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Piroxicam Impurity H
[CAS# 24683-21-4]

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CAS: 24683-21-4
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Identification
Name Piroxicam Impurity H
Synonyms 4-Hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide
Molecular Structure CAS # 24683-21-4, Piroxicam Impurity H, 4-Hydroxy-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide
Molecular Formula C11H11NO5S
Molecular Weight 269.27
CAS Registry Number 24683-21-4
EC Number 607-417-2
Properties
Solubility Very slightly soluble (0.4 g/L) (25 ºC), Calc.*
Density 1.502±0.06 g/cm3 (20 ºC 760 Torr), Calc.*
Melting point 140 ºC (acetone )**
* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)
** Schapira, Celia B.; Journal of Heterocyclic Chemistry 1980, V17(6), P1281-8.
Safety Data
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Acute toxicityAcute Tox.4H312
Acute toxicityAcute Tox.4H302
Acute toxicityAcute Tox.4H332
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