18556-27-9 Usage
Definition
ChEBI: A charged berberine alkaloid obtained by N-methylation of (S)-scoulerine.
Check Digit Verification of cas no
The CAS Registry Mumber 18556-27-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,5,5 and 6 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 18556-27:
(7*1)+(6*8)+(5*5)+(4*5)+(3*6)+(2*2)+(1*7)=129
129 % 10 = 9
So 18556-27-9 is a valid CAS Registry Number.
InChI:InChI=1/C20H23NO4/c1-21-7-6-13-9-19(25-3)17(22)10-14(13)16(21)8-12-4-5-18(24-2)20(23)15(12)11-21/h4-5,9-10,16H,6-8,11H2,1-3H3,(H-,22,23)/p+1/t16-,21-/m0/s1