153451-23-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 153451-23-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,4,5 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 153451-23:
(8*1)+(7*5)+(6*3)+(5*4)+(4*5)+(3*1)+(2*2)+(1*3)=111
111 % 10 = 1
So 153451-23-1 is a valid CAS Registry Number.