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C12H8Cl2N4O2 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

300403-90-1

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300403-90-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 300403-90-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,0,4,0 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 300403-90:
(8*3)+(7*0)+(6*0)+(5*4)+(4*0)+(3*3)+(2*9)+(1*0)=71
71 % 10 = 1
So 300403-90-1 is a valid CAS Registry Number.

300403-90-1Relevant academic research and scientific papers

A ligand-free copper (1) catalysed intramolecular N-arylation of diazoaminobenzenes in PEG-water: An expeditious protocol towards regiospecific 1-aryl benzotriazoles

Mukhopadhyay, Chhanda,Tapaswi, Pradip Kumar,Butcher, Ray J.

supporting information; experimental part, p. 4720 - 4729 (2010/11/17)

An efficient and highly versatile method for the synthesis of diverse regiospecific 1-arylbenzotriazoles being important medicinal scaffolds, by the copper (1) catalysed intramolecular N-arylation of diazoaminobenzenes of 2-haloaryldiazonium salts in PEG-water has been developed. A very simple reaction protocol, large number of substrate affordability and excellent yields are the main features of this methodology.

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