288388-08-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 288388-08-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,8,3,8 and 8 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 288388-08:
(8*2)+(7*8)+(6*8)+(5*3)+(4*8)+(3*8)+(2*0)+(1*8)=199
199 % 10 = 9
So 288388-08-9 is a valid CAS Registry Number.