CAS 43229-01-2 | 2-Bromo-4′-Benzyloxy-3′-nitroacetophenone

Molecular Formula: C15H12BrNO4
Molecular Weight: 350.16
EINECS: 610-115-3
Purity: 97% Min.
Package: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
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3'-Nitro-4'-benzyloxy-2-bromoacetophenone is a key intermediate of formoterol, a long-acting selective adrenergic β2 agonist with Chemicalbook has a bronchodilator effect, and in a dose-dependent manner, increases forced expiratory volume in 1 second (FEV1), forced vital capacity (FVC), and peak expiratory flow (PER).

Specification of CAS 43229-01-2 | 2-Bromo-4'-Benzyloxy-3'-nitroacetophenone



Melting point

135-137 °C

storage temp.

under inert gas (nitrogen or Argon) at 2–8 °C


Soluble in Methylene chloride, sparingly soluble in ethyl acetate, insoluble in water


Pale yellow to cream coloured crystalline powder


1.517 g/cm3

Boiling point

465.2 °C

CAS DataBase Reference

43229-01-2(CAS DataBase Reference)

Synthesis of CAS 43229-01-2 | 2-Bromo-4'-Benzyloxy-3'-nitroacetophenone

CAS 43229-01-2 | 2-Bromo-4'-Benzyloxy-3'-nitroacetophenone


With N,N,N-trimethylanilinium bromide In dichloromethane at 300℃; for 4h;

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