289652-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 289652-61-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,9,6,5 and 2 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 289652-61:
(8*2)+(7*8)+(6*9)+(5*6)+(4*5)+(3*2)+(2*6)+(1*1)=195
195 % 10 = 5
So 289652-61-5 is a valid CAS Registry Number.