70247-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70247-83-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,4 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70247-83:
(7*7)+(6*0)+(5*2)+(4*4)+(3*7)+(2*8)+(1*3)=115
115 % 10 = 5
So 70247-83-5 is a valid CAS Registry Number.