89816-56-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89816-56-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,1 and 6 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89816-56:
(7*8)+(6*9)+(5*8)+(4*1)+(3*6)+(2*5)+(1*6)=188
188 % 10 = 8
So 89816-56-8 is a valid CAS Registry Number.
89816-56-8Relevant articles and documents
The Synthesis of All of the Dimethyldibenzothiophenes and Monoethyldibenzothiophenes
Tedjamulia, Marvin L.,Tominaga, Yoshinori,Castle, Raymond N.
, p. 1485 - 1495 (2007/10/02)
The synthesis of all four isomers of the monoethyldibenzothiophenes and all of the sixteen isomers of the dimethyldibenzothiophenes has been accomplished.