253274-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 253274-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,2,7 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 253274-91:
(8*2)+(7*5)+(6*3)+(5*2)+(4*7)+(3*4)+(2*9)+(1*1)=138
138 % 10 = 8
So 253274-91-8 is a valid CAS Registry Number.