129220-59-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129220-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,2 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 129220-59:
(8*1)+(7*2)+(6*9)+(5*2)+(4*2)+(3*0)+(2*5)+(1*9)=113
113 % 10 = 3
So 129220-59-3 is a valid CAS Registry Number.
129220-59-3Relevant articles and documents
1-Amino- und 1-Alkylamino-4-hydroxy-4-methyl-1-penten-3-one aus 2,2-Dimethyl-3(2H)-furanon
Patjens, Jan,Margaretha, Paul
, p. 476 - 477 (2007/10/02)
1-Amino- and 1-alkylamino-4-hydroxy-4-methyl-1-penten-3-ones are obtainde in good yield at room temperature from 2,2-dimethyl-3(2H)-furanone and ammonia or primary amines, respectively.
