69003-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69003-31-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,0,0 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69003-31:
(7*6)+(6*9)+(5*0)+(4*0)+(3*3)+(2*3)+(1*1)=112
112 % 10 = 2
So 69003-31-2 is a valid CAS Registry Number.