253605-90-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 253605-90-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,6,0 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 253605-90:
(8*2)+(7*5)+(6*3)+(5*6)+(4*0)+(3*5)+(2*9)+(1*0)=132
132 % 10 = 2
So 253605-90-2 is a valid CAS Registry Number.