129147-66-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129147-66-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,4 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 129147-66:
(8*1)+(7*2)+(6*9)+(5*1)+(4*4)+(3*7)+(2*6)+(1*6)=136
136 % 10 = 6
So 129147-66-6 is a valid CAS Registry Number.
129147-66-6Relevant articles and documents
Synthesis of Novel 3-Carboethoxy-6-methyl-4-oxo-4H-pyrimidotriazinobenzimidazoles
Murty, M. S. R.,Ramalingam, T.,Sattur, P. B.
, p. 949 - 950 (2007/10/02)
Reaction of 4-amino-2-methylbenzimidazotriazines 2 with diethyl ethoxymethylenemalonate afforded 3-carboethoxy-6-methyl-4-oxo-4H-pyrimidotriazinobenzimidazoles 3, a new ring system.