77976-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77976-18-2 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 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77976-18:
(7*7)+(6*7)+(5*9)+(4*7)+(3*6)+(2*1)+(1*8)=192
192 % 10 = 2
So 77976-18-2 is a valid CAS Registry Number.