123486-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123486-05-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,4,8 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 123486-05:
(8*1)+(7*2)+(6*3)+(5*4)+(4*8)+(3*6)+(2*0)+(1*5)=115
115 % 10 = 5
So 123486-05-5 is a valid CAS Registry Number.
123486-05-5Relevant academic research and scientific papers
SYNTHESIS OF SUBSTITUTED 1,2,3,4-TETRAHYDRO-6-METHYL-2-OXO-5-PYRIMIDINECARBOXYLIC ACID ESTERS: THE BIGINELLI CONDENSATION REVISITED
O'Reilly, Brian C.,Atwal, Karnail S.
, p. 1185 - 1188 (2007/10/02)
A general synthesis of substituted 1,2,3,4-tetrahydro-6-methyl-2-oxo-5-pyrimidinecarboxylic acid esters from 2-methylene-3-oxobutanoic acid esters and O-methylisourea hydrogen sulfate is reported.