Piroxicam

Name: Piroxicam
Brand: Zemixal
SKU: ZX-004013

IP/BP/USPAvailable on request

Buy Piroxicam (CAS 36322-90-4) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 1 kg. Catalogue no. ZX-004013.

Pack sizes

CAS number36322-90-4

FormulaC₁₅H₁₃N₃O₄S

Molar mass331.3 g/mol

Physical formPowder

HS code2933

InChIKeyQYSPLQLAKJAUJT-UHFFFAOYSA-N

IUPAC name4-hydroxy-2-methyl-1,1-dioxo-N-pyridin-2-yl-1lambda6,2-benzothiazine-3-carboxamide

About Piroxicam

Piroxicam sits in our analgesic & Anti-inflammatory APIs section and ships worldwide from stock or short lead time. Identity at a glance (IP/BP/USP): CAS 36322-90-4, formula C15H13N3O4S and molar mass 331.3 g/mol. Expect lemon yellow colored powder (Results: complies).

Where it is used

Pharmaceutical formulation
Generic drug development

Safe handling

Hazard communication follows GHS (Danger: H301, H360, H361 and H372). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 1 kg, 5 kg and 25 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Piroxicam

See every impurity, metabolite and related compound we list for this API.

Piroxicam standards

Typical uses

Pharmaceutical formulation
Generic drug development

Applications

Pharmaceutical Manufacturing and QC

Grade guides

IP Grade (Indian Pharmacopoeia)BP Grade (British Pharmacopoeia)USP Grade (United States Pharmacopeia)

Specifications and identifiers

Specifications of Piroxicam
Product name	Piroxicam
Catalogue number	ZX-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
Molar mass	331.3 g/mol
Exact mass	331.0627
Grade	IP/BP/USP
Physical form	Powder
Appearance	Lemon yellow colored powder (Results: complies)
XLogP3	3.1
H-bond donors / acceptors	2 / 6
Topological polar surface area	108 Å²
HS 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
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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Acute toxicity

Health hazard

Signal word Danger

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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Piroxicam
1 kg	Quoted on request
5 kg	Quoted on request
25 kg	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

Which CAS number identifies Piroxicam?

Piroxicam is registered under CAS 36322-90-4. You may also see it listed as Feldene, Piroftal, 2H-1,2-Benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-N-2-pyridinyl-, 1,1-dioxide. Our catalogue number for this item is ZX-004013.

What are the formula and molar mass of Piroxicam?

For Piroxicam, its formula is C15H13N3O4S and its molar mass is 331.3 g/mol. The systematic (IUPAC) name is 4-hydroxy-2-methyl-1,1-dioxo-N-pyridin-2-yl-1lambda6,2-benzothiazine-3-carboxamide. InChIKey QYSPLQLAKJAUJT-UHFFFAOYSA-N lets you match it in any structure database.

How is Piroxicam used in pharmaceutical QC?

Piroxicam 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?

This listing is IP/BP/USP grade. Standard packs are 1 kg, 5 kg, 25 kg. Larger quantities and custom packing can be quoted on request.

Which documents come with Piroxicam?

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 to my country?

Yes. Because Piroxicam 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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Piroxicam EP Impurity J

CAS: 35511-15-0
Formula: C₁₁H₁₁NO₅S
MW: 269.28 g/mol

ZX-022082

Piroxicam EP Impurity F

CAS: 76508-37-7
Formula: C₁₂H₁₃NO₅S
MW: 283.3 g/mol

ZX-022526

Piroxicam EP Impurity B

CAS: 65897-46-3
Formula: C₁₄H₁₁N₃O₄S
MW: 317.32 g/mol

ZX-022527

Piroxicam EP Impurity D

CAS: 6639-62-9
Formula: C₁₀H₉NO₅S
MW: 255.25 g/mol

ZX-022528

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