748-88-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 748-88-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,4 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 748-88:
(5*7)+(4*4)+(3*8)+(2*8)+(1*8)=99
99 % 10 = 9
So 748-88-9 is a valid CAS Registry Number.