77814-41-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77814-41-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,1 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77814-41:
(7*7)+(6*7)+(5*8)+(4*1)+(3*4)+(2*4)+(1*1)=156
156 % 10 = 6
So 77814-41-6 is a valid CAS Registry Number.