Cas 73777-31-8,4,5-dimethyl-2-(N-methyl-N-phenylamino)oxazole

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Check Digit Verification of cas no

The CAS Registry Mumber 73777-31-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,7,7 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73777-31:
(7*7)+(6*3)+(5*7)+(4*7)+(3*7)+(2*3)+(1*1)=158
158 % 10 = 8
So 73777-31-8 is a valid CAS Registry Number.

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73777-31-8Relevant academic research and scientific papers

Products from heterodiene synthesis and 1,3-cycloaddition in the reaction of N,N-disubstituted 2-aminooxazoles with maleimide

Kondrat'eva,Aitzhanova,Bogdanov,Stashina,Sedishev

, p. 584 - 592 (2000)

N,N-Disubstituted 2-aminooxazoles react with maleimide in two directions: heterodiene synthesis with the formation of imides of 2-aminopyridine-3,4-dicarboxylic acids and/or 1,3-cycloaddition, forming imides of 2-amino-5-acyl-Δ1-pyrrolidine-3,4-dicarboxylic acids.

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