65669-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65669-71-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,6,6 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65669-71:
(7*6)+(6*5)+(5*6)+(4*6)+(3*9)+(2*7)+(1*1)=168
168 % 10 = 8
So 65669-71-8 is a valid CAS Registry Number.
InChI:InChI=1/C20H32O4/c1-13-6-5-10-19(3,22)17-12-15(14(2)18(21)23-17)9-11-20(4)16(24-20)8-7-13/h6,14-17,22H,5,7-12H2,1-4H3/b13-6-/t14-,15+,16?,17+,19-,20-/m0/s1