Molecular formula

C₁₂H₂₁NO₃Si

23 compounds have this formula on CompoundList.

Molar mass: 255.39g/mol
Monoisotopic mass: 255.1291Da
Atoms: 38
Elements: 5
Rings plus double bonds: 4

The formula C12H21NO3Si describes a molecule made of 12 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 3 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 × 1256.44%
12.011 × 12 = 144.132 g/mol
H Hydrogen × 218.29%
1.008 × 21 = 21.168 g/mol
N Nitrogen × 15.48%
14.007 × 1 = 14.007 g/mol
O Oxygen × 318.79%
15.999 × 3 = 47.997 g/mol
Si Silicon × 111.00%
28.085 × 1 = 28.085 g/mol

Look up another formula

Compounds with the formula C12H21NO3Si

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

Showing 1 to 23 of 23 compounds

N-Phenyl-3-aminopropyltrimethoxysilane

CAS 3068-76-6C₁₂H₂₁NO₃Si

4-Triethoxysilylaniline

CAS 7003-80-7C₁₂H₂₁NO₃Si

Benzenemethanamine, 3(or 4)-[2-(trimethoxysilyl)ethyl]-

CAS 70865-19-9C₁₂H₂₁NO₃Si

3-(Dimethoxymethyl)-5-methoxy-4-(trimethylsilyl)-pyridine

CAS 1138443-91-0C₁₂H₂₁NO₃Si

3-[3-(Dimethoxymethylsilyl)propoxy]benzenamine

CAS 71550-65-7C₁₂H₂₁NO₃Si

1,1,1-Triethoxy-N-phenylsilanamine

CAS 18027-61-7C₁₂H₂₁NO₃Si

Methyl 1-[[2-(trimethylsilyl)ethoxy]methyl]-1H-pyrrole-3-carboxylate

CAS 1782929-90-1C₁₂H₂₁NO₃Si

1-{4-[2-(Trimethoxysilyl)ethyl]phenyl}methanamine

CAS 155160-54-6C₁₂H₂₁NO₃Si

4-(3-(Trimethoxysilyl)propyl)aniline

CAS 26908-06-5C₁₂H₂₁NO₃Si

4-(1-(Trimethoxysilyl)propyl)aniline

CAS 923568-37-0C₁₂H₂₁NO₃Si

2-[1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-oxazole-5-carbaldehyde

CAS 1161775-95-6C₁₂H₂₁NO₃Si

1-(4-(((tert-Butyldimethylsilyl)oxy)methyl)oxazol-2-yl)ethanone

CAS 1381778-75-1C₁₂H₂₁NO₃Si

1-[2-(tert-Butyl-dimethyl-silanyloxymethyl)-oxazol-4-yl]-ethanone

CAS 1161776-40-4C₁₂H₂₁NO₃Si

5-(Hydroxymethyl)-1-{[2-(trimethylsilyl)ethoxy]methyl}pyridin-2(1H)-one

CAS 1208536-87-1C₁₂H₂₁NO₃Si

N,N-Dimethyl-1-(2-(trimethoxysilyl)phenyl)methanamine

CAS 87996-37-0C₁₂H₂₁NO₃Si

5-[[[(1,1-Dimethylethyl)dimethylsilyl]oxy]methyl]-4-methyl-2-oxazolecarboxaldehyde

CAS 1030011-69-8C₁₂H₂₁NO₃Si

4-{3-[Dimethoxy(methyl)silyl]propoxy}aniline

CAS 55672-93-0C₁₂H₂₁NO₃Si

8-((Trimethylsilyl)oxy)-1,4-dioxaspiro[4.5]decane-8-carbonitrile

CAS 320342-30-1C₁₂H₂₁NO₃Si

8-Acetamido-5-silaspiro[4.5]decane-8-carboxylic acid

CAS 2680753-79-9C₁₂H₂₁NO₃Si

2-{2-Methoxy-6-[(trimethylsilyl)oxy]phenoxy}ethan-1-amine

CAS 2920127-25-7C₁₂H₂₁NO₃Si

1-{2,4-Dimethoxy-6-[(trimethylsilyl)oxy]phenyl}methanamine

CAS 2920138-44-7C₁₂H₂₁NO₃Si

1-{3,4-Dimethoxy-5-[(trimethylsilyl)oxy]phenyl}methanamine

CAS 2920145-35-1C₁₂H₂₁NO₃Si

2-Amino-1-{3-methoxy-4-[(trimethylsilyl)oxy]phenyl}ethan-1-ol

CAS 2920150-27-0C₁₂H₂₁NO₃Si

Frequently asked questions

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What is the molar mass of C12H21NO3Si?

The molar mass of C12H21NO3Si is 255.39 g/mol, calculated from standard atomic weights for 12 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 3 oxygen atoms and 1 silicon atom. The monoisotopic mass is 255.1291 Da.

How many compounds have the formula C12H21NO3Si?

CompoundList lists 23 compounds with the molecular formula C12H21NO3Si, including N-Phenyl-3-aminopropyltrimethoxysilane, 4-Triethoxysilylaniline, Benzenemethanamine, 3(or 4)-[2-(trimethoxysilyl)ethyl]-. 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 C12H21NO3Si?

C12H21NO3Si has a degree of unsaturation of 4. 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.