812644-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 812644-77-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,2,6,4 and 4 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 812644-77:
(8*8)+(7*1)+(6*2)+(5*6)+(4*4)+(3*4)+(2*7)+(1*7)=162
162 % 10 = 2
So 812644-77-2 is a valid CAS Registry Number.