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920752-29-0

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920752-29-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 920752-29-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,0,7,5 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 920752-29:
(8*9)+(7*2)+(6*0)+(5*7)+(4*5)+(3*2)+(2*2)+(1*9)=160
160 % 10 = 0
So 920752-29-0 is a valid CAS Registry Number.

920752-29-0Relevant articles and documents

Regioselective synthesis of 2,4,6-triaminopyridines

Shetty, Rupa,Nguyen, Duyan,Flubacher, Dietmar,Ruggle, Franziska,Schumacher, Andreas,Kelly, Martha,Michelotti, Enrique

, p. 113 - 117 (2007/10/03)

A regioselective synthesis of 2,4,6-trisubstituted pyridine is described starting from 2,6-dibromo-4-nitropyridine. All three different regioisomers of the 2,4,6-triamino substituted pyridine have been synthesized in four to five steps. The method described is a general route to unsymmetrical 2,4,6-trisubstituted amino pyridines.

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