4'-tert-butyl-4-[4-(hydroxybenzhydryl)piperidino]butyrophenone

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Names

[ CAS No. ]:
43076-30-8

[ Name ]:
4'-tert-butyl-4-[4-(hydroxybenzhydryl)piperidino]butyrophenone

[Synonym ]:
EINECS 256-074-1
Terfenadinone
Terfenadine impurity A
terfenadone

Chemical & Physical Properties

[ Density]:
1.082g/cm3

[ Boiling Point ]:
624.5ºC at 760 mmHg

[ Molecular Formula ]:
C32H39NO2

[ Molecular Weight ]:
469.65800

[ Flash Point ]:
331.5ºC

[ Exact Mass ]:
469.29800

[ PSA ]:
40.54000

[ LogP ]:
6.53300

[ Index of Refraction ]:
1.574

Safety Information

[ HS Code ]:
2933399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 4-bromo-1-(4-tert-butylphenyl)butan-1-one
  • Azacyclonol
  • 1-(4-tert-butylphenyl)-4-chlorobutan-1-one
  • Terfenadine

DownStream

  • Terfenadine
  • Fexofenadinone

Customs

[ HS Code ]: 2933399090

[ Summary ]:
2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%