676620-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 676620-30-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,6,6,2 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 676620-30:
(8*6)+(7*7)+(6*6)+(5*6)+(4*2)+(3*0)+(2*3)+(1*0)=177
177 % 10 = 7
So 676620-30-7 is a valid CAS Registry Number.