AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
HMS2092P16 | N-(5-methyl-3-isoxazolyl)-4-hydroxy-2-methyl-2H-1,2-benzthiazine-3-carboxamide 1,1-dioxide | SBI-0051800.P002 | 2H-1,2-Benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-N-(5-methyl-3-isoxazolyl)-, 1,1-dioxide | ISOXICAM [USAN] | NCGC00016829-03
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
I337000-50mg
3
$58.90
100mg
I337000-100mg
2
$92.90
250mg
I337000-250mg
2
$195.90
Enter a quantity for the sizes you want to add.

Overview

Isoxicam is a potent, orally active, nonsteroidal anti-inflammatory drug.


Application

Isoxicam may be used as an internal standard for the quantification of meloxicam in pharmaceutical preparations and as an analytical reference standard for the quantification of the analyte in biological samples using different analytical techniques.

Specifications

Synonyms
HMS2092P16 | N-(5-methyl-3-isoxazolyl)-4-hydroxy-2-methyl-2H-1, 2-benzthiazine-3-carboxamide 1, 1-dioxide | SBI-0051800.P002 | 2H-1, 2-Benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-N-(5-methyl-3-isoxazolyl)-, 1, 1-dioxide | ISOXICAM [USAN] | NCGC00016829-03
Specifications & Purity
≥98%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504771347
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504771347
Canonical SmilesCC1=CC(=NO1)NC(=O)C2=C(C3=CC=CC=C3S(=O)(=O)N2C)O
IUPAC Name4-hydroxy-2-methyl-N-(5-methyl-1,2-oxazol-3-yl)-1,1-dioxo-1λ6,2-benzothiazine-3-carboxamide
InChIKeyYYUAYBYLJSNDCX-UHFFFAOYSA-N
INCHI1S/C14H13N3O5S/c1-8-7-11(16-22-8)15-14(19)12-13(18)9-5-3-4-6-10(9)23(20,21)17(12)2/h3-7,18H,1-2H3,(H,15,16,19)
Isomeric SMILES CC1=CC(=NO1)NC(=O)C2=C(C3=CC=CC=C3S(=O)(=O)N2C)O
Molecular Weight 335.34
Reaxy-Rn 577221
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=577221&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

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✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzothiazines
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentBenzothiazines
Alternative Parents Alpha amino acids and derivatives  Organosulfonamides  Benzenoids  1,2-thiazines  Vinylogous acids  Isoxazoles  Heteroaromatic compounds  N-acylimines  Oxacyclic compounds  Azacyclic compounds  Organopnictogen compounds  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Alpha-amino acid or derivatives - Benzothiazine - Ortho-thiazine - Organosulfonic acid amide - Benzenoid - Azole - Isoxazole - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Vinylogous acid - Heteroaromatic compound - N-acylimine - Carboxylic acid derivative - Azacycle - Oxacycle - Organic oxide - Organic nitrogen compound - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Hydrocarbon derivative - Organopnictogen compound - Carbonyl group - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzothiazines. These are organic compounds containing a benzene fused to a thiazine ring (a six-membered ring with four carbon atoms, one nitrogen atom and one sulfur atom).
External Descriptors monocarboxylic acid amide - isoxazoles - benzothiazine
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

3 results found

Lot NumberCertificate TypeDateItem
H2223282Certificate of AnalysisJun 10, 2025 I337000
H2223283Certificate of AnalysisJun 10, 2025 I337000
H2223285Certificate of AnalysisJun 10, 2025 I337000
Chemical and Physical Properties
SolubilityChloroform (Slightly, Heated), DMSO (Slightly), Methanol (Slightly, Heated, Soni
Melt Point(°C)>240ºC
Molecular Weight335.340 g/mol
XLogP33.000
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count7
Rotatable Bond Count2
Exact Mass335.058 Da
Monoisotopic Mass335.058 Da
Topological Polar Surface Area121.000 Ų
Heavy Atom Count23
Formal Charge0
Complexity627.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
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