88503-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 88503-31-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,5,0 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 88503-31:
(7*8)+(6*8)+(5*5)+(4*0)+(3*3)+(2*3)+(1*1)=145
145 % 10 = 5
So 88503-31-5 is a valid CAS Registry Number.