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96999-04-1

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96999-04-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 96999-04-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,6,9,9 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 96999-04:
(7*9)+(6*6)+(5*9)+(4*9)+(3*9)+(2*0)+(1*4)=211
211 % 10 = 1
So 96999-04-1 is a valid CAS Registry Number.

96999-04-1Relevant articles and documents

Synthesis of 3-Amino-4-(3H)-quinazolinones from N-(2-Carbomethoxyphenyl) Imidate Esters

Leiby, Robert W.

, p. 2926 - 2929 (1985)

Novel difunctional aromatic synthons consisting of N-(2-carbomethoxyphenyl) imidate esters were synthesized by treatment of methyl anthranilate esters with aliphatic ortho esters.Treatment of the imidates with hydrazine, methylhydrazine, and phenylhydrazine yielded only quinazolinones and not isomeric 1,3,4-benzotriazepin-5-ones.The type of products obtained gave information relevant to elucidation of the mechanism of cyclization and the relative reactivities of the ester and imidate groups.

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