Methyl-4-(1-methylethoxy)-N-2-pyridinyl-2H-1,2-benzothiazine-3-carboxamide 1,1-Dioxide, 4-Isopropoxy-2-methyl-N-(2-pyridinyl)-2H-1,2-benzothiazine-3-carboxamide 1,1-Dioxide, 4-Isopropoxy-2-methyl-N-(pyridin-2-yl)-2H-benzo[e][1,2]thiazine-3-carboxamide 1,1-dioxide |
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
- H302Harmful if swallowed
Precautionary statements P264, P270, P301 + P317, P330, 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.
Questions about Piroxicam O-Isopropyl Impurity
Which CAS number identifies Piroxicam O-Isopropyl Impurity?
Piroxicam O-Isopropyl Impurity is registered under CAS 118854-49-2. You may also see it listed as 4-Isopropoxy-2-methyl-N-(2-pyridinyl)- 2H-1,2-benzothiazine-3-carboxamide 1,1-Dioxide, 2-Methyl-4-(1-methylethoxy)-N-2-pyridinyl-2H-1,2-benzothiazine-3-carboxamide 1,1-Dioxide, 4-Isopropoxy-2-methyl-N-(2-pyridinyl)-2H-1,2-benzothiazine-3-carboxamide 1,1-Dioxide. Our catalogue number for this item is ZX-005125.
What are the formula and molar mass of Piroxicam O-Isopropyl Impurity?
For Piroxicam O-Isopropyl Impurity, its formula is C18H19N3O4S and its molar mass is 373.4 g/mol. The systematic (IUPAC) name is 2-methyl-1,1-dioxo-4-propan-2-yloxy-N-pyridin-2-yl-1lambda6,2-benzothiazine-3-carboxamide. InChIKey QVXLLXYBMYQMMD-UHFFFAOYSA-N lets you match it in any structure database.
How is Piroxicam O-Isopropyl Impurity used in pharmaceutical QC?
Piroxicam O-Isopropyl Impurity is a characterised reference material linked to Piroxicam. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Piroxicam O-Isopropyl Impurity?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Piroxicam O-Isopropyl Impurity?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Piroxicam O-Isopropyl Impurity to my country?
Yes. Because Piroxicam O-Isopropyl Impurity is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
More Piroxicam standards
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