155251-31-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155251-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,2,5 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 155251-31:
(8*1)+(7*5)+(6*5)+(5*2)+(4*5)+(3*1)+(2*3)+(1*1)=113
113 % 10 = 3
So 155251-31-3 is a valid CAS Registry Number.