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Molecular formula

C43H51N3O11

12 compounds have this formula on CompoundList.

Molar mass
785.89g/mol
Monoisotopic mass
791.3900Da
Atoms
108
Elements
4
Rings plus double bonds
20

The formula C43H51N3O11 describes a molecule made of 43 carbon atoms, 51 hydrogen atoms, 3 nitrogen atoms and 11 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.

Elemental composition

  • C Carbon × 4365.72%
    12.011 × 43 = 516.473 g/mol
  • H Hydrogen × 516.54%
    1.008 × 51 = 51.408 g/mol
  • N Nitrogen × 35.35%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 1122.39%
    15.999 × 11 = 175.989 g/mol
Look up another formula

Compounds with the formula C43H51N3O11

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 12 of 12 compounds

Rifaximin chemical structure, C43H51N3O11, CAS 80621-81-4
Rifaximin
CAS 80621-81-4C43H51N3O11
[(7S,11S,12R,13S,14R,15R,16R,17S,18S,19Z,21Z)-2,15,17,36-Tetrahydroxy-11-methoxy-3,7,12,14,16,18,22,30-octamethyl-6,23-dioxo-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate chemical structure, C43H51N3O11, CAS 2387505-72-6
[(7S,11S,12R,13S,14R,15R,16R,17S,18S,19Z,21Z)-2,15,17,36-Tetrahydroxy-11-methoxy-3,7,12,14,16,18,22,30-octamethyl-6,23-dioxo-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate
CAS 2387505-72-6C43H51N3O11
Rifaximin-d6 chemical structure, C43H51N3O11, CAS 1262992-43-7
Rifaximin-d6
CAS 1262992-43-7C43H51N3O11
(2,15,17,36-Tetrahydroxy-11-methoxy-3,7,12,14,16,18,22,30-octamethyl-6,23-dioxo-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl) acetate chemical structure, C43H51N3O11
(2,15,17,36-Tetrahydroxy-11-methoxy-3,7,12,14,16,18,22,30-octamethyl-6,23-dioxo-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl) acetate
C43H51N3O11
Ansamycin R-116 chemical structure, C43H51N3O11, CAS 66781-07-5
Ansamycin R-116
CAS 66781-07-5C43H51N3O11
Rifaximin-d6 chemical structure, C43H51N3O11
Rifaximin-d6
C43H51N3O11
[(7S,11S,12R,13S,14R,15R,16R,17S,18S,21Z)-2,15,17,36-Tetrahydroxy-11-methoxy-3,7,12,14,16,18,22,30-octamethyl-6,23-dioxo-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate chemical structure, C43H51N3O11, CAS 2763741-04-2
[(7S,11S,12R,13S,14R,15R,16R,17S,18S,21Z)-2,15,17,36-Tetrahydroxy-11-methoxy-3,7,12,14,16,18,22,30-octamethyl-6,23-dioxo-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate
CAS 2763741-04-2C43H51N3O11
Rifaximin-d6(major) chemical structure, C43H51N3O11
Rifaximin-d6(major)
C43H51N3O11
[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E)-2,15,17,36-Tetrahydroxy-11-methoxy-3,7,12,14,16,18,22,30-octamethyl-6,23-dioxo-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate chemical structure, C43H51N3O11, CAS 88747-56-2
[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E)-2,15,17,36-Tetrahydroxy-11-methoxy-3,7,12,14,16,18,22,30-octamethyl-6,23-dioxo-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate
CAS 88747-56-2C43H51N3O11
[(7S,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-28,29,31-Trideuterio-2,15,17,36-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-30-(trideuteriomethyl)-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate chemical structure, C43H51N3O11
[(7S,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-28,29,31-Trideuterio-2,15,17,36-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-30-(trideuteriomethyl)-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate
C43H51N3O11
[(7S,9E,11S,12R,13S,14R,15R,17S,18S,19E,21Z)-28,29,31-Trideuterio-2,15,17,36-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-30-(trideuteriomethyl)-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate chemical structure, C43H51N3O11
[(7S,9E,11S,12R,13S,14R,15R,17S,18S,19E,21Z)-28,29,31-Trideuterio-2,15,17,36-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-30-(trideuteriomethyl)-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate
C43H51N3O11
[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S)-28,29,31-Trideuterio-2,15,17,36-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-30-(trideuteriomethyl)-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate chemical structure, C43H51N3O11
[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S)-28,29,31-Trideuterio-2,15,17,36-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-30-(trideuteriomethyl)-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate
C43H51N3O11

Frequently asked questions

What is the molar mass of C43H51N3O11?

The molar mass of C43H51N3O11 is 785.89 g/mol, calculated from standard atomic weights for 43 carbon atoms, 51 hydrogen atoms, 3 nitrogen atoms and 11 oxygen atoms. The monoisotopic mass is 791.3900 Da.

How many compounds have the formula C43H51N3O11?

CompoundList lists 12 compounds with the molecular formula C43H51N3O11, including Rifaximin, [(7S,11S,12R,13S,14R,15R,16R,17S,18S,19Z,21Z)-2,15,17,36-Tetrahydroxy-11-methoxy-3,7,12,14,16,18,22,30-octamethyl-6,23-dioxo-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate, Rifaximin-d6. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.

What is the degree of unsaturation of C43H51N3O11?

C43H51N3O11 has a degree of unsaturation of 20. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.