70216-52-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70216-52-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,1 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 70216-52:
(7*7)+(6*0)+(5*2)+(4*1)+(3*6)+(2*5)+(1*2)=93
93 % 10 = 3
So 70216-52-3 is a valid CAS Registry Number.