87489-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87489-81-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,8 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87489-81:
(7*8)+(6*7)+(5*4)+(4*8)+(3*9)+(2*8)+(1*1)=194
194 % 10 = 4
So 87489-81-4 is a valid CAS Registry Number.
87489-81-4Relevant academic research and scientific papers
Vedachalam, M.,Mohan, B.,Srinivasan, P.C.
, p. 3531 - 3532 (1983)
The bromo compound 1 upon alkylation with active methylene compounds followed by the removal of PhS- and PhSO2- groups furnished the title compounds.
