847830-66-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 847830-66-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,7,8,3 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 847830-66:
(8*8)+(7*4)+(6*7)+(5*8)+(4*3)+(3*0)+(2*6)+(1*6)=204
204 % 10 = 4
So 847830-66-4 is a valid CAS Registry Number.