677301-12-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 677301-12-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,7,3,0 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 677301-12:
(8*6)+(7*7)+(6*7)+(5*3)+(4*0)+(3*1)+(2*1)+(1*2)=161
161 % 10 = 1
So 677301-12-1 is a valid CAS Registry Number.