78131-46-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78131-46-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,3 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78131-46:
(7*7)+(6*8)+(5*1)+(4*3)+(3*1)+(2*4)+(1*6)=131
131 % 10 = 1
So 78131-46-1 is a valid CAS Registry Number.