425626-31-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 425626-31-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,5,6,2 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 425626-31:
(8*4)+(7*2)+(6*5)+(5*6)+(4*2)+(3*6)+(2*3)+(1*1)=139
139 % 10 = 9
So 425626-31-9 is a valid CAS Registry Number.