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98606-99-6

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98606-99-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98606-99-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,6,0 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98606-99:
(7*9)+(6*8)+(5*6)+(4*0)+(3*6)+(2*9)+(1*9)=186
186 % 10 = 6
So 98606-99-6 is a valid CAS Registry Number.

98606-99-6Relevant articles and documents

Enamines; 44. 2-Acyl-1,1-diamino-ethenes. A New Source of Methylketones, β-Keto Amides and β-Keto Esters

Armati, Antonella,Ruggieri, Pietro De,Rossi, Elisabetta,Stradi, Riccardo

, p. 573 - 576 (2007/10/02)

A general synthesis of 2-acyl-1,1-diamino-ethenes by reaction of 1,1-dimorpholino- and 1,1-dipiperidino-ethenes with aliphatic and aromatic acyl chlorides and their utilization as a source of methylketones, β-keto amides and β-keto esters is reported.

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