83558-23-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83558-23-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,5,5 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83558-23:
(7*8)+(6*3)+(5*5)+(4*5)+(3*8)+(2*2)+(1*3)=150
150 % 10 = 0
So 83558-23-0 is a valid CAS Registry Number.