77874-46-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77874-46-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,7 and 4 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77874-46:
(7*7)+(6*7)+(5*8)+(4*7)+(3*4)+(2*4)+(1*6)=185
185 % 10 = 5
So 77874-46-5 is a valid CAS Registry Number.