1029571-41-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1029571-41-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,9,5,7 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1029571-41:
(9*1)+(8*0)+(7*2)+(6*9)+(5*5)+(4*7)+(3*1)+(2*4)+(1*1)=142
142 % 10 = 2
So 1029571-41-2 is a valid CAS Registry Number.
1029571-41-2Relevant articles and documents
One-pot two step synthesis of 5-cyano-dihydropyrimidinones using polyphosphate ester
Schmidt, Robert J.,Lombardo, Louis J.,Traeger, Sarah C.,Williams, David K.
, p. 3009 - 3010 (2008/09/20)
A combination of a modified Biginelli reaction and a polyphosphate ester (PPE)-promoted dehydration reaction provides 5-cyano-dihydropyrimidinones in good to excellent overall yields.