78702-51-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78702-51-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,7,0 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 78702-51:
(7*7)+(6*8)+(5*7)+(4*0)+(3*2)+(2*5)+(1*1)=149
149 % 10 = 9
So 78702-51-9 is a valid CAS Registry Number.