31025-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31025-67-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,0,2 and 5 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 31025-67:
(7*3)+(6*1)+(5*0)+(4*2)+(3*5)+(2*6)+(1*7)=69
69 % 10 = 9
So 31025-67-9 is a valid CAS Registry Number.