288103-76-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 288103-76-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,8,1,0 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 288103-76:
(8*2)+(7*8)+(6*8)+(5*1)+(4*0)+(3*3)+(2*7)+(1*6)=154
154 % 10 = 4
So 288103-76-4 is a valid CAS Registry Number.