Molecular formula

C₁₁H₂₀O₂Si

33 compounds have this formula on CompoundList.

Molar mass: 212.36g/mol
Monoisotopic mass: 212.1233Da
Atoms: 34
Elements: 4
Rings plus double bonds: 3

The formula C11H20O2Si describes a molecule made of 11 carbon atoms, 20 hydrogen atoms, 2 oxygen atoms and 1 silicon 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 × 1162.21%
12.011 × 11 = 132.121 g/mol
H Hydrogen × 209.49%
1.008 × 20 = 20.160 g/mol
O Oxygen × 215.07%
15.999 × 2 = 31.998 g/mol
Si Silicon × 113.22%
28.085 × 1 = 28.085 g/mol

Look up another formula

Compounds with the formula C11H20O2Si

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

Showing 1 to 33 of 33 compounds

(S)-4-tert-Butyldimethylsilyloxy-2-cyclopenten-1-one

CAS 61305-36-0C₁₁H₂₀O₂Si

tert-Butyl[(furan-2-yl)methoxy]dimethylsilane

CAS 121389-55-7C₁₁H₂₀O₂Si

5-((tert-Butyldimethylsilyl)oxy)pent-2-ynal

CAS 127390-81-2C₁₁H₂₀O₂Si

4-((tert-Butyl(dimethyl)silyl)oxy)cyclopent-2-en-1-one

CAS 56745-67-6C₁₁H₂₀O₂Si

2-(tert-Butyldimethylsiloxy)-3-methylfuran

CAS 131497-06-8C₁₁H₂₀O₂Si

Silane, (1,1-dimethylethyl)(3-furanylmethoxy)dimethyl-

CAS 89861-06-3C₁₁H₂₀O₂Si

3-Tetrahydropyranyloxy-1-trimethylsilyl-1-propyne

CAS 36551-06-1C₁₁H₂₀O₂Si

(4R)-(+)-t-Butyldimethylsiloxy-2-cyclopenten-1-one

CAS 61305-35-9C₁₁H₂₀O₂Si

5-[(tert-Butyldimethylsilyl)oxy]-3-pentyn-2-one

CAS 81535-82-2C₁₁H₂₀O₂Si

2,3-Diethyl-1-(trimethylsilyl)cycloprop-2-ene-1-carboxylic acid

CAS 736137-14-7C₁₁H₂₀O₂Si

3-Furanmethanol, 2-[(1,1-dimethylethyl)dimethylsilyl]-

CAS 117657-51-9C₁₁H₂₀O₂Si

Silane, triethyl(2-furanylmethoxy)-

CAS 17962-28-6C₁₁H₂₀O₂Si

1-{4-[(Trimethylsilyl)oxy]cyclohex-3-en-1-yl}ethan-1-one

CAS 61692-28-2C₁₁H₂₀O₂Si

2,5,5-Trimethyl-4-[(trimethylsilyl)oxy]cyclopent-2-en-1-one

CAS 66261-03-8C₁₁H₂₀O₂Si

Ethanone, 1-[2-[(trimethylsilyl)oxy]-1-cyclohexen-1-yl]-

CAS 62269-46-9C₁₁H₂₀O₂Si

Methyl 2-(trimethylsilyl)cyclohex-3-ene-1-carboxylate

CAS 61518-39-6C₁₁H₂₀O₂Si

2-(Trimethylsilyl)ethyl 2,2-dimethyl-3-butynoate

CAS 880652-50-6C₁₁H₂₀O₂Si

[5-(1,3-Dioxolan-2-yl)pent-1-yn-1-yl](trimethyl)silane

CAS 113964-34-4C₁₁H₂₀O₂Si

[(2-Ethenyl-1-methoxypenta-1,4-dien-1-yl)oxy](trimethyl)silane

CAS 89414-70-0C₁₁H₂₀O₂Si

[(5-Methoxy-2-methylcyclohexa-1,5-dien-1-yl)oxy](trimethyl)silane

CAS 426835-03-2C₁₁H₂₀O₂Si

{[2-(Cyclopent-3-en-1-ylidene)ethoxy]methoxy}(trimethyl)silane

CAS 591737-92-7C₁₁H₂₀O₂Si

1-(Tetrahydro-2H-pyran-4-yl)-3-(trimethylsilyl)prop-2-yn-1-ol

CAS 1186094-19-8C₁₁H₂₀O₂Si

Methyl 5-(trimethylsilyl)cyclohex-3-ene-1-carboxylate

CAS 61518-41-0C₁₁H₂₀O₂Si

3-Methyl-6-(trimethylsilyl)cyclohex-3-ene-1-carboxylic acid

CAS 88946-52-5C₁₁H₂₀O₂Si

Frequently asked questions

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What is the molar mass of C11H20O2Si?

The molar mass of C11H20O2Si is 212.36 g/mol, calculated from standard atomic weights for 11 carbon atoms, 20 hydrogen atoms, 2 oxygen atoms and 1 silicon atom. The monoisotopic mass is 212.1233 Da.

How many compounds have the formula C11H20O2Si?

CompoundList lists 33 compounds with the molecular formula C11H20O2Si, including (S)-4-tert-Butyldimethylsilyloxy-2-cyclopenten-1-one, tert-Butyl[(furan-2-yl)methoxy]dimethylsilane, 5-((tert-Butyldimethylsilyl)oxy)pent-2-ynal. 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 C11H20O2Si?

C11H20O2Si has a degree of unsaturation of 3. 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.