Chemical Properties of Piroxicam (CAS 36322-90-4)

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)

InChI Key

QYSPLQLAKJAUJT-UHFFFAOYSA-N

Formula

C15H13N3O4S

SMILES

CN1C(C(=O)Nc2ccccn2)=C(O)c2ccccc2S1(=O)=O

Molecular Weight¹

331.35

CAS

36322-90-4

Other Names

• 2H-1,2-Benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-N-2-pyridinyl-, 1,1-dioxide
• 2H-1,2-benzothiazine-3-carboxyamide-4-hydroxy-2-methyl-N-2-pyridinyl-1,1-dioxide (piroxicam)
• 4-Hydroxy-2-methyl-N-(2-pyridyl)-2H-1,2-benzothiazin-3-caboxyamid-1,1-dioxid
• 4-Hydroxy-2-methyl-N-(2-pyridyl)-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxide
• 4-Hydroxy-2-methyl-N-2-pyridinyl-2H-1,2-benzothiazine-3-carboxamide1,1-dioxide
• 4-hydroxy-2-methyl-N-2-pyridinyl-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide
• Artroxicam
• Baxo
• Bruxicam
• CHF 1251
• CP 16171
• Caliment
• Erazon
• Feldene
• Flogobene
• Geldene
• Improntal
• Larapam
• NSC 666076
• Pirkam
• Piroflex
• Piroftal
• Pyroxycam
• Reudene
• Riacen
• Roxicam
• Roxiden
• Sasulen
• Solocalm
• Zunden
• dolonex

• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• I_np : Non-polar retention indices.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
log10WS	-4.16		Estimat...
logPoct/wat	1.581		Crippen Calculated Property
McVol	225.000	ml/mol	McGowan Calculated Property
Inp	[1413.00; 1413.00]
Inp	1413.00		NIST
Inp	1413.00		NIST

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
ΔfusH	[34.50; 36.30]	kJ/mol	[473.00; 474.50]
ΔfusH	34.50	kJ/mol	473.00	NIST
ΔfusH	36.30	kJ/mol	473.40	NIST
ΔfusH	35.00	kJ/mol	473.90	NIST
ΔfusH	35.00	kJ/mol	474.50	NIST

Similar Compounds

Find more compounds similar to Piroxicam.

Mixtures

• Carbon dioxide + Piroxicam
• D-Alanine + Piroxicam + Water
• D-Valine + Piroxicam + Water
• Piroxicam + Water

Sources

• Crippen Method
• Measurement and modeling of mefenamic acid solubility in supercritical carbon dioxide
• Thermo-physical properties of l-Alanine/l-Valine in aqueous solutions of non steroid anti inflammatory drug dolonex at different temperatures: Volumetric and acoustic approach
• Solubility Measurement of Diclofenac Acid in the Supercritical CO2
• Estimated Solubility Method
• McGowan Method
• NIST Webbook

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