208333-70-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208333-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,3,3 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 208333-70:
(8*2)+(7*0)+(6*8)+(5*3)+(4*3)+(3*3)+(2*7)+(1*0)=114
114 % 10 = 4
So 208333-70-4 is a valid CAS Registry Number.