142503-36-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142503-36-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,5,0 and 3 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 142503-36:
(8*1)+(7*4)+(6*2)+(5*5)+(4*0)+(3*3)+(2*3)+(1*6)=94
94 % 10 = 4
So 142503-36-4 is a valid CAS Registry Number.
142503-36-4Relevant articles and documents
Synthesis of some fluorinated nitrogen heterocycles from (diethylaminomethylene) hexafluoroacetylacetone (DAMFA)
Soufyane, Mustapha
, p. 7737 - 7740 (2007/10/02)
Simple and highly efficient syntheses of the title compounds from DAMFA are described in the quinoline, azepinonaphtalene, azaphenanthrene(s), pyridopyridine, pyrazole, pyrrole and pyrimidine series.