77862-43-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77862-43-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,6 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77862-43:
(7*7)+(6*7)+(5*8)+(4*6)+(3*2)+(2*4)+(1*3)=172
172 % 10 = 2
So 77862-43-2 is a valid CAS Registry Number.