Piroxicam

Name: Piroxicam
Brand: Vaqora Chemicals
SKU: VQ-004013

About Piroxicam

Listed under CAS 36322-90-4, Piroxicam is an analgesic / anti-inflammatory API available from Vaqora Chemicals (IP/BP/USP grade). With the molecular formula C15H13N3O4S, it has a molar mass of 331.3 g/mol. Systematically, it is named 4-hydroxy-2-methyl-1,1-dioxo-N-pyridin-2-yl-1lambda6,2-benzothiazine-3-carboxamide. Common synonyms include Feldene and Piroftal.

The material typically appears as a lemon yellow colored powder (Results: complies). Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

As an active pharmaceutical ingredient within our analgesic and anti-inflammatory APIs range, it is offered in IP/BP/USP grade for formulation development, generic drug programmes and commercial manufacturing. Typical end-use sectors are pharmaceutical manufacturing.

Vaqora Chemicals supplies Piroxicam in 1 kg, 5 kg and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmaceutical formulation
Generic drug development

Industries

Related to Piroxicam

View every impurity, metabolite and intermediate we list for Piroxicam.

Piroxicam impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Piroxicam
Catalogue No.	VQ-004013
CAS Number	36322-90-4
IUPAC name	4-hydroxy-2-methyl-1,1-dioxo-N-pyridin-2-yl-1lambda6,2-benzothiazine-3-carboxamide
Molecular formula	C₁₅H₁₃N₃O₄S
Molecular weight	331.3 g/mol
Exact mass	331.0627
Grade	IP/BP/USP
HSN code	2933
InChIKey	QYSPLQLAKJAUJT-UHFFFAOYSA-N
SMILES	CN1C(=C(C2=CC=CC=C2S1(=O)=O)O)C(=O)NC3=CC=CC=N3
PubChem CID	54676228

Physical properties
Physical form	Powder
Appearance	Lemon yellow colored powder (Results: complies)
LogP (XLogP3)	3.1
H-bond donors / acceptors	2 / 6
TPSA	108 Å²
Synonyms	Feldene, Piroftal, 2H-1,2-Benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-N-2-pyridinyl-, 1,1-dioxide, CHF 1251, 4-Hydroxy-2-methyl-N-(2-pyridyl)-2H-1,2-benzothiazin-3-caboxyamid-1,1-dioxid, 4-hydroxy-2-methyl-N-(pyridin-2-yl)-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide, Flamatrol, Kentene, Feldene p, 4-hydroxy-2-methyl-1,1-dioxo-N-(pyridin-2-yl)-2H-1$l^(6),2-benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-1,1-dioxo-N-(pyridin-2-yl)-2H-1$l^{6},2-benzothiazine-3-carboxamide, Piroflam 10

Safety & hazard information (GHS)

Toxic

Health hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H360May damage fertility or the unborn child
H361Suspected of damaging fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements: P203, P260, P264, P270, P280, P301 + P316, P318, P319, P321, P330, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Piroxicam?

The CAS Registry Number of Piroxicam is 36322-90-4. It is also known as Feldene, Piroftal, 2H-1,2-Benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-N-2-pyridinyl-, 1,1-dioxide.

What is the molecular formula and molecular weight of Piroxicam?

Piroxicam has the molecular formula C15H13N3O4S and a molecular weight of 331.3 g/mol. Its IUPAC name is 4-hydroxy-2-methyl-1,1-dioxo-N-pyridin-2-yl-1lambda6,2-benzothiazine-3-carboxamide.

What is Piroxicam used for?

Piroxicam is supplied as a characterised reference material related to Piroxicam. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Piroxicam can I order?

We supply Piroxicam in IP/BP/USP grade, in 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Piroxicam?

Yes. Every lot of Piroxicam is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Piroxicam be shipped internationally?

Yes. Piroxicam is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.