88720-58-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 88720-58-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,7,2 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 88720-58:
(7*8)+(6*8)+(5*7)+(4*2)+(3*0)+(2*5)+(1*8)=165
165 % 10 = 5
So 88720-58-5 is a valid CAS Registry Number.