497-73-4 Usage
Definition
ChEBI: A twelve-membered macrolide antibiotic that is biosynthesised by Streptomyces venezuelae.
Check Digit Verification of cas no
The CAS Registry Mumber 497-73-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,9 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 497-73:
(5*4)+(4*9)+(3*7)+(2*7)+(1*3)=94
94 % 10 = 4
So 497-73-4 is a valid CAS Registry Number.
InChI:InChI=1/C25H43NO7/c1-13-9-10-20(28)14(2)11-15(3)22(17(5)24(30)32-23(13)18(6)27)33-25-21(29)19(26(7)8)12-16(4)31-25/h9-10,13-19,21-23,25,27,29H,11-12H2,1-8H3/b10-9+/t13-,14-,15+,16-,17-,18-,19+,21-,22+,23+,25+/m1/s1