78074-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78074-81-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,0,7 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 78074-81:
(7*7)+(6*8)+(5*0)+(4*7)+(3*4)+(2*8)+(1*1)=154
154 % 10 = 4
So 78074-81-4 is a valid CAS Registry Number.