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Home > Encyclopedia > 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide

4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide

4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide structure

4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide 

structure
  • CAS No:

    24683-26-9

  • Formula:

    C12H13NO5S

  • Chemical Name:

    4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide

  • Synonyms:

    2H-1,2-Benzothiazine-3-carboxylic acid,4-hydroxy-2-methyl-,ethyl ester,1,1-dioxide;4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide;Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

  • Categories:

    Pharmaceutical Intermediates  >  Bulk Drug Intermediates

Description

White to Off-White Solid

4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide Basic Attributes

283.3

283.30

246-403-7

EAD64Z1YS1

DTXSID30179415

2934991000

Characteristics

92.3

2.78

White to Off-White Solid

1.5±0.1 g/cm3

138-139 °C

448.1±55.0 °C at 760 mmHg

224.8±31.5 °C

1.618

-20°C Freezer

5.97E-08mmHg at 25°C

Safety Information

UN 2811 6.1/PG 2

2

23

45

DL0710425

T

P261-P304 + P340 + P312-P403 + P233

H331

|Danger|H331 (89.13%): Toxic if inhaled [Danger Acute toxicity, inhalation]|P261, P271, P304+P340, P311, P321, P403+P233, P405, and P501|Aggregated GHS information provided by 46 companies from 7 notifications to the ECHA C&L Inventory.

4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-dioxide Use and Manufacturing

Piroxicam impurity K. Also an impurity found in meloxicam (M216100).

Computed Properties

Molecular Weight:283.30
XLogP3:3.2
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:6
Rotatable Bond Count:3
Exact Mass:283.05144369
Monoisotopic Mass:283.05144369
Topological Polar Surface Area:92.3
Heavy Atom Count:19
Complexity:505
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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