7288-15-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7288-15-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,8 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 7288-15:
(6*7)+(5*2)+(4*8)+(3*8)+(2*1)+(1*5)=115
115 % 10 = 5
So 7288-15-5 is a valid CAS Registry Number.