Molecular formula
C14H20N4O2
259 compounds have this formula on CompoundList.
- Molar mass
- 276.34g/mol
- Monoisotopic mass
- 276.1586Da
- Atoms
- 40
- Elements
- 4
- Rings plus double bonds
- 7
The formula C14H20N4O2 describes a molecule made of 14 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms and 2 oxygen atoms. 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 × 1460.85%12.011 × 14 = 168.154 g/mol
- H Hydrogen × 207.30%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 420.28%14.007 × 4 = 56.028 g/mol
- O Oxygen × 211.58%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C14H20N4O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 259 compounds
![N-[2-(3-Imidazol-1-ylpiperidin-1-yl)-2-oxoethyl]-N-methylprop-2-enamide chemical structure, C14H20N4O2, CAS 2201387-01-9](/s/ZMPCRJJOXGNZLZ-UHFFFAOYSA-N.svg)
N-[2-(3-Imidazol-1-ylpiperidin-1-yl)-2-oxoethyl]-N-methylprop-2-enamide
CAS 2201387-01-9C14H20N4O2
![N-[2-[[6-(Dimethylamino)pyridin-2-yl]methylamino]-2-oxoethyl]-N-methylprop-2-enamide chemical structure, C14H20N4O2, CAS 2200168-68-7](/s/AXAVOTVFUZGHQS-UHFFFAOYSA-N.svg)
N-[2-[[6-(Dimethylamino)pyridin-2-yl]methylamino]-2-oxoethyl]-N-methylprop-2-enamide
CAS 2200168-68-7C14H20N4O2
![N-Methyl-N-[2-oxo-2-[2-(1H-pyrazol-5-yl)piperidin-1-yl]ethyl]prop-2-enamide chemical structure, C14H20N4O2, CAS 2197745-56-3](/s/GIKAKYMGFAOLEX-UHFFFAOYSA-N.svg)
N-Methyl-N-[2-oxo-2-[2-(1H-pyrazol-5-yl)piperidin-1-yl]ethyl]prop-2-enamide
CAS 2197745-56-3C14H20N4O2
![(2E)-4-(Dimethylamino)-N-{8-oxo-1H,4H,5H,6H,7H,8H-pyrrolo[2,3-c]azepin-4-yl}but-2-enamide chemical structure, C14H20N4O2, CAS 2411332-11-9](/s/ZHUFDXBXMHXJAO-ONEGZZNKSA-N.svg)
(2E)-4-(Dimethylamino)-N-{8-oxo-1H,4H,5H,6H,7H,8H-pyrrolo[2,3-c]azepin-4-yl}but-2-enamide
CAS 2411332-11-9C14H20N4O2
![(5S,7R)-N-(Cyanomethyl)-N-ethyl-1,5,7-trimethyl-5,7-dihydro-4H-pyrano[3,4-c]pyrazole-3-carboxamide chemical structure, C14H20N4O2, CAS 2418596-34-4](/s/XAEXWGNXNRODGW-VHSXEESVSA-N.svg)
(5S,7R)-N-(Cyanomethyl)-N-ethyl-1,5,7-trimethyl-5,7-dihydro-4H-pyrano[3,4-c]pyrazole-3-carboxamide
CAS 2418596-34-4C14H20N4O2
![(E)-N-[(2-Cyclopropyl-6-oxo-1H-pyrimidin-4-yl)methyl]-4-(dimethylamino)but-2-enamide chemical structure, C14H20N4O2, CAS 2411325-05-6](/s/PVXUHMFJGQSVGF-ONEGZZNKSA-N.svg)
(E)-N-[(2-Cyclopropyl-6-oxo-1H-pyrimidin-4-yl)methyl]-4-(dimethylamino)but-2-enamide
CAS 2411325-05-6C14H20N4O2
![(5R,7S)-N-(Cyanomethyl)-N-ethyl-2,5,7-trimethyl-5,7-dihydro-4H-pyrano[3,4-c]pyrazole-3-carboxamide chemical structure, C14H20N4O2, CAS 2418593-23-2](/s/FESJYNPCKFKMQR-ZJUUUORDSA-N.svg)
(5R,7S)-N-(Cyanomethyl)-N-ethyl-2,5,7-trimethyl-5,7-dihydro-4H-pyrano[3,4-c]pyrazole-3-carboxamide
CAS 2418593-23-2C14H20N4O2
![N-{[1-(4-Methoxypyrimidin-2-yl)azetidin-3-yl]methyl}-N-methylcyclopropanecarboxamide chemical structure, C14H20N4O2, CAS 2548976-05-0](/s/GSRUJPMRIPRQQY-UHFFFAOYSA-N.svg)
N-{[1-(4-Methoxypyrimidin-2-yl)azetidin-3-yl]methyl}-N-methylcyclopropanecarboxamide
CAS 2548976-05-0C14H20N4O2
![(5S,7R)-N-(Cyanomethyl)-5,7-dimethyl-N-propan-2-yl-1,4,5,7-tetrahydropyrano[3,4-c]pyrazole-3-carboxamide chemical structure, C14H20N4O2, CAS 2418597-22-3](/s/DWCSVCQJSYBCHK-VHSXEESVSA-N.svg)
(5S,7R)-N-(Cyanomethyl)-5,7-dimethyl-N-propan-2-yl-1,4,5,7-tetrahydropyrano[3,4-c]pyrazole-3-carboxamide
CAS 2418597-22-3C14H20N4O2
![2-[4-(Oxirane-2-carbonyl)piperazin-1-yl]-4-(propan-2-yl)pyrimidine chemical structure, C14H20N4O2, CAS 2411293-92-8](/s/IWTGLZJPKAIERI-UHFFFAOYSA-N.svg)
2-[4-(Oxirane-2-carbonyl)piperazin-1-yl]-4-(propan-2-yl)pyrimidine
CAS 2411293-92-8C14H20N4O2
![1,5-Dimethyl-N-[[1-(prop-2-enoylamino)cyclobutyl]methyl]pyrazole-3-carboxamide chemical structure, C14H20N4O2, CAS 2418722-09-3](/s/WOWPKVHUIBJFHP-UHFFFAOYSA-N.svg)
1,5-Dimethyl-N-[[1-(prop-2-enoylamino)cyclobutyl]methyl]pyrazole-3-carboxamide
CAS 2418722-09-3C14H20N4O2
4-(6-Methylpyrimidin-4-yl)-2-(pyrrolidine-1-carbonyl)morpholine
CAS 2640954-33-0C14H20N4O2
4-(4-Methylpyrimidin-2-yl)-2-(pyrrolidine-1-carbonyl)morpholine
CAS 2640879-25-8C14H20N4O2
![2-{12-[2-(Dimethylamino)ethyl]-4,6-dioxa-10,12-diazatricyclo[7.3.0.0,3,7]dodeca-1(9),2,7,10-tetraen-11-yl}ethan-1-amine chemical structure, C14H20N4O2, CAS 2768326-20-9](/s/ONJSIALVMCBAJH-UHFFFAOYSA-N.svg)
2-{12-[2-(Dimethylamino)ethyl]-4,6-dioxa-10,12-diazatricyclo[7.3.0.0,3,7]dodeca-1(9),2,7,10-tetraen-11-yl}ethan-1-amine
CAS 2768326-20-9C14H20N4O2
![1,4-Phthalazinedione, 5-[(4-aminobutyl)ethylamino]-2,3-dihydro- chemical structure, C14H20N4O2, CAS 141777-01-7](/s/RURMUNITYJIVQO-UHFFFAOYSA-N.svg)
1,4-Phthalazinedione, 5-[(4-aminobutyl)ethylamino]-2,3-dihydro-
CAS 141777-01-7C14H20N4O2
![3-{[3-(Morpholin-4-yl)propyl]amino}-1H-indazol-5-ol chemical structure, C14H20N4O2, CAS 89443-72-1](/s/QYAVKIJVUICZBT-UHFFFAOYSA-N.svg)
3-{[3-(Morpholin-4-yl)propyl]amino}-1H-indazol-5-ol
CAS 89443-72-1C14H20N4O2
2-(4-Acetylpiperazin-1-yl)-N-(3-aminophenyl)acetamide
CAS 954265-93-1C14H20N4O2
![5-{2-[4-(Pyridin-2-yl)piperazin-1-yl]ethyl}-1,3-oxazolidin-2-one chemical structure, C14H20N4O2, CAS 51045-23-9](/s/FPJJOIXAVLKLRQ-UHFFFAOYSA-N.svg)
5-{2-[4-(Pyridin-2-yl)piperazin-1-yl]ethyl}-1,3-oxazolidin-2-one
CAS 51045-23-9C14H20N4O2
![1-{6-[2-(Dimethylamino)ethyl]-10,13-dioxa-4,6-diazatricyclo[7.4.0.0,3,7]trideca-1(9),2,4,7-tetraen-5-yl}methanamine chemical structure, C14H20N4O2, CAS 1082568-81-7](/s/HEZBYQNIZLZOGY-UHFFFAOYSA-N.svg)
1-{6-[2-(Dimethylamino)ethyl]-10,13-dioxa-4,6-diazatricyclo[7.4.0.0,3,7]trideca-1(9),2,4,7-tetraen-5-yl}methanamine
CAS 1082568-81-7C14H20N4O2
![4-[1-(Pyrazin-2-yl)piperidine-4-carbonyl]morpholine chemical structure, C14H20N4O2, CAS 2184058-35-1](/s/KHLGFEYHRJITMA-UHFFFAOYSA-N.svg)
4-[1-(Pyrazin-2-yl)piperidine-4-carbonyl]morpholine
CAS 2184058-35-1C14H20N4O2
N-Cyclopropyl-1-(4-methoxypyrimidin-2-yl)piperidine-3-carboxamide
CAS 2877667-04-2C14H20N4O2
![tert-Butyl N-(2-amino-1-{imidazo[1,2-a]pyridin-2-yl}ethyl)carbamate chemical structure, C14H20N4O2, CAS 1495242-85-7](/s/HAJRNMXPAWQJHX-UHFFFAOYSA-N.svg)
tert-Butyl N-(2-amino-1-{imidazo[1,2-a]pyridin-2-yl}ethyl)carbamate
CAS 1495242-85-7C14H20N4O2
![7-Methoxy-1-[2-(4-morpholinyl)ethyl]-1H-benzimidazol-2-amine chemical structure, C14H20N4O2, CAS 847460-85-9](/s/GWKBISJADNSPCC-UHFFFAOYSA-N.svg)
7-Methoxy-1-[2-(4-morpholinyl)ethyl]-1H-benzimidazol-2-amine
CAS 847460-85-9C14H20N4O2
![3-(5-Nitropyridin-2-yl)-3,9-diazaspiro[5.5]undecane chemical structure, C14H20N4O2, CAS 1211535-03-3](/s/SYUYQTZIKSWREB-UHFFFAOYSA-N.svg)
3-(5-Nitropyridin-2-yl)-3,9-diazaspiro[5.5]undecane
CAS 1211535-03-3C14H20N4O2
- N-Ethyl-N-methyl-3-(2-methyl-5-nitro-1H-benzimidazol-1-yl)propan-1-amine832102-49-5C14H20N4O2
- N-(Butan-2-yl)-3-[2-(pyridine-4-carbonyl)hydrazinylidene]butanamide328028-62-2C14H20N4O2
- tert-Butyl (5-cyano-1-methyl-1H-pyrazol-3-yl)methylcyclopropylcarbamate1454849-02-5C14H20N4O2
- Morpholino(6-(piperazin-1-yl)pyridin-3-yl)methanone1141413-66-2C14H20N4O2
- 2-Cyclopropyl-N-((4-oxo-4,6,7,8,9,10-hexahydropyrimido[1,2-A][1,4]diazepin-2-yl)methyl)acetamide1422136-18-2C14H20N4O2
- 3,3-Dimethyl-1-[1-(pyridine-2-carbonyl)piperidin-4-yl]urea1796041-44-5C14H20N4O2
- 1-Methyl-N-{[1-(prop-2-enoyl)piperidin-4-yl]methyl}-1H-pyrazole-4-carboxamide2108995-30-6C14H20N4O2
- Ethyl 4-(6-cyclopropylpyrimidin-4-yl)piperazine-1-carboxylate2098108-09-7C14H20N4O2
- tert-Butyl N-{3-[(6-ethynylpyrimidin-4-yl)amino]propyl}carbamate2097991-67-6C14H20N4O2
- N-{1-[6-(Oxolan-3-yl)pyrimidin-4-yl]pyrrolidin-3-yl}acetamide2097977-17-6C14H20N4O2
- 1-{4-[6-(Oxolan-3-yl)pyrimidin-4-yl]piperazin-1-yl}ethan-1-one2097954-78-2C14H20N4O2
- N-{1-[6-(Oxolan-2-yl)pyrimidin-4-yl]pyrrolidin-3-yl}acetamide2098015-52-0C14H20N4O2
- 1-{4-[6-(Oxolan-2-yl)pyrimidin-4-yl]piperazin-1-yl}ethan-1-one2097974-91-7C14H20N4O2
- 4-(4-Ethyl-4,7-diazaspiro[2.5]octan-7-yl)-2-nitroaniline2155876-66-5C14H20N4O2
- 6-Butyl-1,5-dihydro-1-(tetrahydro-2H-pyran-4-yl)-4H-pyrazolo[3,4-d]pyrimidin-4-one1189766-69-5C14H20N4O2
- 6-(2-Methylbutyl)-1-(tetrahydrofuran-3-yl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one1189767-67-6C14H20N4O2
- 6-Isobutyl-1-(tetrahydro-2H-pyran-3-yl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one1189767-77-8C14H20N4O2
- 1,5-Dihydro-6-(2-methylpropyl)-1-(tetrahydro-2H-pyran-2-yl)-4H-pyrazolo[3,4-d]pyrimidin-4-one1189768-48-6C14H20N4O2
- 1-{3-[(Dimethylamino)methyl]-1,2-benzoxazol-5-yl}-3-(propan-2-yl)urea2379951-63-8C14H20N4O2
- tert-Butyl 4-(2-aminopyrimidin-5-yl)-3,6-dihydropyridine-1(2H)-carboxylate2103900-17-8C14H20N4O2
- N-{2-[(2-tert-Butylpyrimidin-5-yl)carbamoyl]ethyl}prop-2-enamide2197670-85-0C14H20N4O2
- 1-(Prop-2-enoyl)-N-[2-(1H-pyrazol-1-yl)ethyl]piperidine-4-carboxamide2361757-74-4C14H20N4O2
- N-Methyl-N-{2-oxo-2-[3-(1H-pyrazol-1-yl)piperidin-1-yl]ethyl}prop-2-enamide2361811-35-8C14H20N4O2
- N-Methyl-N-[1-(pyridin-2-yl)azetidin-3-yl]morpholine-4-carboxamide2415500-41-1C14H20N4O2
- 3-tert-Butyl-1-{[5-(1-methyl-1H-pyrazol-5-yl)furan-2-yl]methyl}urea2415553-88-5C14H20N4O2
- tert-Butyl N-({3-ethyl-[1,2,4]triazolo[4,3-a]pyridin-6-yl}methyl)carbamate2877643-80-4C14H20N4O2
- N-Cyclopropyl-1-(6-methoxypyrimidin-4-yl)piperidine-3-carboxamide2877636-03-6C14H20N4O2
- N-Cyclopropyl-1-(5-methoxypyrimidin-2-yl)piperidine-3-carboxamide2877643-17-7C14H20N4O2
- 4-[1-(6-Methylpyrimidin-4-yl)pyrrolidine-3-carbonyl]morpholine2877665-90-0C14H20N4O2
- 4-[1-(2-Methylpyrimidin-4-yl)pyrrolidine-3-carbonyl]morpholine2877681-46-2C14H20N4O2
- 4-[1-(6-Methylpyrazin-2-yl)pyrrolidine-3-carbonyl]morpholine2877629-93-9C14H20N4O2
- 4-[1-(4-Methylpyrimidin-2-yl)pyrrolidine-3-carbonyl]morpholine2877640-98-5C14H20N4O2
- 1-Cyclopropanecarbonyl-4-(5-methoxypyrimidin-2-yl)-1,4-diazepane2877630-87-8C14H20N4O2
- 1-Methyl-4-[3-(pyridin-4-yloxy)azetidine-1-carbonyl]piperazine2877644-34-1C14H20N4O2
- 2-[5-(Oxan-4-yl)-1-[(oxolan-2-yl)methyl]-1H-1,2,3-triazol-4-yl]acetonitrile2172539-30-7C14H20N4O2
- N-({[5-(Dimethylamino)pyridin-2-yl]carbamoyl}methyl)-N-ethylprop-2-enamide2411240-47-4C14H20N4O2
- (2E)-4-(Dimethylamino)-N-(3-oxo-2,3,5,6,7,8-hexahydrocinnolin-6-yl)but-2-enamide2411338-36-6C14H20N4O2
- (2E)-4-(Dimethylamino)-N-({5H,7H,8H-pyrano[4,3-d]pyrimidin-2-yl}methyl)but-2-enamide2411325-93-2C14H20N4O2
- tert-Butyl N-[6-(4-cyanobutyl)pyridazin-3-yl]carbamate2680694-13-5C14H20N4O2
- N-Methyl-4-{2-methyl-5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}morpholine-2-carboxamide2877668-93-2C14H20N4O2
- N-Cyclopropyl-1-(1-methyl-6-oxo-1,6-dihydropyrimidin-4-yl)piperidine-3-carboxamide2877651-92-6C14H20N4O2
- 3-Methyl-6-[3-(pyrrolidine-1-carbonyl)pyrrolidin-1-yl]-3,4-dihydropyrimidin-4-one2877664-34-9C14H20N4O2
- 4-[3-(tert-Butylcarbamoyl)azetidin-1-yl]pyridine-2-carboxamide2877651-22-2C14H20N4O2
- 4-Methoxy-6-[3-(pyrrolidine-1-carbonyl)pyrrolidin-1-yl]pyrimidine2877632-60-3C14H20N4O2
- 4-(2-Cyclopropyl-6-methylpyrimidin-4-yl)-N-methylmorpholine-2-carboxamide2877638-67-8C14H20N4O2
- 4-(6-Cyclobutylpyrimidin-4-yl)-N-methylmorpholine-2-carboxamide2877673-10-2C14H20N4O2
- 1-Piperidinecarboxylic acid, 4-(3-cyano-1H-pyrazol-1-yl)-, 1,1-dimethylethyl ester2941326-32-3C14H20N4O2
- Ethyl 4-(diethylamino)-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate204974-77-6C14H20N4O2
- N~2~,N~6~-Dimethyl-4-(piperidin-1-yl)pyridine-2,6-dicarboxamide88561-52-8C14H20N4O2
- N-Cyclopropyl-1-(4-methoxypyrimidin-2-yl)piperidine-4-carboxamide2742060-05-3C14H20N4O2
- N-[1-(4-Methoxypyrimidin-2-yl)piperidin-4-yl]cyclopropanecarboxamide2770597-72-1C14H20N4O2
- 1,3-Dimethyl-7-(piperidin-1-ylmethyl)-1H-pyrrolo[2,3-d]pyrimidine-2,4(3H,7H)-dione1312760-66-9C14H20N4O2
- tert-Butyl N-[2-(2-aminobenzimidazol-1-yl)ethyl]carbamate1148128-41-9C14H20N4O2
- N-[(1,4-Dioxan-2-yl)methyl]-N,2,5-trimethylpyrazolo[1,5-a]pyrimidin-7-amine1377869-37-8C14H20N4O2
- 4-[1-(3-Amino-2-pyridinyl)piperidin-4-yl]morpholin-3-one1416625-72-3C14H20N4O2
- 2-Ethyl-1-[4-(pyrimidin-2-yl)piperazin-1-yl]butane-1,3-dione185619-77-6C14H20N4O2
- N-Hexyl-7-methoxy-1-oxo-1lambda~5~,2,4-benzotriazin-3-amine921933-31-5C14H20N4O2
- (S)-tert-Butyl 4-(aminomethyl)-2-(pyridin-2-yl)-4,5-dihydro-1H-imidazole-1-carboxylate1984062-26-1C14H20N4O2
- rel-(2R,3aS,7aS)-N-((5-methylpyrazin-2-yl)methyl)octahydrofuro[2,3-c]pyridine-2-carboxamide1422135-54-3C14H20N4O2
- rel-(2S,3aS,7aS)-N-((5-methylpyrazin-2-yl)methyl)octahydrofuro[2,3-c]pyridine-2-carboxamide1422068-51-6C14H20N4O2
- 3-{1-[(4-Methoxy-3,5-dimethylpyridin-2-yl)methyl]-1H-1,2,3-triazol-4-yl}propan-1-ol1919381-59-1C14H20N4O2
- tert-Butyl (2-((4-amino-3-cyanophenyl)amino)ethyl)carbamate1703013-11-9C14H20N4O2
- 1-{1-[(4-Methoxy-3,5-dimethylpyridin-2-yl)methyl]-1H-1,2,3-triazol-4-yl}propan-1-ol1709452-07-2C14H20N4O2
- 1-Isopropyl-4-(2-(3-nitrophenyl)hydrazono)piperidine473668-10-9C14H20N4O2
- 1-Isopropyl-4-(2-(4-nitrophenyl)hydrazono)piperidine454448-51-2C14H20N4O2
- Doxazosin impurity 2323672-78-8C14H20N4O2
- N-[(1R,2R)-2-[(4-Methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)methyl]cyclohexyl]but-2-ynamide2305107-54-2C14H20N4O2
- tert-Butyl N-(3-azido-1-phenylpropyl)carbamate1620488-58-5C14H20N4O2
- 3-{[(6-Methylpyridazin-3-yl)oxy]methyl}-N-(prop-2-en-1-yl)pyrrolidine-1-carboxamide2548982-46-1C14H20N4O2
- N-Cyclopropyl-4-(2,6-dimethylpyrimidin-4-yl)morpholine-2-carboxamide2640979-06-0C14H20N4O2
- N-Cyclopropyl-4-(4,6-dimethylpyrimidin-2-yl)morpholine-2-carboxamide2640979-17-3C14H20N4O2
- N-[1-(4-Methoxypyrimidin-2-yl)piperidin-3-yl]cyclopropanecarboxamide2741933-54-8C14H20N4O2
- N-Cyclopropyl-4-(5-ethylpyrimidin-2-yl)morpholine-2-carboxamide2741954-43-6C14H20N4O2
- N-[1-(4-Methyl-3-oxo-3,4-dihydropyrazin-2-yl)piperidin-3-yl]cyclopropanecarboxamide2742014-73-7C14H20N4O2
- Ethyl 4-(2-cyclopropylpyrimidin-4-yl)piperazine-1-carboxylate2640934-96-7C14H20N4O2
- N-Cyclopropyl-4-(5,6-dimethylpyrimidin-4-yl)morpholine-2-carboxamide2640961-02-8C14H20N4O2
Frequently asked questions
What is the molar mass of C14H20N4O2?
The molar mass of C14H20N4O2 is 276.34 g/mol, calculated from standard atomic weights for 14 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 276.1586 Da.
How many compounds have the formula C14H20N4O2?
CompoundList lists 259 compounds with the molecular formula C14H20N4O2, including N-[2-(3-Imidazol-1-ylpiperidin-1-yl)-2-oxoethyl]-N-methylprop-2-enamide, N-[2-[[6-(Dimethylamino)pyridin-2-yl]methylamino]-2-oxoethyl]-N-methylprop-2-enamide, N-Methyl-N-[2-oxo-2-[2-(1H-pyrazol-5-yl)piperidin-1-yl]ethyl]prop-2-enamide. 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 C14H20N4O2?
C14H20N4O2 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.