676995-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 676995-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,6,9,9 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 676995-91:
(8*6)+(7*7)+(6*6)+(5*9)+(4*9)+(3*5)+(2*9)+(1*1)=248
248 % 10 = 8
So 676995-91-8 is a valid CAS Registry Number.