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Molecular formula

C43H58N4O13

7 compounds have this formula on CompoundList.

Molar mass
838.95g/mol
Monoisotopic mass
838.4000Da
Atoms
118
Elements
4
Rings plus double bonds
17

The formula C43H58N4O13 describes a molecule made of 43 carbon atoms, 58 hydrogen atoms, 4 nitrogen atoms and 13 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 × 4361.56%
    12.011 × 43 = 516.473 g/mol
  • H Hydrogen × 586.97%
    1.008 × 58 = 58.464 g/mol
  • N Nitrogen × 46.68%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 1324.79%
    15.999 × 13 = 207.987 g/mol
Look up another formula

Compounds with the formula C43H58N4O13

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

Showing 1 to 7 of 7 compounds

Rifampicin N-oxide chemical structure, C43H58N4O13, CAS 51963-55-4
Rifampicin N-oxide
CAS 51963-55-4C43H58N4O13
Rifampicin EP impurity B chemical structure, C43H58N4O13, CAS 125833-03-6
Rifampicin EP impurity B
CAS 125833-03-6C43H58N4O13
Rifampicin N-4'-oxide chemical structure, C43H58N4O13
Rifampicin N-4'-oxide
C43H58N4O13
Rifampicin EP impurity B chemical structure, C43H58N4O13
Rifampicin EP impurity B
C43H58N4O13
Rifampicin N-4 inverted exclamation mark-Oxide chemical structure, C43H58N4O13
Rifampicin N-4 inverted exclamation mark-Oxide
C43H58N4O13
[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21E)-2,15,17,27,29-Pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-26-[(E)-(4-methyl-4-oxidopiperazin-4-ium-1-yl)iminomethyl]-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-13-yl] acetate chemical structure, C43H58N4O13
[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21E)-2,15,17,27,29-Pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-26-[(E)-(4-methyl-4-oxidopiperazin-4-ium-1-yl)iminomethyl]-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-13-yl] acetate
C43H58N4O13
[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21E)-2,15,17,27,29-Pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-26-[(4-methyl-4-oxidopiperazin-4-ium-1-yl)iminomethyl]-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-13-yl] acetate chemical structure, C43H58N4O13
[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21E)-2,15,17,27,29-Pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-26-[(4-methyl-4-oxidopiperazin-4-ium-1-yl)iminomethyl]-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-13-yl] acetate
C43H58N4O13

Frequently asked questions

What is the molar mass of C43H58N4O13?

The molar mass of C43H58N4O13 is 838.95 g/mol, calculated from standard atomic weights for 43 carbon atoms, 58 hydrogen atoms, 4 nitrogen atoms and 13 oxygen atoms. The monoisotopic mass is 838.4000 Da.

How many compounds have the formula C43H58N4O13?

CompoundList lists 7 compounds with the molecular formula C43H58N4O13, including Rifampicin N-oxide, Rifampicin EP impurity B, Rifampicin N-4'-oxide. 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 C43H58N4O13?

C43H58N4O13 has a degree of unsaturation of 17. 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.