549-66-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 549-66-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,4 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 549-66:
(5*5)+(4*4)+(3*9)+(2*6)+(1*6)=86
86 % 10 = 6
So 549-66-6 is a valid CAS Registry Number.
InChI:InChI=1/C20H24N2O2.C5H10O2/c1-3-13-12-22-9-7-14(13)10-19(22)20(23)16-6-8-21-18-5-4-15(24-2)11-17(16)18;1-2-3-4-5(6)7/h3-6,8,11,13-14,19-20,23H,1,7,9-10,12H2,2H3;2-4H2,1H3,(H,6,7)/t13-,14-,19-,20+;/m0./s1