Skip to content
Molekula

Molekula

Piroxicam - USP CRS

SKU 90037334 CAS 36322-90-4 C15H13N3O4S MW 331.35 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch

Piroxicam USP CRS is a nonsteroidal anti-inflammatory drug (NSAID) used primarily for its analgesic, anti-inflammatory, and antipyretic properties in pharmaceutical research and development. It is also employed as a reference standard in analytical testing. This chemical has a CAS number of 36322-90-4, a molecular formula of C15H13N3O4S, and a molecular weight of 331.35 g/mol. It must be stored between 2 to 8°C and carries a signal word of "Danger." Molekula supplies Piroxicam USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

Contact sales
Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Overview

SKU
90037334
CAS Number
36322-90-4
IUPAC Name
4-hydroxy-2-methyl-1,1-dioxo-N-pyridin-2-yl-1lambda6,2-benzothiazine-3-carboxamide
EC Number
252-974-3
Molecular Formula
C15H13N3O4S
Molecular Weight
331.35
Exact Mass
331.0627
SMILES
CN1C(=C(C2=CC=CC=C2S1(=O)=O)O)C(=O)NC3=CC=CC=N3
InChIKey
QYSPLQLAKJAUJT-UHFFFAOYSA-N
InChI
InChI=1S/C15H13N3O4S/c1-18-13(15(20)17-12-8-4-5-9-16-12)14(19)10-6-2-3-7-11(10)23(18,21)22/h2-9,19H,1H3,(H,16,17,20)
PubChem CID
54676228

Synonyms

  • BAXO
  • CHF 1251
  • CP 16171
  • Feldene
  • Larapam
  • Piroftal
  • piroxicam
  • Piroxicamum
  • Pyroxycam
  • Roxicam

Literature values

Published physical properties of the substance, not batch specifications.

Melting Point
198 - 200 °C
pKa
pKa = 6.3

Source: PubChem CID 54676228 (Human Metabolome Database (HMDB), DrugBank)

See the other grade of CAS 36322-90-4 →

Frequently asked questions

What is Piroxicam USP CRS commonly used for?

Piroxicam USP CRS is primarily used as a reference standard for analytical testing in pharmaceutical quality control to ensure the purity and potency of piroxicam-based drugs.

What is the chemical formula and molecular weight of Piroxicam USP CRS?

The chemical formula is **C15H13N3O4S** and the molecular weight is **331.35 g/mol**.

How should Piroxicam USP CRS be stored?

Store at **2 to 8°C** in a cool, dry place, protected from light and moisture.

What grade of Piroxicam is this, and what does USP CRS mean?

This is **USP Certified Reference Standard (CRS)**, meeting USP monograph specifications for analytical reference use in labs.

Can Molekula supply Piroxicam USP CRS in bulk quantities?

Bulk quantities may be available upon request—contact Molekula’s sales team for pricing and lead times.

What documentation comes with an order of Piroxicam USP CRS?

Each order includes a **Certificate of Analysis (CoA)**, **Safety Data Sheet (SDS)**, and **USP CRS compliance documentation**.

Related products

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket