CAS number index

CAS numbers starting with 21, page 18

8,045 chemicals have a CAS number that starts with 21. They are listed in CAS order.

Showing 1,701 to 1,800 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

212622-32-74-Chloro-5-(methylamino)-2,3-dihydropyridazin-3-oneC₅H₆ClN₃O159.58
212622-33-84-Bromo-5-(methylamino)-2,3-dihydropyridazin-3-oneC₅H₆BrN₃O204.03
212625-79-1Pyrrolidine-2,2,3,3,4,4,5,5-d8C₄H₉N79.17
212626-88-52-(2-Bromophenyl)propanalC₉H₉BrO213.07
21263-59-23-Allyl-2-mercapto-3H-quinazolin-4-oneC₁₁H₁₀N₂OS218.28
212631-61-3PD 198306C₁₈H₁₆F₃IN₂O₂476.24
212631-67-9PD-184161C₁₇H₁₃BrClF₂IN₂O₂557.56
212631-79-3Ci-1040C₁₇H₁₄ClF₂IN₂O₂478.66
212631-85-15-Bromo-2,3,4-trifluorobenzoic acidC₇H₂BrF₃O₂254.99
21264-32-4Bis(acetonitrile)dichloroplatinumC₄H₆Cl₂N₂Pt348.09
21265-50-9Ammonium ferric edetateC₁₀H₁₆FeN₃O₈362.10
212650-43-64-(tert-Butoxycarbonyl)morpholine-3-carboxylic acidC₁₀H₁₇NO₅231.25
212650-46-92-{1-[(tert-Butoxy)carbonyl]azepan-2-yl}acetic acidC₁₃H₂₃NO₄257.33
212650-49-22-(4-((tert-Butoxy)carbonyl)thiomorpholin-3-yl)acetic acidC₁₁H₁₉NO₄S261.34
212652-59-0Trisodium 3-amino-4-(4-(4-(2-(2-ethenylsulfonylethoxy)ethylamino)-6-fluoro-1,3,5-triazine-2-ylamino)-2-sulfophenylazo)-5-hydroxynaphthalene-2,7-disulfonateC₂₅H₂₂FN₈Na₃O₁₃S₄858.73
21266-67-14-[2-(7H-Purin-6-ylamino)ethyl]benzenesulfonamideC₁₃H₁₄N₆O₂S318.36
21267-72-1PrynachlorC₁₂H₁₂ClNO221.69
2126737-28-64-[(3R)-3-Methylmorpholin-4-yl]-6-[(2R)-2-(trifluoromethyl)piperidin-1-yl]-1,2-dihydropyridin-2-oneC₁₆H₂₂F₃N₃O₂345.37
2126737-29-74-[(3R)-3-Methylmorpholin-4-yl]-6-[(2S)-2-(trifluoromethyl)piperidin-1-yl]-1,2-dihydropyridin-2-oneC₁₆H₂₂F₃N₃O₂345.37
2126744-35-0SW-100C₁₇H₁₇ClN₂O₂316.79
2126784-39-01-(4-Fluorophenyl)-4-[(2S)-2-phenoxypropoxy]-2(1H)-pyridinoneC₂₀H₁₈FNO₃339.37
2126821-80-3Potassium ((2-chlorophenyl)methyl)trifluoroboranuideC₇H₆BClF₃K232.48
2126845-45-0Potassium trifluoro(1-phenylcyclopropyl)boranuideC₉H₉BF₃K224.07
2126874-77-7Cyp4A11/cyp4F2-IN-2C₁₆H₂₀N₄O₂300.36
2126878-37-12-[(3S)-Piperidin-3-yl]ethan-1-ol hydrochlorideC₇H₁₆ClNO165.66
2126878-55-3{2-Azaspiro[3.3]heptan-6-yl}methanol hydrochlorideC₇H₁₄ClNO163.65
212688-54-5(3R)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-5-methylhexanoic acidC₂₂H₂₅NO₄367.44
2126899-84-9(2E)-4-Aminobut-2-enoic acid hydrochlorideC₄H₈ClNO₂137.57
21269-13-621-Hydroxy-2'-methyl-16beta-5'H-pregn-4-eno(17,16-d)oxazole-3,20-dione 21-acetateC₂₅H₃₃NO₅427.54
21269-34-18-Methoxyquinolin-4-olC₁₀H₉NO₂175.19
21269-61-4Sbb038309C₁₆H₁₈N₂O254.33
21269-78-3(1-Ethyl-1H-benzimidazol-2-yl)methanolC₁₀H₁₂N₂O176.22
212691-92-42-Chloro-1,4,5-trimethyl-1H-imidazoleC₆H₉ClN₂144.60
212695-44-86-(Trifluoromethoxy)-1,2,3,4-tetrahydroquinolineC₁₀H₁₀F₃NO217.19
212696-37-2tert-Butyl 4-(trifluoromethoxy)phenylcarbamateC₁₂H₁₄F₃NO₃277.24
2127-01-7ClorexoloneC₁₄H₁₇ClN₂O₃S328.82
2127-03-92,2'-Dipyridyl disulfideC₁₀H₈N₂S₂220.32
2127-05-14-PyridoethanethiolC₇H₉NS139.22
2127-09-55-Nitropyridine-2-thiolC₅H₄N₂O₂S156.17
2127-10-82,2'-Dithiobis(5-nitropyridine)C₁₀H₆N₄O₄S₂310.32
2127-14-24-Hydroxyiminomethyl-1-methylpyridinium iodideC₇H₉IN₂O264.07
212701-97-8XanthiazoneC₁₁H₁₃NO₃S239.30
2127012-32-06-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-6-azaspiro[3.4]octane-8-carboxylic acidC₂₃H₂₃NO₄377.44
2127012-69-32-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-1H,2H,3H,4H,5H-pyrido[4,3-b]indole-6-carboxylic acidC₂₇H₂₂N₂O₄438.48
2127037-35-6cvxIAAC₁₇H₁₅NO₃281.31
2127055-54-14-(3-Methyl-1,2,4-oxadiazol-5-yl)oxan-4-amine hydrochlorideC₈H₁₄ClN₃O₂219.67
2127056-20-41-Methyl-3-(1-methyl-1H-pyrazol-4-yl)piperidine-4-carboxylic acid dihydrochlorideC₁₁H₁₉Cl₂N₃O₂296.20
2127056-86-2rac-(3R,4S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-4-(4-fluorophenyl)pyrrolidine-3-carboxylic acidC₂₆H₂₂FNO₄431.46
2127056-95-3rac-(3R,4S)-4-(4-Chlorophenyl)-1-{[(9H-fluoren-9-yl)methoxy]carbonyl}pyrrolidine-3-carboxylic acidC₂₆H₂₂ClNO₄447.92
212707-51-2N-[2-(5-Hydroxy-1H-indol-3-yl)ethyl]hexadecanamideC₂₆H₄₂N₂O₂414.63
212707-61-4Cinnamoyl tryptamineC₁₉H₁₈N₂O290.37
2127075-93-63-{4-[(tert-Butoxy)carbonyl]piperazin-2-yl}benzoic acidC₁₆H₂₂N₂O₄306.36
2127078-78-61-(1-Methyl-1H-pyrazol-4-yl)-7-oxa-2-azaspiro[3.5]nonane dihydrochlorideC₁₁H₁₉Cl₂N₃O280.20
2127078-88-84-[(4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperazin-1-yl)sulfonyl]benzoic acidC₂₆H₂₄N₂O₆S492.55
212710-51-57-Thia-1,3-diazaspiro[4.4]nonane-2,4-dioneC₆H₈N₂O₂S172.21
2127107-15-5LsmotinibC₁₉H₁₉FN₄O₂S386.45
2127109-84-43-(Cyanomethyl)-3-(4-(6-(1-methylpyrazol-4-yl)pyrazolo(1,5-a)pyrazin-4-yl)pyrazol-1-yl)cyclobutane-1-carbonitrileC₂₀H₁₇N₉383.42
2127110-36-33-Bromo-1-(oxan-2-yl)-1H-pyrazole-5-carboxylic acidC₉H₁₁BrN₂O₃275.10
212713-08-1Bis(3,5-di-tert-butyl-4-methoxyphenyl)phosphinous chlorideC₃₀H₄₆ClO₂P505.12
2127175-24-8Methyl 2-amino-3-methylpentanoate hydrochlorideC₇H₁₆ClNO₂181.66
21272-28-64-[(Dimethylamino)methylene]-5-phenyl-2,4-dihydro-3H-pyrazol-3-oneC₁₂H₁₃N₃O215.26
21272-78-6Alpha-nitrobenzyl phenyl sulfoneC₁₃H₁₁NO₄S277.30
21272-85-5((Nitromethyl)sulphonyl)benzeneC₇H₇NO₄S201.20
2127240-79-11-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-(methoxymethyl)piperidine-3-carboxylic acidC₂₃H₂₅NO₅395.45
21273-38-12-Phenoxy(1,1-~2~H_2_)ethan-1-olC₈H₁₀O₂140.18
2127390-55-8(2S,3R)-3-Amino-2-hydroxy-4-phenylbutanamide hydrochlorideC₁₀H₁₅ClN₂O₂230.69
212755-76-5Methyl 4-(trifluoromethyl)benzoylacetateC₁₁H₉F₃O₃246.18
212755-77-6Methyl 3-oxo-3-(2-(trifluoromethyl)phenyl)propanoateC₁₁H₉F₃O₃246.18
212755-80-16-(1,3-Dioxopropan-2-yl)picolinic acidC₉H₇NO₄193.16
212755-81-22-(3-Hydroxycarbonyl-6-pyridyl)malondialdehydeC₉H₇NO₄193.16
212755-83-42-(2-Pyridyl)malondialdehydeC₈H₇NO₂149.15
212755-85-6(4S)-2,5,5-Trimethyl-1,3-thiazolidine-4-carboxylic acidC₇H₁₃NO₂S175.25
21277-16-72-Oxo-4-imidazolinecarboxylic acidC₄H₆N₂O₃130.10
21277-97-42-Benzyl-isothiazol-3-oneC₁₀H₉NOS191.25
212775-06-9Ethyl 2-(4-allyl-2-methoxyphenoxy)acetateC₁₄H₁₈O₄250.29
212778-82-0ElpetrigineC₁₀H₇Cl₃N₄289.55
212779-21-02-Amino-3-bromo-6-chloropyrazineC₄H₃BrClN₃208.45
212779-48-12-({6-[(3-Chlorophenyl)amino]-9-isopropyl-9H-purin-2-yl}amino)ethanolC₁₆H₁₉ClN₆O346.82
21278-70-6N-[4-(Chloromethyl)-1,3-thiazol-2-yl]-N-(4-chlorophenyl)acetamideC₁₂H₁₀Cl₂N₂OS301.20
21278-72-8N-(4-Chlorophenyl)-N-(4-formyl-1,3-thiazol-2-yl)acetamideC₁₂H₉ClN₂O₂S280.74
21278-77-32-(4-Chlorophenyl)-1,3-thiazole-4-carbaldehydeC₁₀H₆ClNOS223.68
21278-86-42-(Pyridin-4-yl)-1,3-thiazole-4-carboxylic acidC₉H₆N₂O₂S206.23
2127881-32-51,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl oxolane-3-carboxylateC₁₃H₁₁NO₅261.23
21279-07-24,4'-Vinylenebis(1-methylpyridinium tetrafluoroborate)C₁₄H₁₆B₂F₈N₂385.90
21279-57-21-Pyrimidin-2-yl-1,4-diazepaneC₉H₁₄N₄178.24
21279-58-31-(Pyrimidin-2-yl)-1,4-diazepane dihydrochlorideC₉H₁₆Cl₂N₄251.16
21279-64-15-ChloropyrazinamideC₅H₄ClN₃O157.56
21279-77-61-(2-Methoxyphenyl)-4-(3-chloropropyl)piperazine dihydrochlorideC₁₄H₂₃Cl₃N₂O341.71
212790-31-3CP 481715C₂₆H₃₁FN₄O₄482.56
212791-94-15-Hydroxy-2-(propan-2-yl)benzoic acidC₁₀H₁₂O₃180.20
212792-93-33-Phenyl-2-(pyridin-3-yl)propanoic acidC₁₄H₁₃NO₂227.26
2128-60-1PronuciferineC₁₉H₂₁NO₃311.38
2128-61-2SparsiflorineC₁₇H₁₇NO₃283.33
2128-78-13-Pyridinemethanol, alpha-phenyl-alpha-(3-(1-pyrrolidinyl)-1-propynyl)-C₁₉H₂₀N₂O292.38
2128-93-04-BenzoylbiphenylC₁₉H₁₄O258.32
21280-29-5LactoscatoneC₁₄H₂₂O₂222.33
21281-74-32-MethylsulfinylethanolC₃H₈O₂S108.16
21282-08-6L-Pyroglutamyl-L-alanineC₈H₁₂N₂O₄200.19
21282-10-05-Oxo-L-prolyl-L-valineC₁₀H₁₆N₂O₄228.25
21282-11-1PyroglutamylleucineC₁₁H₁₈N₂O₄242.28

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