77974-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77974-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,7 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77974-91:
(7*7)+(6*7)+(5*9)+(4*7)+(3*4)+(2*9)+(1*1)=195
195 % 10 = 5
So 77974-91-5 is a valid CAS Registry Number.
77974-91-5Relevant articles and documents
Fluorinated diacrylic esters
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, (2008/06/13)
A diacrylate monomer represented by the formula: STR1 wherein R represent CF3 or C2 F5, R' represents --H or --sub.3, R" represents H or --(CF2)n F, and n is an integer from 1 to 10, and polymer there