78129-64-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78129-64-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,2 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 78129-64:
(7*7)+(6*8)+(5*1)+(4*2)+(3*9)+(2*6)+(1*4)=153
153 % 10 = 3
So 78129-64-3 is a valid CAS Registry Number.