288313-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 288313-93-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,8,3,1 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 288313-93:
(8*2)+(7*8)+(6*8)+(5*3)+(4*1)+(3*3)+(2*9)+(1*3)=169
169 % 10 = 9
So 288313-93-9 is a valid CAS Registry Number.