CAS number index

CAS numbers starting with 2, page 16

55,552 chemicals have a CAS number that starts with 2. They are listed in CAS order.

Showing 1,501 to 1,600 of 5,000 chemicals

CAS numberChemical nameFormulaMol. weight

202591-85-32-Butyn-1-yl chloroformateC₅H₅ClO₂132.55
202592-23-22-((9S)-7-(4-Chlorophenyl)-4,5,13-trimethyl-3-thia-1,8,11,12-tetraazatricyclo(8.3.0.0,2,6)trideca-2(6),4,7,10,12-pentaen-9-yl)acetic acidC₁₉H₁₇ClN₄O₂S400.89
202594-64-72-Benzyl-4-(chloromethyl)-1,3-oxazoleC₁₁H₁₀ClNO207.66
202595-58-2Ethyl 2-(1H-pyrrol-1-yl)thiazole-4-carboxylateC₁₀H₁₀N₂O₂S222.27
202597-28-2SaligcinnamideC₃₃H₅₀N₂O490.78
202599-00-62-Phenyl-N,N,3-trimethylvaleramideC₁₄H₂₁NO219.33
202599-49-32-(Piperidin-1-yl)quinoline-4-carboxylic acidC₁₅H₁₆N₂O₂256.31
2025994-47-04-(2-Fluoroethyl)piperazin-1-amineC₆H₁₄FN₃147.20
2026-08-61,8-NaphthalenedimethanolC₁₂H₁₂O₂188.23
2026-24-6Dehydroabietylamine acetateC₂₂H₃₅NO₂345.53
2026-27-93,3',4,4'-Tetramethoxy-1,1'-biphenylC₁₆H₁₈O₄274.32
2026-48-4L-ValinolC₅H₁₃NO103.17
20260-53-13-Pyridinecarbonyl chloride, hydrochloride (1:1)C₆H₅Cl₂NO178.02
202601-80-74-[(5,5-Dimethyl-3-oxocyclohex-1-en-1-yl)amino]-1,5-dimethyl-2-phenyl-2,3-dihydro-1H-pyrazol-3-oneC₁₉H₂₃N₃O₂325.41
202603-14-34-Chloro-2-methoxy-3-methylaniline hydrochlorideC₈H₁₁Cl₂NO208.09
2026048-56-43-(3-(Pyrrolidin-1-yl)propyl)-1,3-oxazolidin-2-oneC₁₀H₁₈N₂O₂198.27
20261-05-6Ammonium malateC₄H₁₂N₂O₅168.15
20261-31-84-Hydroxy-3-nitrocoumarinC₉H₅NO₅207.14
20261-38-5Ginkgoneolic acidC₂₀H₃₂O₃320.47
20261-45-49,12-Hexadecadienoic acidC₁₆H₂₈O₂252.40
20261-60-3Ethanol, 2,2'-iminobis-, sulfate (2:1)C₈H₂₄N₂O₈S308.35
20261-85-2DinactinC₄₂H₆₈O₁₂764.99
2026171-33-32-{[(tert-Butoxy)carbonyl]amino}-2-(1-methyl-1H-pyrazol-5-yl)acetic acidC₁₁H₁₇N₃O₄255.27
20262-55-9TrimellitimideC₉H₅NO₄191.14
20262-58-2Brilliant orange 3RC₂₀H₁₇N₃Na₂O₁₁S₃617.55
20262-76-4Patent Blue V sodiumC₂₇H₃₁N₂NaO₇S₂582.68
2026374-42-35,5-Difluoro-3,3-dimethylpentanoic acidC₇H₁₂F₂O₂166.17
2026392-51-62-tert-Butyl-5-ethynyl-2H-1,2,3,4-tetrazoleC₇H₁₀N₄150.19
20264-73-71H-Pyrazole, 4,5-dihydro-3-(4-methoxyphenyl)-1-phenyl-5-(2-thienyl)-C₂₀H₁₈N₂OS334.44
20264-76-0RefChem:357136C₁₄H₁₄N₂O226.28
20264-77-15-Furan-2-yl-1-phenyl-3-thiophen-2-yl-4,5-dihydro-1H-pyrazoleC₁₇H₁₄N₂OS294.38
20264-89-5Benzene, 1-(1,3-butadienyl)-4-nitro-C₁₀H₉NO₂175.19
2026413-31-8tert-Butyl 3-amino-3-(aminomethyl)azetidine-1-carboxylateC₉H₁₉N₃O₂201.27
202646-80-8FR-194921C₂₃H₂₃N₅O385.47
202647-18-51-(4-Hydroxypiperidin-1-yl)butan-1-oneC₉H₁₇NO₂171.24
20265-35-42-Methoxy-3-nitropyridineC₆H₆N₂O₃154.13
20265-37-63-Methoxy-2-nitropyridineC₆H₆N₂O₃154.13
20265-38-73-Amino-2-methoxypyridineC₆H₈N₂O124.14
20265-39-82-Methoxypyridin-4-amineC₆H₈N₂O124.14
20265-96-74-Chloroaniline hydrochlorideC₆H₇Cl₂N164.03
20265-97-84-Anisidine hydrochlorideC₇H₁₀ClNO159.62
2026508-77-8Ethyl 3-fluoro-4-methyl-4-(trifluoromethyl)pyrrolidine-3-carboxylateC₉H₁₃F₄NO₂243.20
2026515-45-56-(4,4-Difluoropiperidin-1-yl)nicotinic acidC₁₁H₁₂F₂N₂O₂242.22
202654-29-3N1,N2-Bis(5-methylhexan-2-yl)benzene-1,2-diamineC₂₀H₃₆N₂304.52
202656-13-1Tris(hydroxymethyl-d3)amino-d2-methaneC₄H₁₁NO₃132.20
202656-23-31,3-Dichloropropene-D4C₃H₄Cl₂115.00
202658-88-62-Chloro-N-methylsulfonylacetamideC₃H₆ClNO₃S171.60
2026587-11-92,3-Dimethoxypropane-1-sulfonamideC₅H₁₃NO₄S183.23
20266-00-61-(Chloroacetyl)pyrrolidineC₆H₁₀ClNO147.60
20266-25-54-[(2-Chlorophenyl)amino]-4-oxobutanoic acidC₁₀H₁₀ClNO₃227.65
20266-74-42-(Nitrooxy)propan-1-olC₃H₇NO₄121.09
202664-32-23-(2-Amino-1,3-thiazol-4-yl)benzonitrileC₁₀H₇N₃S201.25
202664-38-82-Bromo-1-(3-fluoro-5-(trifluoromethyl)phenyl)ethan-1-oneC₉H₅BrF₄O285.03
202664-53-72'-Fluoro-5'-(trifluoromethyl)acetophenoneC₉H₆F₄O206.14
202664-54-81-[3-Fluoro-5-(trifluoromethyl)phenyl]ethan-1-oneC₉H₆F₄O206.14
2026643-10-5(17alpha)-17-Hydroxyestra-4,9,11-trien-3-one-16,16,17-d3C₁₈H₂₂O₂273.39
2026647-81-2Methyl 3-hydroxy-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzoateC₁₄H₁₉BO₅278.11
202667-43-4Lithium potassium sodium N,N''-bis(6-(7-(4-(4-chloro-1,3,5-triazin-2-yl)amino-4-(2-ureidophenylazo))naphthalene-1,3,6-trisulfonato))-N'-(2-aminoethyl)piperazineC₄₆H₃₅Cl₂K₂Li₂N₁₉Na₂O₂₀S₆1575.27
202667-44-53,5,6,7-Tetrahydro-2-methyl-s-indacen-1(2H)-oneC₁₃H₁₄O186.25
202667-45-61,2,3,5-Tetrahydro-6-methyl-s-indaceneC₁₃H₁₄170.25
20267-89-4IsogermafurenolideC₁₅H₂₀O₂232.32
20267-93-0Echinatine, N-oxideC₁₅H₂₅NO₆315.37
20268-51-37-Nitrobenz(a)anthraceneC₁₈H₁₁NO₂273.29
20268-52-47-Chlorobenz(a)anthraceneC₁₈H₁₁Cl262.74
20268-71-7HydroxymatairesinolC₂₀H₂₂O₇374.39
20268-93-3Isopentenyladenosine-5'-monophosphateC₁₅H₂₂N₅O₇P415.34
2027-17-02-IsopropylnaphthaleneC₁₃H₁₄170.25
2027-47-69-Octadecenoic acidC₁₈H₃₄O₂282.47
2027-66-92,2,8-Trimethyl-2H,4H-[1,3]dioxino[4,5-c]pyridine-5-carboxylic acidC₁₁H₁₃NO₄223.23
20271-20-9Methyl 5-nitro-1H-imidazole-4-carboxylateC₅H₅N₃O₄171.11
20271-33-4Ethyl 5-amino-1-benzyl-1H-1,2,3-triazole-4-carboxylateC₁₂H₁₄N₄O₂246.27
20271-34-55-Amino-1-benzyl-1H-1,2,3-triazole-4-carbothioamideC₁₀H₁₁N₅S233.30
20271-35-65-Amino-1-benzyl-1H-1,2,3-triazole-4-carbonitrileC₁₀H₉N₅199.22
20271-39-01-Phenyl-5-amino-1,2,3-triazole-4-nitrileC₉H₇N₅185.19
20271-40-3Sodium 5-chloro-N-(2-(4-((((cyclohexylamino)carbonyl)amino)sulphonyl)phenyl)ethyl)-2-methoxybenzamidateC₂₃H₂₇ClN₃NaO₅S516.00
2027106-02-9(1S,3R)-3-[(2R)-2-Phenylpropanamido]cyclopentane-1-carboxylic acidC₁₅H₁₉NO₃261.32
20272-14-4Potassium 3-carboxyprop-2-enoateC₄H₃KO₄154.16
20273-10-31,2,3-Oxadiazol-5-amineC₂H₃N₃O85.07
20273-24-92-Penten-1-olC₅H₁₀O86.13
20273-74-92-(4-Nitrophenyl)-1-phenylethanolC₁₄H₁₃NO₃243.26
202737-32-41-(3-Methylphenyl)cyclobutane-1-carboxylic acidC₁₂H₁₄O₂190.24
202737-33-51-Thien-2-ylcyclobutanecarboxylic acidC₉H₁₀O₂S182.24
202737-37-92-Phenylspiro[3.3]heptane-2-carboxylic acidC₁₄H₁₆O₂216.28
202737-46-01-(Thiophen-2-yl)cyclopentane-1-carboxylic acidC₁₀H₁₂O₂S196.27
202737-51-73-Oxo-1-phenylcyclobutane-1-carbonitrileC₁₁H₉NO171.20
20274-69-54-Fluoro-3-nitrobenzyl alcoholC₇H₆FNO₃171.13
20274-70-84-(Chloromethyl)-1-fluoro-2-nitrobenzeneC₇H₅ClFNO₂189.57
20274-80-0Leu-Leu-AlaC₁₅H₂₉N₃O₄315.41
20274-83-3Leu-Leu-GluC₁₇H₃₁N₃O₆373.45
20274-89-9Glycyl-glycyl-valineC₉H₁₇N₃O₄231.25
202744-93-2N-[(tert-Butoxy)carbonyl]-3-isocyanoanilineC₁₂H₁₄N₂O₂218.26
202745-13-9N-((tert-Butoxy)carbonyl)-4-isocyanoanilineC₁₂H₁₄N₂O₂218.26
202745-73-11-Methyl-1H-indole-6-carboxylic acidC₁₀H₉NO₂175.19
202745-93-52-(4,6-Dimethylpyrimidin-2-yl)sulfanyl-N,N-diethylacetamideC₁₂H₁₉N₃OS253.37
2027453-50-3tert-Butyl 3-(3-bromo-2-fluorobenzoyl)azetidine-1-carboxylateC₁₅H₁₇BrFNO₃358.21
202746-13-22-(6-Methyl-2-methylsulfanylpyrimidin-4-yl)sulfanylethanolC₈H₁₂N₂OS₂216.33
2027476-42-04-[(2,5-Dioxopyrrol-1-yl)methyl]-N-prop-2-ynylcyclohexane-1-carboxamideC₁₅H₁₈N₂O₃274.32
2027496-47-32-Amino-2-(2-chlorophenyl)ethan-1-ol hydrochlorideC₈H₁₁Cl₂NO208.09
2027496-49-56-Azaspiro(3.4)octan-2-ol hydrochlorideC₇H₁₄ClNO163.65
2027496-50-8Methyl 2-((5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)oxy)acetateC₁₄H₂₀BNO₅293.13

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