70516-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70516-51-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,1 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 70516-51:
(7*7)+(6*0)+(5*5)+(4*1)+(3*6)+(2*5)+(1*1)=107
107 % 10 = 7
So 70516-51-7 is a valid CAS Registry Number.