31170-29-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31170-29-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,1,7 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 31170-29:
(7*3)+(6*1)+(5*1)+(4*7)+(3*0)+(2*2)+(1*9)=73
73 % 10 = 3
So 31170-29-3 is a valid CAS Registry Number.