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Basic information
- CAS
5510-10-1- Standard SMILES
CN1CC(=O)c2ccccc2S1(=O)=O- InChIKey
CPIFFCMMBZLKDK-UHFFFAOYSA-N- Molecular formula
- C9H9NO3S
- Average molar mass
- 211.24 g/mol
Names & identifiers
- Preferred name
- 2-methyl-2,3-dihydro-4H-1,2-benzothiazin-4-one 1,1-dioxide
- IUPAC
- 2-methyl-1,1-dioxo-3H-1λ6,2-benzothiazin-4-one
- English name
- 2-methyl-1,1-dioxo-3H-1$l^{6},2-benzothiazin-4-one
- Molecular formula
- C9H9NO3S
- Molecular weight
- 211.24
Names & synonyms
5510-10-12-methyl-2H-benzo[e][1,2]thiazin-4(3H)-one 1,1-dioxide2-methyl-3,4-dihydro-2H-1lambda6,2-benzothiazine-1,1,4-trione2-methyl-2,3-dihydro-4H-1,2-benzothiazin-4-one 1,1-dioxide2-Methyl-2,3-dihydro-4H-benzo[e][1,2]thiazin-4-one 1,1-dioxide2-Methyl-2H-1,2-benzothiazin-4(3H)-one 1,1-dioxide2-methyl-1,1-dioxo-3H-1lambda6,2-benzothiazin-4-one2-methyl-3,4-dihydro-2H-1??,2-benzothiazine-1,1,4-trione2,3-Dihydro-2-methyl-4H-1,2-benzothiazin-4-one 1,1-Dioxide2-methyl-3,4-dihydro-2H-1lambda,2-benzothiazine-1,1,4-trioneMeloxicam Impurity 27starbld0027104
Show more names
Piroxicam Impurity 72-methyl-1,1-dioxo-3H-1$l^{6},2-benzothiazin-4-one4H-1,2-Benzothiazin-4-one, 2,3-dihydro-2-methyl-, 1,1-dioxide
SCHEMBL498521CHEMBL423532CPIFFCMMBZLKDK-UHFFFAOYSA-NBBL035746STK604819AKOS005227697VS-13212CS-0092025
Properties
Computed structural propertiesFilling in
- XLogP
- 0.7
- Topological polar surface area
- 62.8 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 4
- Rotatable bonds
- 0
- Heavy atoms
- 14
- Formal charge
- 0
- Complexity
- 344
Physicochemical properties
- Melting point
- 107.5 · 107.5-108.5 °C
- Boiling point
- 386.2 · 386.2±45.0 °C(Predicted)
- Density
- 1.404 · 1.404±0.06 g/cm3(Predicted)
- solubility
- Chloroform (Slightly), Methanol (Slightly)
- form
- Solid
- pka
- -8.15 · -8.15±0.20(Predicted)
- color
- Yellow to Dark Yellow
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
- Hazard statements
- 302 · H302-H315-H319-H335
- Precautionary statements
- 280 · P280-P305+P351+P338
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
Safety data
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- Hazard statements
- H302-H315-H319-H335
- Precautionary statements
- P280-P305+P351+P338
Chemistry & industry
Applications
Uses2-Methyl-2H-1,2-benzothiazin-4(3H)-one 1,1-Dioxide is an intermediate used in the synthesis of Amido Methyl Meloxicam (A576790), which is an impurity of Meloxicam (M216100).
Suppliers10 total
艾吉析科技（上海）有限公司17717235263 · [email protected]
湖北瑞玛标物科技有限公司15787879035 15787875101 · [email protected]
西安美科生物科技有限公司029-18710438009 18710438009 · [email protected]
湖北摩科生物科技有限公司18274848843 · [email protected]
湖北扬信医药科技有限公司15374522761 · [email protected]
深圳市恒丰万达医药科技有限公司13986652530 · [email protected]
浙江皓格药业有限公司0573-88133976-8014 · [email protected]
上海皓鸿生物医药科技有限公司400-8210725 4008210725 · [email protected]
四川蓝励医药科技有限公司028-61186658 15881182642 · [email protected]
湖北摩科生物科技有限公司17320513646 · [email protected]
Related reactions
1 records
Compound notes
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