C21H27NO7
19 compounds have this formula on CompoundList.
- Molar mass
- 405.45g/mol
- Monoisotopic mass
- 405.1788Da
- Atoms
- 56
- Elements
- 4
- Rings plus double bonds
- 9
The formula C21H27NO7 describes a molecule made of 21 carbon atoms, 27 hydrogen atoms, 1 nitrogen atom and 7 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 × 2162.21%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 276.71%1.008 × 27 = 27.216 g/mol
- N Nitrogen × 13.45%14.007 × 1 = 14.007 g/mol
- O Oxygen × 727.62%15.999 × 7 = 111.993 g/mol
Compounds with the formula C21H27NO7
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 19 of 19 compounds
![[1-[3,4-Dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-oxo-4-pyridinyl] adamantane-1-carboxylate chemical structure, C21H27NO7, CAS 40521-08-2](/s/BFMYZJUICQKXGG-UHFFFAOYSA-N.svg)
![Ethyl (4Z)-1-(2-methoxyethyl)-2-methyl-5-oxo-4-[(3,4,5-trimethoxyphenyl)methylidene]pyrrole-3-carboxylate chemical structure, C21H27NO7, CAS 329731-36-4](/s/IHYWHBSWXMOVQK-GDNBJRDFSA-N.svg)
![1,1-Dimethylethyl (2R)-2-[[[2-(ethoxycarbonyl)-5-benzofuranyl]oxy]methyl]-4-morpholinecarboxylate chemical structure, C21H27NO7, CAS 919286-66-1](/s/GJLUYXPMBYHCNR-MRXNPFEDSA-N.svg)
![(1S,4Z,6R,7R,17R)-7-Acetyloxy-4-ethenyl-6,7,14-trimethyl-3,8-dioxo-2,9-dioxa-14-azoniatricyclo[9.5.1.014,17]heptadeca-4,11-dien-17-olate chemical structure, C21H27NO7](/s/YEGVHSDONMXATH-WEYBZNMHSA-N.svg)
![(1R,4Z,6S,7S)-7-Acetyloxy-4-ethenyl-6,7,14-trimethyl-3,8-dioxo-2,9-dioxa-14-azoniatricyclo[9.5.1.014,17]heptadeca-4,11-dien-17-olate chemical structure, C21H27NO7](/s/YEGVHSDONMXATH-LKVOMWJFSA-N.svg)
![N-[3-(2,2-Dimethyl-4,6-dioxo-1,3-dioxan-5-yl)-3-oxo-1-(phenylmethyl)propyl]carbamic acid 1,1-dimethylethyl ester chemical structure, C21H27NO7, CAS 845538-58-1](/s/LZGAKXMAOJBCBO-UHFFFAOYSA-N.svg)
![(1R,8S,10S,11S,12S,13S)-13-Hydroxy-3,4,11,12-tetramethoxy-17-methyl-18-oxa-17-azapentacyclo[8.4.3.18,11.01,10.02,7]octadeca-2(7),3,5-trien-16-one chemical structure, C21H27NO7](/s/OUWUCZBFYDREBB-WYCRWZGLSA-N.svg)
![(1R,10S,11R)-13-Hydroxy-3,4,11,12-tetramethoxy-17-methyl-18-oxa-17-azapentacyclo[8.4.3.18,11.01,10.02,7]octadeca-2(7),3,5-trien-16-one chemical structure, C21H27NO7](/s/OUWUCZBFYDREBB-RQBBZRAFSA-N.svg)
![(1R,8S,10S,12S,13S)-13-Hydroxy-3,4,11,12-tetramethoxy-17-methyl-18-oxa-17-azapentacyclo[8.4.3.18,11.01,10.02,7]octadeca-2(7),3,5-trien-16-one chemical structure, C21H27NO7](/s/OUWUCZBFYDREBB-YMXJYXCSSA-N.svg)
![(1R,4Z,6S,7S,17S)-7-Acetyloxy-4-ethenyl-6,7,14-trimethyl-3,8-dioxo-2,9-dioxa-14-azoniatricyclo[9.5.1.014,17]heptadeca-4,11-dien-17-olate chemical structure, C21H27NO7](/s/YEGVHSDONMXATH-XNDQNTFUSA-N.svg)
![7-Acetyloxy-4-ethenyl-6,7,14-trimethyl-3,8-dioxo-2,9-dioxa-14-azoniatricyclo[9.5.1.014,17]heptadeca-4,11-dien-17-olate chemical structure, C21H27NO7](/s/YEGVHSDONMXATH-UHFFFAOYSA-N.svg)
Frequently asked questions
What is the molar mass of C21H27NO7?
The molar mass of C21H27NO7 is 405.45 g/mol, calculated from standard atomic weights for 21 carbon atoms, 27 hydrogen atoms, 1 nitrogen atom and 7 oxygen atoms. The monoisotopic mass is 405.1788 Da.
How many compounds have the formula C21H27NO7?
CompoundList lists 19 compounds with the molecular formula C21H27NO7, including Clivorine, 2,4-Dihydroxy-2-(4-hydroxy-3-methoxybenzyl)-3-(3,4-dimethoxybenzyl)butyramide, (5R)-5-((3,6-Dideoxy-4-O-(1H-indol-3-ylcarbonyl)-alpha-L-arabino-hexopyranosyl)oxy)hexanoic acid. 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 C21H27NO7?
C21H27NO7 has a degree of unsaturation of 9. 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.