78870-77-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78870-77-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,8,7 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78870-77:
(7*7)+(6*8)+(5*8)+(4*7)+(3*0)+(2*7)+(1*7)=186
186 % 10 = 6
So 78870-77-6 is a valid CAS Registry Number.