Molecular formula

C₂₀H₁₃N₂NaO₄S

9 compounds have this formula on CompoundList.

Molar mass: 400.38g/mol
Monoisotopic mass: 400.0494Da
Atoms: 41
Elements: 6

The formula C20H13N2NaO4S describes a molecule made of 20 carbon atoms, 13 hydrogen atoms, 2 nitrogen atoms, 1 sodium atom, 4 oxygen atoms and 1 sulfur atom. 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 × 2060.00%
12.011 × 20 = 240.220 g/mol
H Hydrogen × 133.27%
1.008 × 13 = 13.104 g/mol
N Nitrogen × 27.00%
14.007 × 2 = 28.014 g/mol
Na Sodium × 15.74%
22.99 × 1 = 22.990 g/mol
O Oxygen × 415.98%
15.999 × 4 = 63.996 g/mol
S Sulfur × 18.01%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C20H13N2NaO4S

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

Showing 1 to 9 of 9 compounds

Acid red 88

CAS 1658-56-6C₂₀H₁₃N₂NaO₄S

C.I. Pigment Red 49

CAS 1248-18-6C₂₀H₁₃N₂NaO₄S

1-Naphthalenesulfonic acid, 5-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt

CAS 5850-93-1C₂₀H₁₃N₂NaO₄S

2-Naphthalenesulfonic acid, 5-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-, sodium salt (1:1)

CAS 68133-05-1C₂₀H₁₃N₂NaO₄S

C.I. Acid Brown 6

CAS 6409-10-5C₂₀H₁₃N₂NaO₄S

1-Naphthalenesulfonic acid, 5-hydroxy-6-(2-(1-naphthalenyl)diazenyl)-, sodium salt (1:1)

CAS 5858-53-7C₂₀H₁₃N₂NaO₄S

Acid Red 9

CAS 8003-59-6C₂₀H₁₃N₂NaO₄S

Sodium 6-((2-hydroxynaphthalen-1-yl)diazenyl)naphthalene-2-sulfonate

C₂₀H₁₃N₂NaO₄S

Sodium, 1-[(6-sulfonaphthalen-2-yl)diazenyl]naphthalen-2-olate

C₂₀H₁₃N₂NaO₄S

Frequently asked questions

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What is the molar mass of C20H13N2NaO4S?

The molar mass of C20H13N2NaO4S is 400.38 g/mol, calculated from standard atomic weights for 20 carbon atoms, 13 hydrogen atoms, 2 nitrogen atoms, 1 sodium atom, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 400.0494 Da.

How many compounds have the formula C20H13N2NaO4S?

CompoundList lists 9 compounds with the molecular formula C20H13N2NaO4S, including Acid red 88, C.I. Pigment Red 49, 1-Naphthalenesulfonic acid, 5-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.