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Molecular formula

C20H21N7O5

8 compounds have this formula on CompoundList.

Molar mass
439.43g/mol
Monoisotopic mass
439.1604Da
Atoms
53
Elements
4
Rings plus double bonds
14

The formula C20H21N7O5 describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 7 nitrogen atoms and 5 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 × 2054.67%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 214.82%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 722.31%
    14.007 × 7 = 98.049 g/mol
  • O Oxygen × 518.20%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C20H21N7O5

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

Showing 1 to 8 of 8 compounds

10-Deazaaminopterin chemical structure, C20H21N7O5, CAS 52454-37-2
10-Deazaaminopterin
CAS 52454-37-2C20H21N7O5
5-Deazaaminopterin chemical structure, C20H21N7O5, CAS 80360-09-4
5-Deazaaminopterin
CAS 80360-09-4C20H21N7O5
2-Desamino-2-methylaminopterin chemical structure, C20H21N7O5, CAS 118869-52-6
2-Desamino-2-methylaminopterin
CAS 118869-52-6C20H21N7O5
(E)-7-(3-(Allyloxy)-2-hydroxypropyl)-3-methyl-8-(2-(2-oxoindolin-3-ylidene)hydrazinyl)-1H-purine-2,6(3H,7H)-dione chemical structure, C20H21N7O5, CAS 899358-10-2
(E)-7-(3-(Allyloxy)-2-hydroxypropyl)-3-methyl-8-(2-(2-oxoindolin-3-ylidene)hydrazinyl)-1H-purine-2,6(3H,7H)-dione
CAS 899358-10-2C20H21N7O5
2-[[4-[(2,4-Diaminopyrido[3,2-d]pyrimidin-6-yl)methylamino]benzoyl]amino]pentanedioic acid chemical structure, C20H21N7O5, CAS 76807-63-1
2-[[4-[(2,4-Diaminopyrido[3,2-d]pyrimidin-6-yl)methylamino]benzoyl]amino]pentanedioic acid
CAS 76807-63-1C20H21N7O5
1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-N-(2-(4-(3-methyl-1,2,4-oxadiazol-5-yl)-1H-1,2,3-triazol-1-yl)ethyl)-5-oxopyrrolidine-3-carboxamide chemical structure, C20H21N7O5, CAS 2034478-39-0
1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-N-(2-(4-(3-methyl-1,2,4-oxadiazol-5-yl)-1H-1,2,3-triazol-1-yl)ethyl)-5-oxopyrrolidine-3-carboxamide
CAS 2034478-39-0C20H21N7O5
3-[4-({[2-(2,6-Dioxopiperidin-3-yl)-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl]amino}methyl)-1H-1,2,3-triazol-1-yl]-N-methylpropanamide chemical structure, C20H21N7O5, CAS 2154342-67-1
3-[4-({[2-(2,6-Dioxopiperidin-3-yl)-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl]amino}methyl)-1H-1,2,3-triazol-1-yl]-N-methylpropanamide
CAS 2154342-67-1C20H21N7O5
N-[4-[2-(2,4-Diamino-7-pteridinyl)ethyl]benzoyl]-L-glutamic Acid chemical structure, C20H21N7O5, CAS 2058054-07-0
N-[4-[2-(2,4-Diamino-7-pteridinyl)ethyl]benzoyl]-L-glutamic Acid
CAS 2058054-07-0C20H21N7O5

Frequently asked questions

What is the molar mass of C20H21N7O5?

The molar mass of C20H21N7O5 is 439.43 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 7 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 439.1604 Da.

How many compounds have the formula C20H21N7O5?

CompoundList lists 8 compounds with the molecular formula C20H21N7O5, including 10-Deazaaminopterin, 5-Deazaaminopterin, 2-Desamino-2-methylaminopterin. 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 C20H21N7O5?

C20H21N7O5 has a degree of unsaturation of 14. 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.