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1H-Naphtho[2,1-b]pyran-2-propanamide, 1-(4-bromobenzoyl)-2,3-dihydro-3-oxo- is a complex organic compound with the molecular formula C18H14BrNO3. It is characterized by a naphthopyran core, which is a fused ring system consisting of a naphthalene and a pyran ring. The compound features a 4-bromobenzoyl group attached to the nitrogen atom of the pyran ring, which introduces a bromine atom and a benzene ring with a carbonyl group. The 2,3-dihydro-3-oxo part of the name indicates that the compound has a partially saturated structure with a carbonyl group at the 3-position. This chemical is likely to be found in research settings, particularly in the fields of organic chemistry and medicinal chemistry, where it may be studied for its potential applications or properties.

90251-93-7

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90251-93-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90251-93-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,2,5 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90251-93:
(7*9)+(6*0)+(5*2)+(4*5)+(3*1)+(2*9)+(1*3)=117
117 % 10 = 7
So 90251-93-7 is a valid CAS Registry Number.

90251-93-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-[1-(4-Bromo-benzoyl)-3-oxo-2,3-dihydro-1H-benzo[f]chromen-2-yl]-propionamide

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

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More Details:90251-93-7 SDS

90251-93-7Downstream Products

90251-93-7Relevant academic research and scientific papers

SOME REACTIONS WITH 5,6-BENZO-4-(p-BROMOBENZOYL)-3,4-DIHYDROCOUMARIN

El-Kady, Mohamed,Afify, Amin,El-Hashash, Maher,Kassab, Emam

, p. 1387 - 1391 (2007/10/02)

5,6-Benzo-4-(p-bromobenzoyl)-3,4-dihydrocoumarin (1) has been prepared by Pechmann condensation of β-naphthol with p-bromobenzoylacrylic acid.Compound 1 reacts with Grignard reagents to yield 5,6-benzo-4-(diaryl or arylalkyl)hydroxymethyl-3,4-dihydrocoumarins 2, and reacts with aldehydes or acrylonitrile to afford the corresponding 3-arylidine or 3-α-propanamidyl-3,4-dihydrocoumarins 3 or 4, respectively.Bromination of 1 yields, 3,4-dibromocoumarin 5 and 3-bromocoumarin derivatives 6.

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