253435-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 253435-18-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,4,3 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 253435-18:
(8*2)+(7*5)+(6*3)+(5*4)+(4*3)+(3*5)+(2*1)+(1*8)=126
126 % 10 = 6
So 253435-18-6 is a valid CAS Registry Number.