87-50-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87-50-3 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 87-50:
(4*8)+(3*7)+(2*5)+(1*0)=63
63 % 10 = 3
So 87-50-3 is a valid CAS Registry Number.