28880-66-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28880-66-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,8,8 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 28880-66:
(7*2)+(6*8)+(5*8)+(4*8)+(3*0)+(2*6)+(1*6)=152
152 % 10 = 2
So 28880-66-2 is a valid CAS Registry Number.
InChI:InChI=1/C15H19Cl3O4/c1-3-4-5-20-10(2)8-22-15(19)9-21-14-7-12(17)11(16)6-13(14)18/h6-7,10H,3-5,8-9H2,1-2H3