Molecular formula
C24H24N2O3S
141 compounds have this formula on CompoundList.
- Molar mass
- 420.53g/mol
- Monoisotopic mass
- 420.1508Da
- Atoms
- 54
- Elements
- 5
- Rings plus double bonds
- 14
The formula C24H24N2O3S describes a molecule made of 24 carbon atoms, 24 hydrogen atoms, 2 nitrogen atoms, 3 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 × 2468.55%12.011 × 24 = 288.264 g/mol
- H Hydrogen × 245.75%1.008 × 24 = 24.192 g/mol
- N Nitrogen × 26.66%14.007 × 2 = 28.014 g/mol
- O Oxygen × 311.41%15.999 × 3 = 47.997 g/mol
- S Sulfur × 17.62%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C24H24N2O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 141 compounds
3-(1,3-Benzothiazol-2-yl)-6-ethyl-7-hydroxy-8-((piperidin-1-yl)methyl)-4H-chromen-4-one
CAS 222716-34-9C24H24N2O3S
![3-(1,3-Benzothiazol-2-yl)-7-hydroxy-2-methyl-8-[(4-methylpiperidin-1-yl)methyl]-4H-chromen-4-one chemical structure, C24H24N2O3S, CAS 308297-84-9](/s/FUTJYHVXSCCQDJ-UHFFFAOYSA-N.svg)
3-(1,3-Benzothiazol-2-yl)-7-hydroxy-2-methyl-8-[(4-methylpiperidin-1-yl)methyl]-4H-chromen-4-one
CAS 308297-84-9C24H24N2O3S
![8-[(Azepan-1-yl)methyl]-3-(1,3-benzothiazol-2-yl)-7-hydroxy-2-methyl-4H-chromen-4-one chemical structure, C24H24N2O3S, CAS 308297-85-0](/s/DPTXOIFVCFTEAY-UHFFFAOYSA-N.svg)
8-[(Azepan-1-yl)methyl]-3-(1,3-benzothiazol-2-yl)-7-hydroxy-2-methyl-4H-chromen-4-one
CAS 308297-85-0C24H24N2O3S
![3-(Benzo[d]thiazol-2-yl)-7-hydroxy-2-methyl-8-((3-methylpiperidin-1-yl)methyl)-4H-chromen-4-one chemical structure, C24H24N2O3S, CAS 308297-83-8](/s/CXOCDNMWNQVADN-UHFFFAOYSA-N.svg)
3-(Benzo[d]thiazol-2-yl)-7-hydroxy-2-methyl-8-((3-methylpiperidin-1-yl)methyl)-4H-chromen-4-one
CAS 308297-83-8C24H24N2O3S
![N-[[4-(3,4-Dihydro-1H-isoquinoline-2-carbonyl)phenyl]methyl]-N-phenylmethanesulfonamide chemical structure, C24H24N2O3S, CAS 332033-67-7](/s/HLVLGXPXXYFGHD-UHFFFAOYSA-N.svg)
N-[[4-(3,4-Dihydro-1H-isoquinoline-2-carbonyl)phenyl]methyl]-N-phenylmethanesulfonamide
CAS 332033-67-7C24H24N2O3S
![Benzyl 6-(4-ethylphenyl)-8-methyl-4-oxo-3,4-dihydro-2H,6H-pyrimido[2,1-B][1,3]thiazine-7-carboxylate chemical structure, C24H24N2O3S, CAS 609795-87-1](/s/PGZVXQHKGMNCCU-UHFFFAOYSA-N.svg)
Benzyl 6-(4-ethylphenyl)-8-methyl-4-oxo-3,4-dihydro-2H,6H-pyrimido[2,1-B][1,3]thiazine-7-carboxylate
CAS 609795-87-1C24H24N2O3S
4-Isopropoxy-N-(1-(thiophene-2-carbonyl)-1,2,3,4-tetrahydroquinolin-6-yl)benzamide
CAS 932363-91-2C24H24N2O3S
![3-(2,3-Dihydroindol-1-ylsulfonyl)-N-methyl-N-[(4-methylphenyl)methyl]benzamide chemical structure, C24H24N2O3S, CAS 851176-67-5](/s/WDODSQOTEQMQDP-UHFFFAOYSA-N.svg)
3-(2,3-Dihydroindol-1-ylsulfonyl)-N-methyl-N-[(4-methylphenyl)methyl]benzamide
CAS 851176-67-5C24H24N2O3S
![N-(4-Ethoxyphenyl)-2-[(3-methylbenzoyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide chemical structure, C24H24N2O3S, CAS 397854-76-1](/s/UOUHWDKKZPKXQO-UHFFFAOYSA-N.svg)
N-(4-Ethoxyphenyl)-2-[(3-methylbenzoyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide
CAS 397854-76-1C24H24N2O3S
![N-(4-Methoxyphenyl)-2-[(phenylacetyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide chemical structure, C24H24N2O3S, CAS 312948-85-9](/s/IOWHGWVFMQZSTL-UHFFFAOYSA-N.svg)
N-(4-Methoxyphenyl)-2-[(phenylacetyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide
CAS 312948-85-9C24H24N2O3S
![3-(4-Ethoxyphenyl)-5,6-dimethyl-1-(2-methylbenzyl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C24H24N2O3S, CAS 689752-52-1](/s/UEKFKKRVUSUXKW-UHFFFAOYSA-N.svg)
3-(4-Ethoxyphenyl)-5,6-dimethyl-1-(2-methylbenzyl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione
CAS 689752-52-1C24H24N2O3S
N-(3,4-Dimethylphenyl)-1-(4-methylbenzenesulfonyl)-2,3-dihydro-1H-indole-5-carboxamide
CAS 891400-76-3C24H24N2O3S
2,2-Diphenyl-N-(4-(pyrrolidin-1-ylsulfonyl)phenyl)acetamide
CAS 289700-47-6C24H24N2O3S
![3-(Benzo[d]thiazol-2-yl)-8-((2-ethylpiperidin-1-yl)methyl)-7-hydroxy-4H-chromen-4-one chemical structure, C24H24N2O3S, CAS 637747-56-9](/s/BJYPTCSTEWHGCQ-UHFFFAOYSA-N.svg)
3-(Benzo[d]thiazol-2-yl)-8-((2-ethylpiperidin-1-yl)methyl)-7-hydroxy-4H-chromen-4-one
CAS 637747-56-9C24H24N2O3S
2,5-Dimethyl-N-(2-(phenylsulfonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)benzamide
CAS 954683-42-2C24H24N2O3S
2-(1-(3,5-Dimethoxybenzyl)-1H-indol-3-yl)-N-(thiophen-2-ylmethyl)acetamide
CAS 922096-46-6C24H24N2O3S
3-Phenyl-N-(2-(phenylsulfonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)propanamide
CAS 954613-05-9C24H24N2O3S
N-(2-(Phenylsulfonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)-2-(m-tolyl)acetamide
CAS 954639-09-9C24H24N2O3S
![N-(2-(Ethylsulfonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)-[1,1'-biphenyl]-4-carboxamide chemical structure, C24H24N2O3S, CAS 954640-53-0](/s/KUYXUKKXLIYQRV-UHFFFAOYSA-N.svg)
N-(2-(Ethylsulfonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)-[1,1'-biphenyl]-4-carboxamide
CAS 954640-53-0C24H24N2O3S
4-Isopropoxy-N-(2-(thiophene-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)benzamide
CAS 955761-36-1C24H24N2O3S
3-(4-Methoxyphenyl)-N-(2-(thiophene-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)propanamide
CAS 955640-57-0C24H24N2O3S
N-(2-Benzoyl-1,2,3,4-tetrahydroisoquinolin-7-yl)-3,4-dimethylbenzenesulfonamide
CAS 955748-36-4C24H24N2O3S
![N-(1-Propionyl-1,2,3,4-tetrahydroquinolin-7-yl)-[1,1'-biphenyl]-4-sulfonamide chemical structure, C24H24N2O3S, CAS 946290-83-1](/s/YAAMFDCRQMJYLJ-UHFFFAOYSA-N.svg)
N-(1-Propionyl-1,2,3,4-tetrahydroquinolin-7-yl)-[1,1'-biphenyl]-4-sulfonamide
CAS 946290-83-1C24H24N2O3S
Glycine, (S-triphenylmethyl)-L-cysteinyl-
CAS 26988-61-4C24H24N2O3S
- N-(3-Ethoxypropyl)-8-methoxy-3-phenylthieno[3,2-c]quinoline-2-carboxamide1040633-48-4C24H24N2O3S
- Ethyl 2-benzamido-6-benzyl-5,7-dihydro-4H-thieno[2,3-c]pyridine-3-carboxylate6146-51-6C24H24N2O3S
- 2-(Benzoylamino)-N-(2-methoxyphenyl)-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxamide328540-68-7C24H24N2O3S
- 7-Ethoxy-5-(4-ethoxyphenyl)-2-thiophen-2-yl-5,10b-dihydro-1H-pyrazolo[1,5-c][1,3]benzoxazine450386-50-2C24H24N2O3S
- 1-(Diphenylacetyl)-4-(phenylsulfonyl)piperazine487024-12-4C24H24N2O3S
- 2-Benzamido-N-(4-methoxyphenyl)-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-3-carboxamide5583-27-7C24H24N2O3S
- 3-(1,3-Benzothiazol-2-yl)-7-hydroxy-2-methyl-8-[(2-methylpiperidin-1-yl)methyl]-4H-chromen-4-one308297-82-7C24H24N2O3S
- N-(4-Ethoxyphenyl)-2-[(4-methylbenzoyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide329067-15-4C24H24N2O3S
- N-(2-Ethoxyphenyl)-2-[(2-phenylacetyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide354770-78-8C24H24N2O3S
- N-[4-(1-Piperidinylsulfonyl)phenyl]-4-biphenylcarboxamide316154-78-6C24H24N2O3S
- Quinolinium, 2-((1-ethyl-2(1H)-quinolinylidene)methyl)-1-(3-sulfopropyl)-, inner salt53440-14-5C24H24N2O3S
- N-Benzyl-2-[(4-methylphenyl)sulfonyl]-1,2,3,4-tetrahydroisoquinoline-3-carboxamide1008695-00-8C24H24N2O3S
- (Z)-4-((5-Benzyl-3-(bicyclo[2.2.1]heptan-2-yl)-4-oxothiazolidin-2-ylidene)amino)benzoic acid1009680-87-8C24H24N2O3S
- N-(2-Methoxyphenyl)-2-[(phenylacetyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide312948-84-8C24H24N2O3S
- Ethyl 2-[(5,5-dimethyl-4-oxo-3-phenyl-6H-benzo[h]quinazolin-2-yl)sulfanyl]acetate295313-62-1C24H24N2O3S
- N-(2-Ethoxyphenyl)-2-[(4-methylbenzoyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide329068-93-1C24H24N2O3S
- 3-({[3-Cyano-4-(4-isopropylphenyl)-5-methyl-2-thienyl]amino}carbonyl)bicyclo[2.2.1]hept-5-ene-2-carboxylic acid1005177-80-9C24H24N2O3S
- 3-(1,3-Benzothiazol-2-yl)-8-[(2-ethylpiperidin-1-yl)methyl]-7-hydroxy-2H-chromen-2-one308297-55-4C24H24N2O3S
- N-(4-Ethoxyphenyl)-2-[(phenylacetyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide329067-05-2C24H24N2O3S
- N-(2-Methoxyphenyl)-2-[(2-methylbenzoyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide352226-62-1C24H24N2O3S
- N-(4-Methylphenyl)-2-[(4-methylphenyl)sulfonyl]-1,2,3,4-tetrahydroisoquinoline-3-carboxamide1008282-74-3C24H24N2O3S
- 4-((3,4-Dihydroquinolin-1(2H)-yl)sulfonyl)-N-(2,3-dimethylphenyl)benzamide392327-00-3C24H24N2O3S
- Biphenyl-4-yl{4-[(4-methylphenyl)sulfonyl]piperazin-1-yl}methanone333756-47-1C24H24N2O3S
- 2-Benzamido-N-(4-ethoxyphenyl)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide327048-05-5C24H24N2O3S
- 2-Methyl-5-(1,2,3,4-tetrahydroquinoline-1-carbonyl)-N-(m-tolyl)benzenesulfonamide380547-81-9C24H24N2O3S
- 2-Benzamido-N-(4-methoxyphenyl)-6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide328280-96-2C24H24N2O3S
- Thiazole, 4,5-bis(4-methoxyphenyl)-2-(1-(ethoxymethyl)-1H-pyrrol-2-yl)-101001-52-9C24H24N2O3S
- Propyl 6-phenyl-2-(pyridine-4-carbonylamino)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate445022-38-8C24H24N2O3S
- 4-((3,4-Dihydroisoquinolin-2(1H)-yl)sulfonyl)-N-(2,5-dimethylphenyl)benzamide476326-25-7C24H24N2O3S
- 1-(Benzenesulfonyl)-N,4-diphenylpiperidine-4-carboxamide697238-69-0C24H24N2O3S
- (4-Benzylsulfonylpiperazin-1-yl)-(4-phenylphenyl)methanone519005-93-7C24H24N2O3S
- N-(4-Acetylphenyl)-2-[2-(naphthalen-2-ylamino)-2-oxoethyl]sulfanylbutanamide500265-80-5C24H24N2O3S
- 4-((3,4-Dihydroisoquinolin-2(1H)-yl)sulfonyl)-N-(3,5-dimethylphenyl)benzamide391876-91-8C24H24N2O3S
- 4-Methyl-N-(1-tosyl-1,2,3,4-tetrahydroquinolin-6-yl)benzamide899945-57-4C24H24N2O3S
- N-(1-Butyl-2-oxo-1,2-dihydrobenzo[cd]indol-6-yl)-2-((4-methoxyphenyl)thio)acetamide923078-11-9C24H24N2O3S
- N-(1-Benzoyl-1,2,3,4-tetrahydroquinolin-6-yl)-2,4-dimethylbenzene-1-sulfonamide946380-90-1C24H24N2O3S
- N-(1-Ethyl-2-oxo-1,2-dihydrobenzo[cd]indol-6-yl)-4-((4-methoxyphenyl)thio)butanamide922933-34-4C24H24N2O3S
- 2-Methoxy-N-{2-[1-(thiophen-2-yl)cyclopentaneamido]phenyl}benzamide1207036-81-4C24H24N2O3S
- N1-(2-([1,1'-biphenyl]-4-yl)-2-hydroxypropyl)-N2-(2-(methylthio)phenyl)oxalamide1396795-58-6C24H24N2O3S
- 4-(((1-(Naphthalen-2-ylsulfonyl)piperidin-4-yl)methoxy)methyl)benzonitrile1396807-65-0C24H24N2O3S
- 4-((3,4-Dihydroisoquinolin-2(1H)-yl)sulfonyl)-N-(2,3-dimethylphenyl)benzamide391876-87-2C24H24N2O3S
- 2-(2-(Furan-2-yl)-4-oxo-3,4-dihydrobenzo[b][1,4]thiazepin-5(2H)-yl)-N-mesitylacetamide863004-83-5C24H24N2O3S
- 2-Methyl-N-(2-tosyl-1,2,3,4-tetrahydroisoquinolin-7-yl)benzamide954679-22-2C24H24N2O3S
- N-(1-Benzoyl-1,2,3,4-tetrahydroquinolin-7-yl)-2-phenylethane-1-sulfonamide946370-49-6C24H24N2O3S
- N-(2-(Furan-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)-1-(thiophen-2-yl)cyclopentanecarboxamide1207023-31-1C24H24N2O3S
- N-{4-[(Diallylamino)sulfonyl]phenyl}-2-(1-naphthyl)acetamide713112-54-0C24H24N2O3S
- 4-(2,5-Dimethylbenzyl)-2-(3,5-dimethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide872207-36-8C24H24N2O3S
- 2-(N-Benzyl-2-phenylethenesulfonamido)-N-methyl-N-phenylacetamide727713-75-9C24H24N2O3S
- 4-((3,4-Dihydroisoquinolin-2(1H)-yl)sulfonyl)-N-(2,4-dimethylphenyl)benzamide391876-68-9C24H24N2O3S
- 1-(Dibenzylamino)-1-oxopropan-2-yl 2-(methylthio)nicotinate744259-96-9C24H24N2O3S
- 2-(4-Ethoxyphenyl)-N-[1-(thiophene-2-carbonyl)-3,4-dihydro-2H-quinolin-6-yl]acetamide946245-83-6C24H24N2O3S
- 2-(4-Ethoxyphenyl)-N-[1-(thiophene-2-carbonyl)-1,2,3,4-tetrahydroquinolin-7-yl]acetamide946320-28-1C24H24N2O3S
- N-[1-(Benzenesulfonyl)-3,4-dihydro-2H-quinolin-7-yl]-2-(3-methylphenyl)acetamide1005301-62-1C24H24N2O3S
- N-[1-(Benzenesulfonyl)-3,4-dihydro-2H-quinolin-6-yl]-3,5-dimethylbenzamide941961-09-7C24H24N2O3S
- N-[1-(Benzenesulfonyl)-3,4-dihydro-2H-quinolin-6-yl]-3-phenylpropanamide942006-27-1C24H24N2O3S
- N-[1-(Benzenesulfonyl)-3,4-dihydro-2H-quinolin-6-yl]-3,4-dimethylbenzamide941871-72-3C24H24N2O3S
- 4-(2,5-Dimethylbenzyl)-2-(3,4-dimethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide893789-33-8C24H24N2O3S
- 4-(2,5-Dimethylbenzyl)-2-(2,4-dimethylphenyl)-2H-1,2,4-benzothiadiazin-3(4H)-one 1,1-dioxide892360-67-7C24H24N2O3S
- N-(1-Benzyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)-4-ethylbenzenesulfonamide954640-19-8C24H24N2O3S
- N-(1-Benzyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)-1-(p-tolyl)methanesulfonamide946221-70-1C24H24N2O3S
- 4-[(2,5-Dimethylphenyl)methyl]-2-(2-ethylphenyl)-3,4-dihydro-2H-1lambda6,2,4-benzothiadiazine-1,1,3-trione896685-74-8C24H24N2O3S
- 4-[(2,5-Dimethylphenyl)methyl]-2-(4-ethylphenyl)-3,4-dihydro-2H-1lambda6,2,4-benzothiadiazine-1,1,3-trione933211-60-0C24H24N2O3S
- 4-[(4-Methylphenyl)methyl]-2-[4-(propan-2-yl)phenyl]-3,4-dihydro-2H-1lambda6,2,4-benzothiadiazine-1,1,3-trione933026-40-5C24H24N2O3S
- N-(1-Benzoyl-1,2,3,4-tetrahydroquinolin-7-yl)-2,4-dimethylbenzene-1-sulfonamide946370-37-2C24H24N2O3S
- N-(1-Benzoyl-1,2,3,4-tetrahydroquinolin-6-yl)-2,5-dimethylbenzene-1-sulfonamide946380-99-0C24H24N2O3S
- N-(1-Benzoyl-1,2,3,4-tetrahydroquinolin-6-yl)-3,4-dimethylbenzene-1-sulfonamide946334-14-1C24H24N2O3S
- N-(1-Benzoyl-1,2,3,4-tetrahydroquinolin-7-yl)-3,4-dimethylbenzene-1-sulfonamide946322-67-4C24H24N2O3S
- (E)-3-(3-Ethoxy-4-isopropoxyphenyl)-2-(4-(3-methoxyphenyl)thiazol-2-yl)acrylonitrile1021262-34-9C24H24N2O3S
- N-(1-Benzoyl-1,2,3,4-tetrahydroquinolin-6-yl)-4-ethylbenzenesulfonamide946210-61-3C24H24N2O3S
- N-(1-Benzoyl-1,2,3,4-tetrahydroquinolin-7-yl)-4-ethylbenzenesulfonamide946289-90-3C24H24N2O3S
- 7-(3,4-Diethoxyphenyl)-3-(2-methylbenzyl)thieno[3,2-d]pyrimidin-4(3H)-one1207033-22-4C24H24N2O3S
- 7-(3,4-Diethoxyphenyl)-3-(3-methylbenzyl)thieno[3,2-d]pyrimidin-4(3H)-one1207006-17-4C24H24N2O3S
- 7-(3,4-Diethoxyphenyl)-3-(4-methylbenzyl)thieno[3,2-d]pyrimidin-4(3H)-one1206993-64-7C24H24N2O3S
- N-[5-(1,1-Dioxo-1,2-thiazolidin-2-yl)-2-methylphenyl]-2-(4-phenylphenyl)acetamide941944-46-3C24H24N2O3S
- 4-Isopropoxy-N-(1-(thiophene-2-carbonyl)-1,2,3,4-tetrahydroquinolin-7-yl)benzamide946367-76-6C24H24N2O3S
- 3-(4-Methoxyphenyl)-N-[1-(thiophene-2-carbonyl)-1,2,3,4-tetrahydroquinolin-7-yl]propanamide946320-16-7C24H24N2O3S
Frequently asked questions
What is the molar mass of C24H24N2O3S?
The molar mass of C24H24N2O3S is 420.53 g/mol, calculated from standard atomic weights for 24 carbon atoms, 24 hydrogen atoms, 2 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 420.1508 Da.
How many compounds have the formula C24H24N2O3S?
CompoundList lists 141 compounds with the molecular formula C24H24N2O3S, including 3-(1,3-Benzothiazol-2-yl)-6-ethyl-7-hydroxy-8-((piperidin-1-yl)methyl)-4H-chromen-4-one, 3-(1,3-Benzothiazol-2-yl)-7-hydroxy-2-methyl-8-[(4-methylpiperidin-1-yl)methyl]-4H-chromen-4-one, 8-[(Azepan-1-yl)methyl]-3-(1,3-benzothiazol-2-yl)-7-hydroxy-2-methyl-4H-chromen-4-one. 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 C24H24N2O3S?
C24H24N2O3S has a degree of unsaturation of 14. 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.