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244032-72-2

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244032-72-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 244032-72-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,4,0,3 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 244032-72:
(8*2)+(7*4)+(6*4)+(5*0)+(4*3)+(3*2)+(2*7)+(1*2)=102
102 % 10 = 2
So 244032-72-2 is a valid CAS Registry Number.

244032-72-2Relevant articles and documents

Reductive alkylation of thioureas: A highly practical synthesis of unsymmetrical N,N′-disubstituted thioureas

Ciszewski, Lech,Xu, Daquiang,Repi?, Oljan,Blacklock, Thomas J.

, p. 8091 - 8093 (2004)

A highly practical synthesis of unsymmetrical N,N′-disubstituted thioureas by the reductive alkylation of N-monosubstituted thioureas with aldehydes is described. N-Monosubstituted thioureas can in turn be synthesized by the reductive amination of thiourea with an appropriate aldehyde. This reductive alkylation methodology was also extended to carbamates.

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