208934-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208934-93-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,9,3 and 4 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 208934-93:
(8*2)+(7*0)+(6*8)+(5*9)+(4*3)+(3*4)+(2*9)+(1*3)=154
154 % 10 = 4
So 208934-93-4 is a valid CAS Registry Number.