18118-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18118-80-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,1,1 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 18118-80:
(7*1)+(6*8)+(5*1)+(4*1)+(3*8)+(2*8)+(1*0)=104
104 % 10 = 4
So 18118-80-4 is a valid CAS Registry Number.
InChI:InChI=1/C21H28O6/c1-19-7-6-14(24)18(19)13(23)4-3-11-12-5-8-21(27,16(26)10-22)20(12,2)9-15(25)17(11)19/h6-7,11-12,15,17-18,22,25,27H,3-5,8-10H2,1-2H3/t11-,12-,15-,17+,18?,19+,20-,21-/m0/s1