87233-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87233-72-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,3 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87233-72:
(7*8)+(6*7)+(5*2)+(4*3)+(3*3)+(2*7)+(1*2)=145
145 % 10 = 5
So 87233-72-5 is a valid CAS Registry Number.