253584-57-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 253584-57-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,5,8 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 253584-57:
(8*2)+(7*5)+(6*3)+(5*5)+(4*8)+(3*4)+(2*5)+(1*7)=155
155 % 10 = 5
So 253584-57-5 is a valid CAS Registry Number.