312917-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 312917-25-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,2,9,1 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 312917-25:
(8*3)+(7*1)+(6*2)+(5*9)+(4*1)+(3*7)+(2*2)+(1*5)=122
122 % 10 = 2
So 312917-25-2 is a valid CAS Registry Number.