158233-45-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158233-45-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,2,3 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 158233-45:
(8*1)+(7*5)+(6*8)+(5*2)+(4*3)+(3*3)+(2*4)+(1*5)=135
135 % 10 = 5
So 158233-45-5 is a valid CAS Registry Number.