Molecular formula

C₁₆H₂₁Cl₂N₃O

27 compounds have this formula on CompoundList.

Molar mass: 342.26g/mol
Monoisotopic mass: 341.1062Da
Atoms: 43
Elements: 5
Rings plus double bonds: 7

The formula C16H21Cl2N3O describes a molecule made of 16 carbon atoms, 21 hydrogen atoms, 2 chlorine atoms, 3 nitrogen atoms and 1 oxygen 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 × 1656.15%
12.011 × 16 = 192.176 g/mol
H Hydrogen × 216.18%
1.008 × 21 = 21.168 g/mol
Cl Chlorine × 220.72%
35.45 × 2 = 70.900 g/mol
N Nitrogen × 312.28%
14.007 × 3 = 42.021 g/mol
O Oxygen × 14.67%
15.999 × 1 = 15.999 g/mol

Look up another formula

Compounds with the formula C16H21Cl2N3O

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

Showing 1 to 27 of 27 compounds

1-[(5,8-Dichloroquinolin-4-yl)amino]-3-(diethylamino)propan-2-ol

CAS 5431-51-6C₁₆H₂₁Cl₂N₃O

1-(2,5-Dichlorophenyl)-4-(piperidine-1-carbonyl)piperazine

CAS 501104-57-0C₁₆H₂₁Cl₂N₃O

Pyrimidine, 2-((m-chlorophenoxy)methyl)-4-(diethylamino)-6-methyl-, hydrochloride

CAS 102207-81-8C₁₆H₂₁Cl₂N₃O

(4-(3,4-Dichlorophenyl)piperazin-1-yl)(piperidin-1-yl)methanone

CAS 501104-40-1C₁₆H₂₁Cl₂N₃O

(2S)-2-Amino-N-methyl-2-phenyl-N-[2-(pyridin-4-yl)ethyl]acetamide dihydrochloride

CAS 1217482-21-7C₁₆H₂₁Cl₂N₃O

3-Amino-3-phenyl-N-[1-(pyridin-4-yl)ethyl]propanamide dihydrochloride

CAS 1424350-44-6C₁₆H₂₁Cl₂N₃O

Orb2565751

CAS 2810846-51-4C₁₆H₂₁Cl₂N₃O

4-[Bis(2-chloroethyl)amino]-N'-cyclopentylidenebenzohydrazide

CAS 94163-81-2C₁₆H₂₁Cl₂N₃O

5-(Piperazin-1-ylmethyl)-1H-pyrrolo[3,2,1-ij]quinolin-4(2H)-one dihydrochloride

CAS 1807982-55-3C₁₆H₂₁Cl₂N₃O

4-(4-Methoxyphenyl)-2-(piperidin-4-yl)pyrimidine dihydrochloride

CAS 2044902-84-1C₁₆H₂₁Cl₂N₃O

1-[(6,7-Dichloroquinolin-4-yl)amino]-3-(diethylamino)propan-2-ol

CAS 5423-78-9C₁₆H₂₁Cl₂N₃O

2-(Azocan-1-yl)-N-[(E)-(2,4-dichlorophenyl)methylideneamino]acetamide

CAS 331857-49-9C₁₆H₂₁Cl₂N₃O

(2E)-2-[(1E)-1-(3,4-Dichlorophenyl)non-1-en-3-ylidene]hydrazine-1-carboxamide

CAS 81226-88-2C₁₆H₂₁Cl₂N₃O

4-(2-Methoxyphenyl)-2-(piperidin-4-yl)pyrimidine dihydrochloride

CAS 2060029-53-8C₁₆H₂₁Cl₂N₃O

3,6-Dichloro-2-[3-(1-methylpiperidin-4-yl)pyrrolidine-1-carbonyl]pyridine

CAS 2361908-17-8C₁₆H₂₁Cl₂N₃O

2-Chloro-N-[1-(1H-indol-3-ylmethyl)piperidin-4-yl]acetamide, hydrochloride

CAS 2411294-24-9C₁₆H₂₁Cl₂N₃O

3,5-Dichloro-2-[3-(piperidine-1-carbonyl)piperidin-1-yl]pyridine

CAS 2877685-83-9C₁₆H₂₁Cl₂N₃O

4-[Bis(2-chloroethyl)aminomethyl]-1,5-dimethyl-2-phenylpyrazol-3-one

CAS 10070-94-7C₁₆H₂₁Cl₂N₃O

N-[(Z)-[4-[Bis(2-chloroethyl)amino]-2-methylphenyl]methylideneamino]cyclopropanecarboxamide

CAS 93089-39-5C₁₆H₂₁Cl₂N₃O

2-Chloro-3-(3-(piperidin-2-yl)propoxy)quinoxaline hydrochloride

CAS 1420840-33-0C₁₆H₂₁Cl₂N₃O

2-Chloro-3-(3-(piperidin-3-yl)propoxy)quinoxaline hydrochloride

CAS 1420874-72-1C₁₆H₂₁Cl₂N₃O

2-Chloro-3-(3-(piperidin-4-yl)propoxy)quinoxaline hydrochloride

CAS 1420961-32-5C₁₆H₂₁Cl₂N₃O

3-Chloro-6-ethoxy-2-methyl-4-(piperazin-1-yl)quinoline hydrochloride

CAS 1333252-93-9C₁₆H₂₁Cl₂N₃O

2-[4-(2,3-Dichlorophenyl)piperazin-1-yl]-1-(pyrrolidin-1-yl)ethan-1-one

CAS 2770638-27-0C₁₆H₂₁Cl₂N₃O

Frequently asked questions

Still have a question?

The help centre explains buying, quotes and supplier badges step by step, or you can write to our team.

Help centre Contact us

What is the molar mass of C16H21Cl2N3O?

The molar mass of C16H21Cl2N3O is 342.26 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 2 chlorine atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 341.1062 Da.

How many compounds have the formula C16H21Cl2N3O?

CompoundList lists 27 compounds with the molecular formula C16H21Cl2N3O, including 1-[(5,8-Dichloroquinolin-4-yl)amino]-3-(diethylamino)propan-2-ol, 1-(2,5-Dichlorophenyl)-4-(piperidine-1-carbonyl)piperazine, Pyrimidine, 2-((m-chlorophenoxy)methyl)-4-(diethylamino)-6-methyl-, hydrochloride. 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 C16H21Cl2N3O?

C16H21Cl2N3O has a degree of unsaturation of 7. 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.