81358-88-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81358-88-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,5 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81358-88:
(7*8)+(6*1)+(5*3)+(4*5)+(3*8)+(2*8)+(1*8)=145
145 % 10 = 5
So 81358-88-5 is a valid CAS Registry Number.