CAS number index

CAS numbers starting with 20, page 17

7,121 chemicals have a CAS number that starts with 20. They are listed in CAS order.

Showing 1,601 to 1,700 of 7,121 chemicals

CAS numberChemical nameFormulaMol. weight

202752-04-34'-Methoxybiphenyl-4-sulfonyl chlorideC₁₃H₁₁ClO₃S282.75
2027528-63-6tert-Butyl N-(3-amino-4,4-dimethylpentyl)-N-methylcarbamateC₁₃H₂₈N₂O₂244.38
2027543-00-41,3-Dimethyl-5-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-benzyl]-pyrimidine-2,4,6-trioneC₁₉H₂₅BN₂O₅372.23
2027543-16-21,3-Dimethyl-5-(3-(4,4,5,5-tetramethyl-(1,3,2)dioxaborolan-2-yl)-benzylidene)-pyrimidine-2,4,6-trioneC₁₉H₂₃BN₂O₅370.21
2027549-68-2Ethyl 4-cyano-5-{[(dimethylamino)methylidene]amino}-3-methylthiophene-2-carboxylateC₁₂H₁₅N₃O₂S265.34
2027558-84-33-Ethyl-5-(sulfanylmethyl)-1,3-oxazolidin-2-oneC₆H₁₁NO₂S161.23
20276-45-3CotarniniumC₁₂H₁₄NO₃+220.25
20277-01-42-(3-Hydroxyphenyl)acetohydrazideC₈H₁₀N₂O₂166.18
20277-02-52-(4-Hydroxyphenyl)acetohydrazideC₈H₁₀N₂O₂166.18
20277-06-92-((2-Hydroxyphenyl)sulfanyl)acetohydrazideC₈H₁₀N₂O₂S198.25
20277-69-4Sodium methanesulfinateCH₃NaO₂S102.09
20277-92-3N,N-DiphenylguanidineC₁₃H₁₃N₃211.27
2027797-71-13-[(4-Bromothiophen-3-yl)formamido]propanoic acidC₈H₈BrNO₃S278.13
20278-89-13,4,5-TrimethylheptaneC₁₀H₂₂142.29
2027828-86-8[1-(2,2-Difluoroethyl)cyclopropyl]methanolC₆H₁₀F₂O136.14
20279-06-5HomodihydrocapsaicinC₁₉H₃₁NO₃321.46
20279-16-7Dibenzofuran-3-olC₁₂H₈O₂184.19
20279-25-8Borneol propionateC₁₃H₂₂O₂210.32
20279-29-2Phenyl isobutyrateC₁₀H₁₂O₂164.20
20279-31-61,7,7-Trimethylbicyclo[2.2.1]hept-2-yl pentanoateC₁₅H₂₆O₂238.37
20279-51-0Hexyl DL-lactateC₉H₁₈O₃174.24
20279-53-22-Methylpropyl 2-furancarboxylateC₉H₁₂O₃168.19
2027962-23-65-Methyloxolane-3-sulfonyl chlorideC₅H₉ClO₃S184.64
202797-03-3tert-Butyl 3-amino-9-azabicyclo[3.3.1]nonane-9-carboxylateC₁₃H₂₄N₂O₂240.35
2028-12-8Tetrahydrophthalamic acidC₈H₁₁NO₃169.18
2028-63-93-Butyn-2-olC₄H₆O70.09
2028-84-44-Methylbenzenediazonium chlorideC₇H₇ClN₂154.60
20280-10-8N,N,N',N'-TetrabutylmethylenediamineC₁₇H₃₈N₂270.50
20280-81-34-MethoxycourmarinC₁₀H₈O₃176.17
20280-86-83-Benzyl-2H-1-benzopyran-2-oneC₁₆H₁₂O₂236.27
2028010-75-31-[(tert-Butoxy)carbonyl]-3-[(4-chlorophenyl)methyl]azetidine-3-carboxylic acidC₁₆H₂₀ClNO₄325.79
202805-07-06-(2,4-Dioxo-3-azatricyclo(7.3.1.0^(5,13))trideca-1(13),5,7,9,11-pentaen-3-yl)hexanoic acidC₁₈H₁₇NO₄311.34
202805-08-13-(1,3-Dioxo-1H-benz[de]isoquinolin-2(3H)-yl)benzoic acidC₁₉H₁₁NO₄317.30
202805-09-22-(2-Methoxy-phenyl)-benzo[de]isoquinoline-1,3-dioneC₁₉H₁₃NO₃303.32
202805-22-92-(2-Phenylethenesulfonamido)acetic acidC₁₀H₁₁NO₄S241.27
202805-45-62-(4,6-Dimethylpyrimidin-2-yl)sulfanyl-N,N-dimethylacetamideC₁₀H₁₅N₃OS225.32
202805-69-44-Bromo-3-methylbenzene-1-carboximidamideC₈H₉BrN₂213.08
202806-40-4(2R,3R,4S,5R)-2-(4-Amino-7-fluoro-imidazo(4,5-c)pyridin-1-yl)-5-hydroxymethyl-tetrahydro-furan-3,4-diolC₁₁H₁₃FN₄O₄284.25
202807-44-16-Methoxy-1-methyl-1H-indole-3-carbaldehydeC₁₁H₁₁NO₂189.21
202808-22-85-Bromo-4-chloro-2-nitrobenzaldehydeC₇H₃BrClNO₃264.46
202808-92-21-(Pyridin-2-yl)hex-5-en-2-oneC₁₁H₁₃NO175.23
20281-00-9Dicesium oxideHCs₂O+282.82
2028114-44-3tert-Butyl N-[2-cyclopropyl-2-(methylamino)ethyl]-N-methylcarbamateC₁₂H₂₄N₂O₂228.34
2028121-68-61-(Bicyclo(3.1.0)hexan-1-yl)-2-chloroethan-1-oneC₈H₁₁ClO158.63
2028127-14-0tert-Butyl 3-formyl-3-(methoxymethyl)piperidine-1-carboxylateC₁₃H₂₃NO₄257.33
202815-28-9Licoagrochalcone AC₂₀H₂₀O₄324.38
202815-29-0LicoagrocarpinC₂₁H₂₂O₄338.40
202817-06-9(5-tert-Butyl-1,2-oxazol-3-yl)methanolC₈H₁₃NO₂155.20
202817-08-12-[2-(Propan-2-yl)-1,3-thiazol-4-yl]ethan-1-amineC₈H₁₄N₂S170.28
202819-51-01-(4-Nitrobenzoyl)piperazine hydrochlorideC₁₁H₁₄ClN₃O₃271.70
202819-53-23-Amino-N-benzylpropanamide hydrochlorideC₁₀H₁₅ClN₂O214.70
20282-40-01-Butyl-2,5-dimethyl-1H-pyrroleC₁₀H₁₇N151.25
20282-70-6C.I. Azoic Diazo Component 48C₁₄H₁₂N₄O₂+₂268.28
20282-75-1DiorcinolC₁₄H₁₄O₃230.26
202820-41-52,3,6-Trimethyl-5-phenylpyrimidin-4(3H)-oneC₁₃H₁₄N₂O214.27
202820-88-06-(Prop-2-en-1-yl)-1,3-diazaspiro[4.5]decane-2,4-dioneC₁₁H₁₆N₂O₂208.26
202820-89-12-Phenyl-6-(prop-2-en-1-yl)-1,2,4-triazaspiro[4.5]decan-3-oneC₁₆H₂₁N₃O271.36
202821-40-76-Bromo-3-(1-(2-bromobenzoyl)-5-(furan-2-yl)-4,5-dihydro-1H-pyrazol-3-yl)-4-phenylquinolin-2(1H)-oneC₂₉H₁₉Br₂N₃O₃617.30
202821-81-6Bms-191011C₁₆H₁₀ClF₃N₂O₃370.71
202822-21-7Bms-192364C₁₅H₉ClF₃N₃O₂355.70
2028224-13-52-Bromo-1-{spiro[2.5]octan-6-yl}ethan-1-oneC₁₀H₁₅BrO231.13
202823-24-3(5-Chloro-2-methoxyphenyl)hydrazineC₇H₉ClN₂O172.62
202823-67-41,4-Dichloro-5,6,7,8-tetrahydro-5,8-ethanophthalazineC₁₀H₁₀Cl₂N₂229.11
2028236-10-2{6,6-Difluorospiro[2.5]octan-1-yl}methanolC₉H₁₄F₂O176.21
202825-45-4(S)-2-((4-((2-Fluorobenzyl)oxy)benzyl)amino)propanamide methanesulfonateC₁₈H₂₃FN₂O₅S398.46
202825-46-5Safinamide mesylateC₁₈H₂₃FN₂O₅S398.46
202825-61-42-(4-Phenoxyphenyl)acetaldehydeC₁₄H₁₂O₂212.25
2028257-91-06-Phenyl-1-azaspiro(3.3)heptaneC₁₂H₁₅N173.26
2028279-42-51-((3R)-3-Methylpiperazin-1-yl)ethan-1-one hydrochlorideC₇H₁₅ClN₂O178.66
202828-12-42-(Naphthalen-1-yl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxylic acidC₁₉H₁₁NO₄317.30
20283-21-0Decylsulfonic acidC₁₀H₂₂O₃S222.35
20283-69-6NiddamycinC₄₀H₆₅NO₁₄783.95
20283-92-5Rosmarinic acidC₁₈H₁₆O₈360.32
2028307-97-1tert-Butyl ((1H-pyrazol-1-yl)((2,2,2-trifluoroacetyl)imino)methyl)carbamateC₁₁H₁₃F₃N₄O₃306.24
2028341-88-82-tert-Butyl 8-methyl 2,6-diazaspiro[3.4]octane-2,8-dicarboxylateC₁₃H₂₂N₂O₄270.33
2028341-90-2(2-Oxa-6-azaspiro(3.4)octan-8-yl)methanolC₇H₁₃NO₂143.19
2028375-31-53,3-Dimethyl-2-(1H-1,2,3-triazol-1-yl)butanoic acidC₈H₁₃N₃O₂183.21
20284-80-4AcryloylcholineC₈H₁₆NO₂+158.22
202842-98-63,4-Dimethylpyrazole phosphateC₅H₁₁N₂O₄P194.13
202843-20-73-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-7-isopropoxy-2-methyl-4H-chromen-4-oneC₂₁H₂₀O₅352.39
202844-10-8IndantadolC₁₁H₁₄N₂O190.25
20285-47-61-(2-Methoxyphenyl)-6,6-dimethyl-1,6-dihydro-1,3,5-triazine-2,4-diamineC₁₂H₁₇N₅O247.30
20285-54-51-(2,5-Dichlorophenyl)-6,6-dimethyl-1,6-dihydro-1,3,5-triazine-2,4-diamineC₁₁H₁₃Cl₂N₅286.17
20285-55-61,3,5-Triazine-2,4-diamine, 1-(2,4-dichlorophenyl)-1,6-dihydro-6,6-dimethyl-C₁₁H₁₃Cl₂N₅286.17
20285-70-52,4-Pyrimidinediamine, 5-((4-methoxyphenyl)methyl)-C₁₂H₁₄N₄O230.27
202850-01-9N-[(E,2S,3R)-1,3-Dihydroxyoctadec-4-en-2-yl]-12-[(4-nitro-2,1,3-benzoxadiazol-7-yl)amino]dodecanamideC₃₆H₆₁N₅O₆659.91
2028573-58-04,4,4-Trifluoro-2-phenylbutan-2-amineC₁₀H₁₂F₃N203.21
202859-73-21-Cyclopropyl-2,3-dihydro-1H-1,3-benzodiazol-2-oneC₁₀H₁₀N₂O174.20
20286-12-8Aziridine, 1-(2-methyl-1-oxopropyl)-C₆H₁₁NO113.16
20286-81-1N-[2-(2-Hydroxyphenyl)ethyl]-6-nitro-1,3-benzodioxole-5-carboxamideC₁₆H₁₄N₂O₆330.30
202865-57-41-Bromo-2,5-dichloro-3-fluorobenzeneC₆H₂BrCl₂F243.89
202865-58-51-Bromo-4,5-difluoro-2-methoxybenzeneC₇H₅BrF₂O223.02
202865-59-62-Bromo-4,6-difluoroanisoleC₇H₅BrF₂O223.02
202865-60-94-Bromo-2,5-difluoroanisoleC₇H₅BrF₂O223.02
202865-61-04-Bromo-3,5-difluoroanisoleC₇H₅BrF₂O223.02
202865-64-34-Bromo-2-fluorobenzaldehyde oximeC₇H₅BrFNO218.03
202865-66-52-Bromo-5-fluorobenzyl alcoholC₇H₆BrFO205.03
202865-68-71-(3-Bromo-4-fluorophenyl)methanamine hydrochlorideC₇H₈BrClFN240.50
202865-69-85-Bromo-2-fluorobenzylamine hydrochlorideC₇H₈BrClFN240.50
202865-70-12-Propenoic acid, 3-(2-bromo-5-fluorophenyl)-C₉H₆BrFO₂245.05

All pages for 20 (72 pages)Show all

Every CAS number here is checked for a valid check digit. Confirm it with the supplier before you order. CAS Registry Number is a registered trademark of the American Chemical Society.