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292164-57-9

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292164-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 292164-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,2,1,6 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 292164-57:
(8*2)+(7*9)+(6*2)+(5*1)+(4*6)+(3*4)+(2*5)+(1*7)=149
149 % 10 = 9
So 292164-57-9 is a valid CAS Registry Number.

292164-57-9Downstream Products

292164-57-9Relevant articles and documents

Efficient and versatile single pot approach to dipyrromethanes and bis(heterocyclyl)methanes

Singh, Kamaljit,Behal, Sonia,Hundal, Maninder Singh

, p. 6614 - 6622 (2007/10/03)

An efficient single pot route is presented involving the use of O, N-perhydro 1,3-heterocycles as carbonyl equivalents for the synthesis of 5-substituted dipyrromethanes, 5,10-disubstituted tripyrranes and bis(heterocyclyl)methanes.

Optimizing the synthesis of 5,10-disubstituted tripyrromethanes

Ka, Jae-Won,Lee, Chang-Hee

, p. 4609 - 4613 (2007/10/03)

Condensation of aldehydes with pyrrole in the presence of acid catalyst gave the mixture of dipyrromethanes and tripyrromethanes. The major product was switched from dipyrromethanes to tripyrromethanes according to the sequence of adding the reactants and

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