87507-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87507-73-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,0 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87507-73:
(7*8)+(6*7)+(5*5)+(4*0)+(3*7)+(2*7)+(1*3)=161
161 % 10 = 1
So 87507-73-1 is a valid CAS Registry Number.