251909-37-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 251909-37-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,1,9,0 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 251909-37:
(8*2)+(7*5)+(6*1)+(5*9)+(4*0)+(3*9)+(2*3)+(1*7)=142
142 % 10 = 2
So 251909-37-2 is a valid CAS Registry Number.