31210-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31210-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,2,1 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 31210-74:
(7*3)+(6*1)+(5*2)+(4*1)+(3*0)+(2*7)+(1*4)=59
59 % 10 = 9
So 31210-74-9 is a valid CAS Registry Number.