meloxicam
Date：2021-11-25 Categories：Related Application Product
| post date: |
nov 25,2021 |
| expiry date: |
may 24,2022 |
| detailed description: |
cas no. :71125-38-7
product name: meloxicam
chemical name: 4-hydroxy-2-methyl-n-(5-methyl-2-thiazolyl)-2h-1,2-benzothiazin-3-carboxamide-1,1- dioxide
molecular formula: c14h13n3o4s2
molecular weight: 351.40
property the goods: pale yellow or yellow powder.
content measurement: take about 0.4g of this product, accurately weighed, precision added sodium hydroxide titration solution (0.1mol / l) 25ml, slightly heat dissolved, after cooling, add neutral ethanol (p-bromo thymol blue indicator neutral) 100 ml, 10 drops of bromine thymol blue indicator solution, titrated with hydrochloric acid titration solution (0.1 mol/l), and the titration result was corrected by a blank test. each 1 ml of sodium hydroxide titration solution (0.1 mol/l) corresponds to 35.14 mg of c14h13n3o4s2.
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| cas registry number: |
71125-38-7
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| synonyms: |
;2h-1,2-benzothiazine-3-carboxamide, 4-hydroxy-2-methyl-n-(5-methyl-2-thiazolyl)-, 1,1-dioxide, sodium salt (1:1);sodium 2-methyl-3-[(5-methyl-1,3-thiazol-2-yl)carbamoyl]-2h-1,2-benzothiazin-4-olate 1,1-dioxide;4-hydroxy-2-methyl-n-(5-methyl-1,3-thiazol-2-yl)-2h-1,2-benzothiazine-3-carboxamide 1,1-dioxide;4-hydroxy-2-methyl-n-(5-methyl-2-thiazolyl)-2h-1,2-benzothiazine-3-carboxamide 1,1-dioxide; |
| molecular formula: |
c14h13n3o4s2 |
| molecular weight: |
351.4007 |
| molecular structure: |
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