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4-Methylamino antipyrine

Catalog No. T10152Cas No. 519-98-2

4-Methylamino antipyrine, an active metabolite of Metamizole, a pyrazolone non-steroidal anti-inflammatory drug (NSAID) that inhibits COX, possesses analgesic, antipyretic, and relatively weak anti-inflammatory properties.

4-Methylamino antipyrine

4-Methylamino antipyrine

Purity: 99.87%
Catalog No. T10152Cas No. 519-98-2
4-Methylamino antipyrine, an active metabolite of Metamizole, a pyrazolone non-steroidal anti-inflammatory drug (NSAID) that inhibits COX, possesses analgesic, antipyretic, and relatively weak anti-inflammatory properties.
Pack SizePriceAvailabilityQuantity
10 mg$39In Stock
25 mg$84In Stock
50 mg$126In Stock
100 mg$196In Stock
200 mg$298In Stock
500 mg$496In Stock
1 mL x 10 mM (in DMSO)$32In Stock
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Purity:99.87%
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Product Introduction

Bioactivity
Description
4-Methylamino antipyrine, an active metabolite of Metamizole, a pyrazolone non-steroidal anti-inflammatory drug (NSAID) that inhibits COX, possesses analgesic, antipyretic, and relatively weak anti-inflammatory properties.
In vitro
At room temperature and in an atmosphere with oxygen, Metamizole is spontaneously, nonenzymatically converted to 4-Methylamino antipyrine. Subsequently, the N-methyl side chain of 4-Methylamino antipyrine is oxidized to yield 4-formylaminoantipyrine, which is further converted to 4-aminoantipyrine [2].
In vivo
Eight healthy male piglets are administered Metamizole (100 mg/kg) intramuscularly. 4-Methylamino antipyrine plasma concentrations are quantitatively detectable from 0.25 to 48 h. The average maximum concentration of 4-Methylamino antipyrine is 47.59 mg/mL. The average half-lives is 8.57 h for 4-Methylamino antipyrine [1].
Chemical Properties
Molecular Weight217.27
FormulaC12H15N3O
Cas No.519-98-2
Storage & Solubility Information
Storagekeep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice.
Solubility Information
DMSO: 2.78 mg/mL (12.78 mM), Sonication is recommended.
Solution Preparation Table
DMSO
1mg5mg10mg50mg
1 mM4.6026 mL23.0128 mL46.0257 mL230.1284 mL
5 mM0.9205 mL4.6026 mL9.2051 mL46.0257 mL
10 mM0.4603 mL2.3013 mL4.6026 mL23.0128 mL

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