21987-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21987-19-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,9,8 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 21987-19:
(7*2)+(6*1)+(5*9)+(4*8)+(3*7)+(2*1)+(1*9)=129
129 % 10 = 9
So 21987-19-9 is a valid CAS Registry Number.
21987-19-9Relevant academic research and scientific papers
Sonnet, Philip E.,Osman, Stanley
, p. 369 - 374 (1995)
Several triglycerides were synthesized with an iodoaroyl group.Intramolecular radical chain transfer chlorinations were conducted that resulted in the associated pair of fatty acids of the triglyceride becoming chlorinated.The distribution of monochlorina