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4-Azacoumarin is a heterocyclic organic compound, characterized by a coumarin structure with a nitrogen atom replacing one of the carbon atoms in the pyrone ring. This nitrogen atom is located at the 4-position, hence the name 4-Azacoumarin. It is a white crystalline solid with a molecular formula of C9H7NO3 and a molecular weight of 177.16 g/mol. 4-Azacoumarin is synthesized by the condensation of 4-aminophenol with ethyl acetoacetate and is used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals. It exhibits fluorescence properties and has potential applications in the field of fluorescence imaging and sensing.

5651-39-8

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5651-39-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5651-39-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,5 and 1 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5651-39:
(6*5)+(5*6)+(4*5)+(3*1)+(2*3)+(1*9)=98
98 % 10 = 8
So 5651-39-8 is a valid CAS Registry Number.

5651-39-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 2H-benzo[b][1,4]oxazin-2-one

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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Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:5651-39-8 SDS

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