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4-羟基-2-甲基-2H-1,2-苯并噻嗪-3-甲酸乙酯 1,1-二氧化物
Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
化合物简介
Piroxicam impurity K. Also an impurity found in meloxicam.
基本信息
CAS：24683-26-9
中文别名：2-甲基-4-羟基-2H-1,2-苯并噻唑(嗪)-3-羧酸乙酯-1,1-二氧化物;乙基4-羟基-2-甲基-2H-1,2-苯并噻嗪-3-羧酸盐 1,1-二氧化物;4-羟基-2-甲基-1,1-二氧化-2H-1,2-苯并噻嗪-3-羧酸乙酯;
英文别名：2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-1,1-DIOXIDE-3-CARBOXYLIC ACID ETHYL ESTER;ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazin-3-carboxylate 1,1-dioxide;2h-1,2-benzothiazine-3-carboxylicacid,4-hydroxy-2-methyl-,ethylester,1,1-d;4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide ethyl ester;Ethyl 4-hydroxy-2-methyl-1,1-dioxo-2H-1,2-benzothiazine-3-carboxylate;4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate of ethyl-1,1-dioxide;2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZE-3-CAPROXYLIC ACID-1,1-DIOXIDE ETHYL ESTER;2-benzothiazine-3-carboxylic acid ethyl ester-1;2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC ETHYL ESTER-1,1-DIOXIDE;ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide;2-Methyl-4-hydroxy-2H-1;Ethyl4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate1,1-Dioxide(PiroxicamImpurityK);4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-d;4-hydroxy-2-methyl-2H-l,2-benzothiazine-3-carboxylic acid ethylester;(4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl)1,1-dioxide;ETHYL 4-HYDROXY-2-METHYL-1,1-DIOXO-2H-1,2-BENZOTHIAZINE-3-CARBOXYLATE;
分子式：C12H13NO5S
分子量：283.3
精确质量：283.051
Psa：92.29
Logp：2.1291
中文别名：2-甲基-4-羟基-2H-1,2-苯并噻唑(嗪)-3-羧酸乙酯-1,1-二氧化物;乙基4-羟基-2-甲基-2H-1,2-苯并噻嗪-3-羧酸盐 1,1-二氧化物;4-羟基-2-甲基-1,1-二氧化-2H-1,2-苯并噻嗪-3-羧酸乙酯;
英文别名：2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-1,1-DIOXIDE-3-CARBOXYLIC ACID ETHYL ESTER;ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazin-3-carboxylate 1,1-dioxide;2h-1,2-benzothiazine-3-carboxylicacid,4-hydroxy-2-methyl-,ethylester,1,1-d;4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide ethyl ester;Ethyl 4-hydroxy-2-methyl-1,1-dioxo-2H-1,2-benzothiazine-3-carboxylate;4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate of ethyl-1,1-dioxide;2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZE-3-CAPROXYLIC ACID-1,1-DIOXIDE ETHYL ESTER;2-benzothiazine-3-carboxylic acid ethyl ester-1;2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE-3-CARBOXYLIC ETHYL ESTER-1,1-DIOXIDE;ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate-1,1-dioxide;2-Methyl-4-hydroxy-2H-1;Ethyl4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate1,1-Dioxide(PiroxicamImpurityK);4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl ester 1,1-d;4-hydroxy-2-methyl-2H-l,2-benzothiazine-3-carboxylic acid ethylester;(4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic acid ethyl)1,1-dioxide;ETHYL 4-HYDROXY-2-METHYL-1,1-DIOXO-2H-1,2-BENZOTHIAZINE-3-CARBOXYLATE;
分子式：C12H13NO5S
分子量：283.3
精确质量：283.051
Psa：92.29
Logp：2.1291
编号系统
MDL号：MFCD00190168
EINECS号：246-403-7
PubChem号：24879268
EINECS号：246-403-7
PubChem号：24879268
物化性质
密度：1.444g/cm3
沸点：424.1ºC at 760mmHg
熔点：140-144°C(lit.)
闪点：210.3ºC
折射率：1.61
蒸汽压：5.97E-08mmHg at 25°C
沸点：424.1ºC at 760mmHg
熔点：140-144°C(lit.)
闪点：210.3ºC
折射率：1.61
蒸汽压：5.97E-08mmHg at 25°C
安全信息
RTECS号：DL0710425
安全说明：S45
危险类别码：R23
WGK Germany：2
危险品运输编码：UN 2811 6.1/PG 2
海关编码：2934991000
危险品标志：T
安全说明：S45
危险类别码：R23
WGK Germany：2
危险品运输编码：UN 2811 6.1/PG 2
海关编码：2934991000
危险品标志：T
生产方法及用途
用途
吡罗昔康(炎痛昔康)的中间体
吡罗昔康(炎痛昔康)的中间体
合成路线
上游原料
下游产品
图谱
13C NMR : Predict
1H NMR : Predict
