United States Pharmacopeia (USP) Reference Standard

4-Hydroxy-2-methyl-3-(pyrid-2-yl-carbamoyl)-2H-1,2-benzothiazine 1,1-dioxide
Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
MDL number:
PubChem Substance ID:


pharmaceutical primary standard





Featured Industry

Pharmaceutical (small molecule)



SMILES string




Inchi Key


Gene Information

human ... PTGS1(5742), PTGS2(5743)

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Biochem/physiol Actions

Cyclooxygenase inhibitor.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

USP issued SDS can be found here.
Sales restrictions may apply.


Skull and crossbonesHealth hazard

Signal Word


Hazard Statements

Target Organs

Gastrointestinal tract


UN 2811 6.1 / PGIII

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Therapeutic focus. Piroxicam.
A Calin
The British journal of clinical practice, 42(4), 161-164 (1988-04-01)
Kusum Rathore et al.
Translational research : the journal of laboratory and clinical medicine, 164(2), 158-168 (2014-03-19)
Development and characterization of animal models for human cancers is important for the improvement of diagnosis and therapy. The oral squamous cell carcinoma (OSCC) of domestic animals resembles human OSCC in many aspects; thus, cell lines derived from OSCC of...
C Scarpignato
Current medicinal chemistry, 20(19), 2415-2437 (2013-02-12)
Although NSAIDs are very effective drugs, their use is associated with a broad spectrum of adverse reactions in the liver, kidney, cardiovascular (CV) system, skin and gut. Gastrointestinal (GI) side effects are the most common and constitute a wide clinical...
S Warrington
European journal of rheumatology and inflammation, 12(4), 29-37 (1993-01-01)
Piroxicam-beta-cyclodextrin (PBC), a complex of piroxicam with beta-cyclodextrin, was developed with the aim of improving the hydrosolubility and bioavailability of piroxicam. The complex is more rapidly absorbed, with a consequent reduction in the time of contact of piroxicam with the...
D L Earnest et al.
Journal of cellular biochemistry. Supplement, 16I, 156-166 (1992-01-01)
Piroxicam is a nonsteroidal anti-inflammatory drug (NSAID) widely used for treatment of inflammatory arthritis. Recent experimental and clinical studies suggest that piroxicam, as well as other NSAIDs, may be useful for chemoprevention of colon cancer. While there is less information...

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