Molecular formula
C19H21N5OS
201 compounds have this formula on CompoundList.
- Molar mass
- 367.47g/mol
- Monoisotopic mass
- 367.1467Da
- Atoms
- 47
- Elements
- 5
- Rings plus double bonds
- 12
The formula C19H21N5OS describes a molecule made of 19 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms, 1 oxygen atom 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 × 1962.10%12.011 × 19 = 228.209 g/mol
- H Hydrogen × 215.76%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 519.06%14.007 × 5 = 70.035 g/mol
- O Oxygen × 14.35%15.999 × 1 = 15.999 g/mol
- S Sulfur × 18.72%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C19H21N5OS
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 201 compounds
Vuaa1
CAS 525582-84-7C19H21N5OS
![N-(3,4-Dimethylphenyl)-2-{[4-ethyl-5-(4-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C19H21N5OS, CAS 482639-64-5](/s/OLWSMGMVPKIKKD-UHFFFAOYSA-N.svg)
N-(3,4-Dimethylphenyl)-2-{[4-ethyl-5-(4-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 482639-64-5C19H21N5OS
N-(4-Ethylphenyl)-2-((4-ET-5-(4-pyridinyl)-4H-1,2,4-triazol-3-yl)thio)acetamide
CAS 618427-06-8C19H21N5OS
N-(4-Butylphenyl)-2-((1-phenyl-1H-tetraazol-5-yl)thio)acetamide
CAS 303091-25-0C19H21N5OS
![4-(4-Benzylpiperidino)thieno[2,3-d]pyrimidine-6-carbohydrazide chemical structure, C19H21N5OS, CAS 866020-60-2](/s/JPNPFHNYFAIFNH-UHFFFAOYSA-N.svg)
4-(4-Benzylpiperidino)thieno[2,3-d]pyrimidine-6-carbohydrazide
CAS 866020-60-2C19H21N5OS
![2-[2-(4-Pyridin-2-ylpiperazin-1-yl)ethylsulfanyl]-3H-quinazolin-4-one chemical structure, C19H21N5OS, CAS 1301601-24-0](/s/AFXJUCILCGBUNX-UHFFFAOYSA-N.svg)
2-[2-(4-Pyridin-2-ylpiperazin-1-yl)ethylsulfanyl]-3H-quinazolin-4-one
CAS 1301601-24-0C19H21N5OS
![N-(3,4-Dimethylphenyl)-2-{[4-ethyl-5-(3-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C19H21N5OS, CAS 557065-37-9](/s/NPWOPKFPVZZWPQ-UHFFFAOYSA-N.svg)
N-(3,4-Dimethylphenyl)-2-{[4-ethyl-5-(3-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 557065-37-9C19H21N5OS
![N-(3,5-Dimethylphenyl)-2-{[4-ethyl-5-(3-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C19H21N5OS, CAS 557065-43-7](/s/GBCUVOJGMBPGEH-UHFFFAOYSA-N.svg)
N-(3,5-Dimethylphenyl)-2-{[4-ethyl-5-(3-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 557065-43-7C19H21N5OS
![N-(2,5-Dimethylphenyl)-2-{[4-ethyl-5-(2-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C19H21N5OS, CAS 578750-21-7](/s/COLWIQRIIMZMJR-UHFFFAOYSA-N.svg)
N-(2,5-Dimethylphenyl)-2-{[4-ethyl-5-(2-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 578750-21-7C19H21N5OS
N-(2,6-Dimethylphenyl)-2-((4-ethyl-5-(4-pyridinyl)-4H-1,2,4-triazol-3-yl)sulfanyl)acetamide
CAS 482640-16-4C19H21N5OS
![N-(3,5-Dimethylphenyl)-2-{[4-ethyl-5-(4-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C19H21N5OS, CAS 482639-86-1](/s/SGBPEVOENSUQLE-UHFFFAOYSA-N.svg)
N-(3,5-Dimethylphenyl)-2-{[4-ethyl-5-(4-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 482639-86-1C19H21N5OS
N-(3,5-Dimethylphenyl)-2-((4-ethyl-5-(2-pyridinyl)-4H-1,2,4-triazol-3-yl)sulfanyl)acetamide
CAS 577983-85-8C19H21N5OS
N-(2-Ethylphenyl)-2-((4-ET-5-(2-pyridinyl)-4H-1,2,4-triazol-3-yl)thio)acetamide
CAS 587013-65-8C19H21N5OS
N-(2,5-Dimethylphenyl)-2-((4-ethyl-5-(3-pyridinyl)-4H-1,2,4-triazol-3-yl)sulfanyl)acetamide
CAS 587005-19-4C19H21N5OS
N-(2-Ethylphenyl)-2-((4-ET-5-(4-pyridinyl)-4H-1,2,4-triazol-3-yl)thio)acetamide
CAS 618427-04-6C19H21N5OS
N-(2-Ethylphenyl)-2-((4-ET-5-(3-pyridinyl)-4H-1,2,4-triazol-3-yl)thio)acetamide
CAS 142529-69-9C19H21N5OS
4-((4-(Dimethylamino)benzylidene)amino)-5-(3-ethoxy-PH)4H-1,2,4-triazole-3-thiol
CAS 497921-83-2C19H21N5OS
![N-(2,3-Dimethylphenyl)-2-{[4-ethyl-5-(4-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C19H21N5OS, CAS 482639-63-4](/s/KEFFTUFDTCPVMB-UHFFFAOYSA-N.svg)
N-(2,3-Dimethylphenyl)-2-{[4-ethyl-5-(4-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 482639-63-4C19H21N5OS
![2-{[4-Methyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-[4-(propan-2-yl)phenyl]acetamide chemical structure, C19H21N5OS, CAS 578753-15-8](/s/GLUKVIKJAZZZPJ-UHFFFAOYSA-N.svg)
2-{[4-Methyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-[4-(propan-2-yl)phenyl]acetamide
CAS 578753-15-8C19H21N5OS
![N-tert-Butyl-2-[(4-phenyl-5-pyridin-2-yl-1,2,4-triazol-3-yl)sulfanyl]acetamide chemical structure, C19H21N5OS, CAS 695198-80-2](/s/KQYDUNGSVKVBOG-UHFFFAOYSA-N.svg)
N-tert-Butyl-2-[(4-phenyl-5-pyridin-2-yl-1,2,4-triazol-3-yl)sulfanyl]acetamide
CAS 695198-80-2C19H21N5OS
N-(2,6-Dimethylphenyl)-2-((4-ethyl-5-(2-pyridinyl)-4H-1,2,4-triazol-3-yl)sulfanyl)acetamide
CAS 618415-82-0C19H21N5OS
![N-(3,4-Dimethylphenyl)-2-{[4-ethyl-5-(2-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide chemical structure, C19H21N5OS, CAS 618415-94-4](/s/LPGBEVDFLZBCAU-UHFFFAOYSA-N.svg)
N-(3,4-Dimethylphenyl)-2-{[4-ethyl-5-(2-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
CAS 618415-94-4C19H21N5OS
N-(6-Methyl-1,3-benzothiazol-2-yl)-2-(4-pyridin-2-ylpiperazin-1-yl)acetamide
CAS 895358-98-2C19H21N5OS
N-(2,6-Dimethylphenyl)-4-((1-phenyl-1H-tetrazol-5-yl)thio)butanamide
CAS 670270-04-9C19H21N5OS
- 2-{[4-Amino-5-(4-methylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(2,6-dimethylphenyl)acetamide577699-33-3C19H21N5OS
- N-(4-Ethylphenyl)-2-((4-ET-5-(2-pyridinyl)-4H-1,2,4-triazol-3-yl)thio)acetamide577697-46-2C19H21N5OS
- 2-{[1-(3-Methylphenyl)-1H-1,2,3,4-tetrazol-5-yl]sulfanyl}-N-phenyl-N-(propan-2-yl)acetamide326014-70-4C19H21N5OS
- 2-[[5-(3-Aminophenyl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]-N-(2,6-dimethylphenyl)acetamide429642-14-8C19H21N5OS
- 2-[(1-Phenyl-1H-tetrazol-5-yl)sulfanyl]-N-(2,4,6-trimethylphenyl)propanamide329921-27-9C19H21N5OS
- N,N-Diethyl-2-[(4-phenyl-5-pyridin-3-yl-1,2,4-triazol-3-yl)sulfanyl]acetamide799809-40-8C19H21N5OS
- 2-{[4-Amino-5-(4-methylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(2,5-dimethylphenyl)acetamide539812-67-4C19H21N5OS
- N-(2-Methylpropyl)-2-[(4-phenyl-5-pyridin-4-yl-1,2,4-triazol-3-yl)sulfanyl]acetamide557097-76-4C19H21N5OS
- 2-[(4-Amino-5-benzyl-4H-1,2,4-triazol-3-yl)sulfanyl]-N-(3-ethylphenyl)acetamide898607-14-2C19H21N5OS
- (4-Methyl-1,2,3-thiadiazol-5-yl)(4-((2-phenyl-1H-imidazol-1-yl)methyl)piperidin-1-yl)methanone1351597-88-0C19H21N5OS
- Hpk1-IN-262229042-24-2C19H21N5OS
- [5-(2,4-Dimethyl-1,3-Thiazol-5-Yl)-1~{h}-Pyrazol-3-Yl]-(4-Phenylpiperazin-1-Yl)methanone1239473-20-1C19H21N5OS
- 6-Methyl-N-[3-(methylsulfanyl)phenyl]-4-(pyrrolidin-1-yl)pyrazolo[1,5-a]pyrazine-2-carboxamide1775524-94-1C19H21N5OS
- 6-Methyl-N-(3-methylphenyl)-4-(thiomorpholin-4-yl)pyrazolo[1,5-A]pyrazine-2-carboxamide1775494-39-7C19H21N5OS
- 6-Methyl-N-(4-methylphenyl)-4-(thiomorpholin-4-yl)pyrazolo[1,5-a]pyrazine-2-carboxamide1775335-66-4C19H21N5OS
- (4-((1H-Imidazol-1-yl)methyl)phenyl)(3-(5-methyl-1,3,4-thiadiazol-2-yl)piperidin-1-yl)methanone1226427-24-2C19H21N5OS
- 2-((4-Amino-5-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-isopropyl-N-phenylacetamide899754-53-1C19H21N5OS
- Harmine 19a HCI2699749-60-3C19H21N5OS
- N-(4-tert-Butylphenyl)-2-[(1-phenyl-1H-1,2,3,4-tetrazol-5-yl)sulfanyl]acetamide307513-33-3C19H21N5OS
- N-(4-Butan-2-ylphenyl)-2-(1-phenyltetrazol-5-yl)sulfanylacetamide329079-06-3C19H21N5OS
- 1-(4-Methylpiperidin-1-yl)-2-((3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)ethanone721964-43-8C19H21N5OS
- 4-Amino-8,8-dimethyl-2-(methylsulfanyl)-5-(pyridin-4-yl)-5,8,9,10-tetrahydropyrimido[4,5-b]quinolin-6(7H)-one877818-94-5C19H21N5OS
- 2-{[4-Methyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(2,4,6-trimethylphenyl)acetamide338425-60-8C19H21N5OS
- 2-[1-(4-Methylphenyl)tetrazol-5-yl]sulfanyl-N-phenyl-N-propan-2-ylacetamide539812-28-7C19H21N5OS
- N-Cyclohexyl-2-({1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl}sulfanyl)acetamide516461-37-3C19H21N5OS
- 2-((4-Amino-5-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-mesitylacetamide540498-75-7C19H21N5OS
- N-(2-Ethyl-6-methylphenyl)-2-{[4-methyl-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide557065-45-9C19H21N5OS
- N-(2,3-Dimethylphenyl)-2-{[4-ethyl-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide333331-35-4C19H21N5OS
- N-(2-Ethyl-6-methylphenyl)-2-{[4-methyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide482636-91-9C19H21N5OS
- 1-(Piperidin-1-yl)-2-((3-(p-tolyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)ethanone852375-31-6C19H21N5OS
- N-Cyclopentyl-2-((3-(p-tolyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide852375-76-9C19H21N5OS
- 2-(Benzo[d]thiazol-2-yl(methyl)amino)-1-(4-(pyridin-2-yl)piperazin-1-yl)ethanone1351602-40-8C19H21N5OS
- 1-{[4-(2-Methylphenyl)-4H-1,2,4-triazol-3-yl]methyl}-4-(3-thienylcarbonyl)piperazine1396765-19-7C19H21N5OS
- (S)-Cdc7-IN-182562329-13-7C19H21N5OS
- N-(2,4-Dimethylphenyl)-2-[(4-ethyl-5-pyridin-3-yl-1,2,4-triazol-3-yl)sulfanyl]acetamide333418-83-0C19H21N5OS
- N-(2,6-Diethylphenyl)-2-(1-phenyltetrazol-5-yl)sulfanylacetamide386716-38-7C19H21N5OS
- 2-((4-Amino-5-(m-tolyl)-4H-1,2,4-triazol-3-yl)thio)-N-(2,5-dimethylphenyl)acetamide573931-43-8C19H21N5OS
- 2-{[4-Methyl-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-[4-(propan-2-yl)phenyl]acetamide577981-81-8C19H21N5OS
- 2-((4-Amino-5-(m-tolyl)-4H-1,2,4-triazol-3-yl)thio)-N-(2,3-dimethylphenyl)acetamide811459-89-9C19H21N5OS
- 2-((4-Amino-5-(m-tolyl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-ethylphenyl)acetamide843617-79-8C19H21N5OS
- 2-((4-Amino-5-(m-tolyl)-4H-1,2,4-triazol-3-yl)thio)-N-(3,4-dimethylphenyl)acetamide577696-69-6C19H21N5OS
- 2-((4-Amino-5-(m-tolyl)-4H-1,2,4-triazol-3-yl)thio)-N-(2,6-dimethylphenyl)acetamide579440-75-8C19H21N5OS
- 2-((4-Amino-5-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-(4-isopropylphenyl)acetamide573707-10-5C19H21N5OS
- 2-((4-Amino-5-(m-tolyl)-4H-1,2,4-triazol-3-yl)thio)-N-(3,5-dimethylphenyl)acetamide578733-07-0C19H21N5OS
- 2-((4-Amino-5-(m-tolyl)-4H-1,2,4-triazol-3-yl)thio)-N-(2-ethylphenyl)acetamide577761-79-6C19H21N5OS
- 3-[2-(4-Phenylpiperazin-1-yl)ethyl]-2-sulfanylidene-1H-pyrido[2,3-d]pyrimidin-4-one688793-38-6C19H21N5OS
- N-(1-Cyano-1,2-dimethylpropyl)-2-({5-methyl-[1,2,4]triazolo[4,3-a]quinolin-1-yl}sulfanyl)acetamide847840-90-8C19H21N5OS
- 2-[(4-Ethyl-5-pyridin-2-yl-1,2,4-triazol-3-yl)sulfanyl]-N-(1-phenylethyl)acetamide905059-42-9C19H21N5OS
- 2-{[1-(2,4-Dimethylphenyl)-1H-tetrazol-5-yl]sulfanyl}-N-(2-methylphenyl)propanamide869466-72-8C19H21N5OS
- N-Cyclohexyl-2-((3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide852372-65-7C19H21N5OS
- 1-((1-Cyclopentyl-5-(pyridin-4-yl)-1H-pyrazol-3-yl)methyl)-3-(thiophen-2-yl)urea1421513-69-0C19H21N5OS
- 1-[4-(3-Thienylcarbonyl)piperazin-1-yl]-7,8,9,10-tetrahydropyrazino[1,2-b]indazole2034348-22-4C19H21N5OS
- N-(2,4-Dimethylphenyl)-5-methyl-7-(thiophen-2-yl)-4,5,6,7-tetrahydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide1212331-51-5C19H21N5OS
- N-(3-Methylphenyl)-2-[(4-propyl-5-pyridin-4-yl-1,2,4-triazol-3-yl)sulfanyl]acetamide626209-55-0C19H21N5OS
- 1-(4-Methylpiperidin-1-yl)-2-((1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)ethanone461017-87-8C19H21N5OS
- 3-Methyl-N-[(6-methyl-2-phenylbenzotriazol-5-yl)carbamothioyl]butanamide429649-28-5C19H21N5OS
- N-(2-Methylphenyl)-2-[(4-propyl-5-pyridin-4-yl-1,2,4-triazol-3-yl)sulfanyl]acetamide626209-52-7C19H21N5OS
- 2-{[4-Methyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-[4-(propan-2-yl)phenyl]acetamide573947-15-6C19H21N5OS
- 1-(Azepan-1-yl)-2-((3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)ethanone852372-24-8C19H21N5OS
- 2-{[1-(2,3-Dimethylphenyl)-1H-tetrazol-5-yl]sulfanyl}-N-(2-methylphenyl)propanamide924838-13-1C19H21N5OS
- 1-(5,6-Dimethylthieno[2,3-d]pyrimidin-4-yl)-N-(pyridin-4-yl)piperidine-4-carboxamide1206116-81-5C19H21N5OS
- 1-(5,6-Dimethylthieno[2,3-d]pyrimidin-4-yl)-N-(pyridin-3-yl)piperidine-4-carboxamide1206138-99-9C19H21N5OS
- N-(2-(2-(Pyrimidin-2-yl)-1H-imidazol-1-yl)ethyl)-1-(thiophen-2-yl)cyclopentanecarboxamide1448030-65-6C19H21N5OS
- N-((4-(Dimethylamino)-6-methylpyrimidin-2-yl)methyl)-4-methyl-2-phenylthiazole-5-carboxamide1796964-44-7C19H21N5OS
- 1-(2-(5-Cyclopropyl-3-(pyridin-4-yl)-1H-pyrazol-1-yl)ethyl)-3-(thiophen-2-ylmethyl)urea1797327-81-1C19H21N5OS
- (4-(Benzo[d]isothiazol-3-yl)piperazin-1-yl)(4,5,6,7-tetrahydro-1H-benzo[d]imidazol-5-yl)methanone2034484-59-6C19H21N5OS
- Benzo[d]thiazol-2-yl(4-(3-cyclopropyl-1-methyl-1H-pyrazol-5-yl)piperazin-1-yl)methanone2034619-25-3C19H21N5OS
- 2-[[5-(3-Aminophenyl)-4-methyl-1,2,4-triazol-3-yl]sulfanyl]-N-(4-ethylphenyl)acetamide428856-31-9C19H21N5OS
- 2-{[5-(3-Aminophenyl)-4-methyl-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(2,4-dimethylphenyl)acetamide443668-96-0C19H21N5OS
- 1-(Azepan-1-yl)-2-(1-phenylpyrazolo[3,4-d]pyrimidin-4-yl)sulfanylethanone570363-45-0C19H21N5OS
- 2-{[4-Amino-5-(2-methylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(4-ethylphenyl)acetamide573942-92-4C19H21N5OS
- 2-{[4-Amino-5-(2-methylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(2,3-dimethylphenyl)acetamide573949-50-5C19H21N5OS
- 2-(4-Amino-5-phenyl(1,2,4-triazol-3-ylthio))-N-(6-ethyl-2-methylphenyl)acetami de766533-47-5C19H21N5OS
- 2-{[4-Amino-5-(2-methylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(2,6-dimethylphenyl)acetamide577982-11-7C19H21N5OS
- 2-{[4-Amino-5-(2-methylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-(2-ethylphenyl)acetamide577989-41-4C19H21N5OS
- 2-[(4-Amino-5-phenyl-4H-1,2,4-triazol-3-yl)sulfanyl]-N-[2-(propan-2-yl)phenyl]acetamide768022-03-3C19H21N5OS
Frequently asked questions
What is the molar mass of C19H21N5OS?
The molar mass of C19H21N5OS is 367.47 g/mol, calculated from standard atomic weights for 19 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 367.1467 Da.
How many compounds have the formula C19H21N5OS?
CompoundList lists 201 compounds with the molecular formula C19H21N5OS, including Vuaa1, N-(3,4-Dimethylphenyl)-2-{[4-ethyl-5-(4-pyridinyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide, N-(4-Ethylphenyl)-2-((4-ET-5-(4-pyridinyl)-4H-1,2,4-triazol-3-yl)thio)acetamide. 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 C19H21N5OS?
C19H21N5OS has a degree of unsaturation of 12. 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.