O-Methyl Piroxicam

Name: O-Methyl Piroxicam
Brand: Zemixal
SKU: ZX-031889

Reference StandardAvailable on request

Buy O-Methyl Piroxicam (CAS 76780-03-5) from Zemixal: C16H15N3O4S, COA and SDS with every lot, worldwide shipping. Ships from India to 120+ countries.

Pack sizes

CAS number76780-03-5

FormulaC₁₆H₁₅N₃O₄S

Molar mass345.4 g/mol

Physical formSolid

HS code38229090

InChIKeyJQZDWMTZAOWOEM-UHFFFAOYSA-N

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

About O-Methyl Piroxicam

Zemixal lists O-Methyl Piroxicam for laboratories that identify, quantify or control Piroxicam and its related substances. Key data (Reference Standard): CAS 76780-03-5, formula C16H15N3O4S and molar mass 345.4 g/mol. It is handled as a solid.

Where it is used

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H302. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Piroxicam

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

Piroxicam standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of O-Methyl Piroxicam
Product name	O-Methyl Piroxicam
Catalogue number	ZX-031889
CAS number	76780-03-5
IUPAC name	4-methoxy-2-methyl-1,1-dioxo-N-pyridin-2-yl-1lambda6,2-benzothiazine-3-carboxamide
Molecular formula	C₁₆H₁₅N₃O₄S
Molar mass	345.4 g/mol
Exact mass	345.0783
Grade	Reference Standard
Physical form	Solid
XLogP3	2.8
H-bond donors / acceptors	1 / 6
Topological polar surface area	97 Å²
HS code	38229090
InChIKey	JQZDWMTZAOWOEM-UHFFFAOYSA-N
SMILES	CN1C(=C(C2=CC=CC=C2S1(=O)=O)OC)C(=O)NC3=CC=CC=N3
PubChem CID	578698
Synonyms	4-Methoxy-2-methyl-N-(2-pyridyl)-2H-1,2-benzothiazine-3-carboxamide 1,1-Dioxide, 1,1-Dioxide 4-Methoxy-2-methyl-N-2-pyridinyl-2H-1,2-benzothiazine-3-carboxamide, 4-methoxy-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

Irritant or harmful

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

Pack sizes of O-Methyl Piroxicam
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 O-Methyl Piroxicam

Which CAS number identifies O-Methyl Piroxicam?

O-Methyl Piroxicam is registered under CAS 76780-03-5. You may also see it listed as 4-Methoxy-2-methyl-N-(2-pyridyl)-2H-1,2-benzothiazine-3-carboxamide 1,1-Dioxide, 1,1-Dioxide 4-Methoxy-2-methyl-N-2-pyridinyl-2H-1,2-benzothiazine-3-carboxamide, 4-methoxy-2-methyl-N-(pyridin-2-yl)-2H-benzo[e][1,2]thiazine-3-carboxamide 1,1-dioxide. Our catalogue number for this item is ZX-031889.

What are the formula and molar mass of O-Methyl Piroxicam?

For O-Methyl Piroxicam, its formula is C16H15N3O4S and its molar mass is 345.4 g/mol. The systematic (IUPAC) name is 4-methoxy-2-methyl-1,1-dioxo-N-pyridin-2-yl-1lambda6,2-benzothiazine-3-carboxamide. InChIKey JQZDWMTZAOWOEM-UHFFFAOYSA-N lets you match it in any structure database.

How is O-Methyl Piroxicam used in pharmaceutical QC?

O-Methyl 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 O-Methyl Piroxicam?

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 O-Methyl 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 O-Methyl Piroxicam to my country?

Yes. Because O-Methyl 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.

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