520-68-3 Usage
Uses
(+)-Echimidine, is a a hepatotoxic pyrrolizidine alkaloid. It is found to be present in comfrey, inducing genotoxicity and carcinogenicity.
Check Digit Verification of cas no
The CAS Registry Mumber 520-68-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,2 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 520-68:
(5*5)+(4*2)+(3*0)+(2*6)+(1*8)=53
53 % 10 = 3
So 520-68-3 is a valid CAS Registry Number.
InChI:InChI=1/C20H31NO7/c1-6-12(2)17(23)28-15-8-10-21-9-7-14(16(15)21)11-27-18(24)20(26,13(3)22)19(4,5)25/h6-7,13,15-16,22,25-26H,8-11H2,1-5H3/b12-6-/t13-,15+,16+,20-/m0/s1