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Molecular formula

C16H21ClN4O

35 compounds have this formula on CompoundList.

Molar mass
320.82g/mol
Monoisotopic mass
320.1404Da
Atoms
43
Elements
5
Rings plus double bonds
8

The formula C16H21ClN4O describes a molecule made of 16 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 4 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 × 1659.90%
    12.011 × 16 = 192.176 g/mol
  • H Hydrogen × 216.60%
    1.008 × 21 = 21.168 g/mol
  • Cl Chlorine × 111.05%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 417.46%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 14.99%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C16H21ClN4O

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

Showing 1 to 35 of 35 compounds

6-(2-Chloroethyl)-2-[(2,6-dimethyl-1-piperidinyl)carbonyl]pyrazolo[1,5-a]pyrimidine chemical structure, C16H21ClN4O, CAS 438217-54-0
6-(2-Chloroethyl)-2-[(2,6-dimethyl-1-piperidinyl)carbonyl]pyrazolo[1,5-a]pyrimidine
CAS 438217-54-0C16H21ClN4O
1H-Pyrazol-1-amine, 3-(4-chlorophenyl)-5-(2-(1-piperidinyl)ethoxy)- chemical structure, C16H21ClN4O, CAS 80370-47-4
1H-Pyrazol-1-amine, 3-(4-chlorophenyl)-5-(2-(1-piperidinyl)ethoxy)-
CAS 80370-47-4C16H21ClN4O
1,8-Naphthyridine-3-carboxamide, 4-chloro-N,N-diethyl-2-((1-methylethyl)amino)- chemical structure, C16H21ClN4O, CAS 126567-80-4
1,8-Naphthyridine-3-carboxamide, 4-chloro-N,N-diethyl-2-((1-methylethyl)amino)-
CAS 126567-80-4C16H21ClN4O
(4-(1-Methyl-1H-imidazol-2-yl)piperazin-1-yl)(p-tolyl)methanone hydrochloride chemical structure, C16H21ClN4O, CAS 1184966-89-9
(4-(1-Methyl-1H-imidazol-2-yl)piperazin-1-yl)(p-tolyl)methanone hydrochloride
CAS 1184966-89-9C16H21ClN4O
N-Benzyl-N-ethyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carboxamide hydrochloride chemical structure, C16H21ClN4O, CAS 1219982-64-5
N-Benzyl-N-ethyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carboxamide hydrochloride
CAS 1219982-64-5C16H21ClN4O
1-(4-(1-Methyl-1H-imidazol-2-yl)piperazin-1-yl)-2-phenylethanone hydrochloride chemical structure, C16H21ClN4O, CAS 1331188-19-2
1-(4-(1-Methyl-1H-imidazol-2-yl)piperazin-1-yl)-2-phenylethanone hydrochloride
CAS 1331188-19-2C16H21ClN4O
1,8-Naphthyridine-3-carboxamide, 4-chloro-N,N-diethyl-2-(propylamino)- chemical structure, C16H21ClN4O, CAS 156991-92-3
1,8-Naphthyridine-3-carboxamide, 4-chloro-N,N-diethyl-2-(propylamino)-
CAS 156991-92-3C16H21ClN4O
(1-(5-Benzylpyrimidin-2-yl)piperazin-2-yl)methanol HCl salt chemical structure, C16H21ClN4O, CAS 1704491-80-4
(1-(5-Benzylpyrimidin-2-yl)piperazin-2-yl)methanol HCl salt
CAS 1704491-80-4C16H21ClN4O
N-tert-Butyl-N'-[3-chloro-1-(cyclopropylmethyl)-1H-indazol-5-yl]urea chemical structure, C16H21ClN4O, CAS 887114-52-5
N-tert-Butyl-N'-[3-chloro-1-(cyclopropylmethyl)-1H-indazol-5-yl]urea
CAS 887114-52-5C16H21ClN4O
7-(5-Amino-3-t-butyl-pyrazol-1-yl)-3,4-dihydro-2H-isoquinolin-1-one hydrochloride chemical structure, C16H21ClN4O, CAS 903567-60-2
7-(5-Amino-3-t-butyl-pyrazol-1-yl)-3,4-dihydro-2H-isoquinolin-1-one hydrochloride
CAS 903567-60-2C16H21ClN4O
2-Chloro-N-[1-(4-methylphenyl)-1-(1,2,4-triazol-1-yl)butan-2-yl]propanamide chemical structure, C16H21ClN4O, CAS 2411269-90-2
2-Chloro-N-[1-(4-methylphenyl)-1-(1,2,4-triazol-1-yl)butan-2-yl]propanamide
CAS 2411269-90-2C16H21ClN4O
Nlv48CD8YA chemical structure, C16H21ClN4O, CAS 2757018-51-0
Nlv48CD8YA
CAS 2757018-51-0C16H21ClN4O
2-Chloro-N-[(2,6-dimethylphenyl)methyl]-N-[1-(1,2,4-triazol-1-yl)propan-2-yl]acetamide chemical structure, C16H21ClN4O, CAS 2418667-59-9
2-Chloro-N-[(2,6-dimethylphenyl)methyl]-N-[1-(1,2,4-triazol-1-yl)propan-2-yl]acetamide
CAS 2418667-59-9C16H21ClN4O
3-Chloro-4-({1-[2-(1H-pyrazol-1-yl)ethyl]piperidin-4-yl}methoxy)pyridine chemical structure, C16H21ClN4O, CAS 2640954-29-4
3-Chloro-4-({1-[2-(1H-pyrazol-1-yl)ethyl]piperidin-4-yl}methoxy)pyridine
CAS 2640954-29-4C16H21ClN4O
5-Chloro-6-{4-[2-(hydroxymethyl)pyrrolidin-1-yl]piperidin-1-yl}pyridine-3-carbonitrile chemical structure, C16H21ClN4O, CAS 2380059-17-4
5-Chloro-6-{4-[2-(hydroxymethyl)pyrrolidin-1-yl]piperidin-1-yl}pyridine-3-carbonitrile
CAS 2380059-17-4C16H21ClN4O
[2-[5-(3-Ethyl-5-methyl-1H-indol-2-yl)-1,2,4-oxadiazol-3-yl]ethyl]methylamine hydrochloride chemical structure, C16H21ClN4O, CAS 2708532-08-3
[2-[5-(3-Ethyl-5-methyl-1H-indol-2-yl)-1,2,4-oxadiazol-3-yl]ethyl]methylamine hydrochloride
CAS 2708532-08-3C16H21ClN4O
N-tert-Butyl-1-(3-chloro-5-cyanopyridin-2-yl)piperidine-3-carboxamide chemical structure, C16H21ClN4O, CAS 2877647-69-1
N-tert-Butyl-1-(3-chloro-5-cyanopyridin-2-yl)piperidine-3-carboxamide
CAS 2877647-69-1C16H21ClN4O
N-tert-Butyl-1-(5-chloro-3-cyano-4,6-dimethylpyridin-2-yl)azetidine-3-carboxamide chemical structure, C16H21ClN4O, CAS 2877720-34-6
N-tert-Butyl-1-(5-chloro-3-cyano-4,6-dimethylpyridin-2-yl)azetidine-3-carboxamide
CAS 2877720-34-6C16H21ClN4O
1-Piperidinecarboxamide, 4-(5-chloro-1H-benzimidazol-2-yl)-N-propyl- chemical structure, C16H21ClN4O, CAS 606083-75-4
1-Piperidinecarboxamide, 4-(5-chloro-1H-benzimidazol-2-yl)-N-propyl-
CAS 606083-75-4C16H21ClN4O
1-[3-(Azetidin-3-yl)quinoxalin-2-yl]piperidin-4-ol, hydrochloride chemical structure, C16H21ClN4O, CAS 1349875-29-1
1-[3-(Azetidin-3-yl)quinoxalin-2-yl]piperidin-4-ol, hydrochloride
CAS 1349875-29-1C16H21ClN4O
N-{1-[2-(7-Chloro-1H-indol-3-yl)ethyl]piperidin-4-yl}urea chemical structure, C16H21ClN4O, CAS 61220-20-0
N-{1-[2-(7-Chloro-1H-indol-3-yl)ethyl]piperidin-4-yl}urea
CAS 61220-20-0C16H21ClN4O
N-Cyclopropyl-3-(pyrrolidin-3-ylmethoxy)quinoxalin-2-amine hydrochloride chemical structure, C16H21ClN4O, CAS 1420962-13-5
N-Cyclopropyl-3-(pyrrolidin-3-ylmethoxy)quinoxalin-2-amine hydrochloride
CAS 1420962-13-5C16H21ClN4O
(R)-N-Cyclopropyl-3-(piperidin-3-yloxy)quinoxalin-2-amine hydrochloride chemical structure, C16H21ClN4O, CAS 1421048-42-1
(R)-N-Cyclopropyl-3-(piperidin-3-yloxy)quinoxalin-2-amine hydrochloride
CAS 1421048-42-1C16H21ClN4O
(S)-N-Cyclopropyl-3-(piperidin-3-yloxy)quinoxalin-2-amine hydrochloride chemical structure, C16H21ClN4O, CAS 1421030-69-4
(S)-N-Cyclopropyl-3-(piperidin-3-yloxy)quinoxalin-2-amine hydrochloride
CAS 1421030-69-4C16H21ClN4O

Frequently asked questions

What is the molar mass of C16H21ClN4O?

The molar mass of C16H21ClN4O is 320.82 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 320.1404 Da.

How many compounds have the formula C16H21ClN4O?

CompoundList lists 35 compounds with the molecular formula C16H21ClN4O, including 6-(2-Chloroethyl)-2-[(2,6-dimethyl-1-piperidinyl)carbonyl]pyrazolo[1,5-a]pyrimidine, 1H-Pyrazol-1-amine, 3-(4-chlorophenyl)-5-(2-(1-piperidinyl)ethoxy)-, 1,8-Naphthyridine-3-carboxamide, 4-chloro-N,N-diethyl-2-((1-methylethyl)amino)-. 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 C16H21ClN4O?

C16H21ClN4O has a degree of unsaturation of 8. 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.