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16860-43-8

16860-43-8 structure
16860-43-8 structure
  • Name: 3,5-Pyrazolidinedione,4-butyl-4-hydroxy-1,2-diphenyl-
  • Chemical Name: 4-Hydroxy Phenylbutazone
  • CAS Number: 16860-43-8
  • Molecular Formula: C19H20N2O3
  • Molecular Weight: 324.37400
  • Catalog: Research Areas Others
  • Create Date: 2017-06-02 19:06:51
  • Modify Date: 2024-01-05 16:32:10
  • 4-Hydroxyphenylbutazone is a metabolite of Phenylbutazone. Phenylbutazone, a nonsteroidal anti-inflammatory drug (NSAID), is an efficient reducing cofactor for the peroxidase activity of prostaglandin H synthase (PHS)[1].

Name 4-Hydroxy Phenylbutazone
Synonyms 4-Butyl-4-hydroxy-1,2-diphenyl-3,5-pyrazolidinedione 4-Hydroxyphenylbutazone
4-butyl-4-hydroxy-1,2-diphenylpyrazolidine-3,5-dione
Phenylbutazone impurity B
Description 4-Hydroxyphenylbutazone is a metabolite of Phenylbutazone. Phenylbutazone, a nonsteroidal anti-inflammatory drug (NSAID), is an efficient reducing cofactor for the peroxidase activity of prostaglandin H synthase (PHS)[1].
Related Catalog
In Vitro 4-hydroxyphenylbutazone is isolated from incubations of phenylbutazone with either ram seminal vesicle microsomes or horseradish peroxidase. 4-hydroxyphenylbutazone is ineffective inhibitor of PHS cyclooxygenase[1].
References

[1]. Hughes MF, et, al. Prostaglandin hydroperoxidase-dependent oxidation of phenylbutazone: relationship to inhibition of prostaglandin cyclooxygenase. Mol Pharmacol. 1988 Aug;34(2):186-93.

Density 1.256g/cm3
Boiling Point 462.3ºC at 760mmHg
Molecular Formula C19H20N2O3
Molecular Weight 324.37400
Flash Point 233.4ºC
Exact Mass 324.14700
PSA 60.85000
LogP 3.03270
Vapour Pressure 2.41E-09mmHg at 25°C
Index of Refraction 1.615
HS Code 2933990090
HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%