847231-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 847231-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,7,2,3 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 847231-05:
(8*8)+(7*4)+(6*7)+(5*2)+(4*3)+(3*1)+(2*0)+(1*5)=164
164 % 10 = 4
So 847231-05-4 is a valid CAS Registry Number.