250253-81-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 250253-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,2,5 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 250253-81:
(8*2)+(7*5)+(6*0)+(5*2)+(4*5)+(3*3)+(2*8)+(1*1)=107
107 % 10 = 7
So 250253-81-7 is a valid CAS Registry Number.