31011-67-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31011-67-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,0,1 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 31011-67:
(7*3)+(6*1)+(5*0)+(4*1)+(3*1)+(2*6)+(1*7)=53
53 % 10 = 3
So 31011-67-3 is a valid CAS Registry Number.