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40734-77-8

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40734-77-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40734-77-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,7,3 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 40734-77:
(7*4)+(6*0)+(5*7)+(4*3)+(3*4)+(2*7)+(1*7)=108
108 % 10 = 8
So 40734-77-8 is a valid CAS Registry Number.

40734-77-8Relevant articles and documents

Different pathways in the reaction of N-(tosylmethyl)-substituted ureas, thioureas, and N′-cyanoguanidines with sodium cyanide. Synthesis of α-ureido nitriles, α-ureido amides, and hydantoin imino derivatives

Fesenko, Anastasia A.,Shutalev, Anatoly D.

, (2020/09/04)

Reaction of N-(tosylmethyl)-substituted ureas, thioureas, and N′-cyanoguanidines, prepared by condensation of the corresponding amides with various aldehydes and p-toluenesulfinic acid, with NaCN has been studied. The outcome of the reaction is strongly d

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