CAS number index

CAS numbers starting with 21, page 44

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

Showing 4,301 to 4,400 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

2151915-22-7Methanesulfonato[2,2'-bis(diphenylphosphino)-1,1'-binaphthyl](2'-amino-1,1'-biphenyl-2-yl)palladium(II)C₅₇H₄₆NO₃P₂PdS-993.43
2152-34-3PemolineC₉H₈N₂O₂176.18
2152-44-5Betamethasone valerateC₂₇H₃₇FO₆476.58
2152-64-9Spirit blueC₃₇H₃₀ClN₃552.12
2152-70-71,5-Bis(5-nitro-2-furanyl)-1,4-pentadien-3-oneC₁₃H₈N₂O₇304.21
2152-75-2alpha-D-Glucosamine 1-phosphateC₆H₁₄NO₈P259.15
21521-51-71-Iodo-2,4,6-tribromobenzeneC₆H₂Br₃I440.70
21521-54-04-Bromo-1,2-diiodobenzeneC₆H₃BrI₂408.80
21521-90-42-Chloro-N-(5-ethyl-1,3,4-thiadiazol-2-yl)acetamideC₆H₈ClN₃OS205.67
21523-62-6Ethyl 2,3-dimethyl-1H-indole-5-carboxylateC₁₃H₁₅NO₂217.27
215231-33-71-Methyl-3-(2-methylpropyl)cyclohexanolC₁₁H₂₂O170.30
215239-69-35-Bromo-2,7-dimethyl-1H-1,3-benzodiazoleC₉H₉BrN₂225.09
21524-25-44-Chloro-2-phenylazo-phenolC₁₂H₉ClN₂O232.67
21524-34-51-Bromo-2,4,6-triisopropylbenzeneC₁₅H₂₃Br283.25
21524-36-72,4,6-Tri(propan-2-yl)anilineC₁₅H₂₅N219.37
21524-39-02,3-DifluorobenzonitrileC₇H₃F₂N139.10
2152410-58-5rac-tert-Butyl (3R,4R)-3-(bromomethyl)-4-methylpyrrolidine-1-carboxylateC₁₁H₂₀BrNO₂278.19
215247-95-3C.I. Pigment Violet 23C₃₄H₂₂Cl₂N₄O₂589.48
21525-18-82,4-Dichloro-5-[(4-fluorophenyl)sulfamoyl]benzoic acidC₁₃H₈Cl₂FNO₄S364.18
215252-94-113-Ethyl-6Beta,17Beta-dihydroxy-11-methylene-18,19-dinor-17alpha-pregn-4-en-20-yn-3-oneC₂₂H₂₈O₃340.46
215254-90-3tert-Butyl N-(2-formamidoethyl)carbamateC₈H₁₆N₂O₃188.23
215254-91-4tert-Butyl N-(2-isocyanoethyl)carbamateC₈H₁₄N₂O₂170.21
215254-92-51,1-Dimethylethyl N-(3-isocyanopropyl)carbamateC₉H₁₆N₂O₂184.24
2152548-00-82-{[(tert-Butoxy)carbonyl](3-methoxy-3-oxopropyl)amino}acetic acidC₁₁H₁₉NO₆261.27
215257-15-13,5,7,3',4'-PentahydroxyflavanoneC₁₅H₁₂O₇304.25
2152628-33-4SelpercatinibC₂₉H₃₁N₇O₃525.61
2152637-00-6(1,2,3,4-Tetrahydroisoquinolin-6-yl)methanol hydrochlorideC₁₀H₁₄ClNO199.68
2152645-00-42-(4,4-Difluorocyclohexyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolaneC₁₂H₂₁BF₂O₂246.11
2152645-04-84,4,5,5-Tetramethyl-2-(2,2,3,3-tetramethylcyclopropyl)-1,3,2-dioxaborolaneC₁₃H₂₅BO₂224.15
2152645-06-04-(Methoxycarbonyl)cubane-1-boronic acid pinacol esterC₁₆H₂₁BO₄288.15
2152645-07-12-(Bicyclo(1.1.1)pentan-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolaneC₁₁H₁₉BO₂194.08
2152654-65-22-Methoxycarbonyl-3,4-dihydro-2H-benzopyran-6-boronic acid pinacol esterC₁₇H₂₃BO₅318.18
2152661-10-24-Formyl-3-hydroxy-2-methylbenzoic acid, ethyl esterC₁₁H₁₂O₄208.21
2152673-80-62,6-Bis(benzyloxy)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridineC₂₅H₂₈BNO₄417.31
2152674-09-2N-(8-Aminooctyl)-2-[(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]acetamideC₂₇H₃₅ClN₆OS527.14
2152677-40-0Pyridine, 3-(chloromethyl)-2-(1-(1-methylethyl)-1H-pyrazol-5-yl)-, hydrochloride (1:2)C₁₂H₁₅Cl₂N₃272.18
21527-78-65,6-Dichloro-2-(3-(5,6-dichloro-1,3-diethyl-1,3-dihydro-2H-benzimidazol-2-ylidene)-1-propen-1-yl)-1,3-diethyl-1H-benzimidazoliumC₂₅H₂₇Cl₄N₄+525.33
21528-59-65-(3-Heptadecyl-5-oxo-4-((E)-(4-sulfophenyl)diazenyl)-4,5-dihydro-1H-pyrazol-1-yl)-2-phenoxybenzenesulfonic acidC₃₈H₅₀N₄O₈S₂754.97
21529-86-2Dibenzyl(methyl)sulfonium tetrafluoroborateC₁₅H₁₇BF₄S316.17
215294-98-75-[(E)-2-[4-[(E)-2-(3-Carboxy-4-hydroxyphenyl)ethenyl]phenyl]ethenyl]-2-hydroxybenzoic acidC₂₄H₁₈O₆402.40
215298-72-95-Ethyl-4-nitro-1H-pyrazole-3-carboxylic acidC₆H₇N₃O₄185.14
215298-74-14-Amino-5-ethyl-1H-pyrazole-3-carboxamideC₆H₁₀N₄O154.17
2153-09-52,2-Dichloro-N-(4-methoxy-phenyl)-acetamideC₉H₉Cl₂NO₂234.08
2153-11-92-Chloro-N-(4-hydroxyphenyl)-acetamideC₈H₈ClNO₂185.61
2153-13-14-((2-Amino-4-pyrimidinyl)amino)benzenesulfonamideC₁₀H₁₁N₅O₂S265.30
2153-26-6Terpinyl formateC₁₁H₁₈O₂182.26
2153-28-8alpha-Terpinyl butyrateC₁₄H₂₄O₂224.34
2153-98-2Norpseudoephedrine, hydrochlorideC₉H₁₄ClNO187.67
215300-95-13-(4-Methyl-pyridin-2-ylamino)-3H-isobenzofuran-1-oneC₁₄H₁₂N₂O₂240.26
2153015-30-4rac-(1R,2R)-N,2-dimethylcyclopropan-1-amineC₅H₁₁N85.15
215303-72-34-(4-(4-Fluorophenyl)-1-(3-phenylpropyl)-5-(4-pyridinyl)-1H-imidazol-2-yl)-3-butyn-1-olC₂₇H₂₄FN₃O425.51
215305-98-9tert-Butyl N-[2-(piperidin-3-yl)ethyl]carbamateC₁₂H₂₄N₂O₂228.34
215306-39-1Rwj-68354C₁₉H₁₅FN₄O334.35
215307-86-1Bms753C₂₁H₂₁NO₄351.40
215309-00-53-(Morpholin-4-yl)benzoic acidC₁₁H₁₃NO₃207.23
215309-01-63-(4-Methylpiperazin-1-yl)benzoic acidC₁₂H₁₆N₂O₂220.27
21531-43-1(1R)-3-Oxocyclohexane-1-carboxylic acidC₇H₁₀O₃142.15
21531-45-3(1S,3R)-3-Hydroxycyclohexanecarboxylic acidC₇H₁₂O₃144.17
21531-46-4(1S)-3-Oxocyclohexane-1-carboxylic acidC₇H₁₀O₃142.15
21531-47-5Methyl (1R)-3-oxocyclohexane-1-carboxylateC₈H₁₂O₃156.18
21531-91-91,3-HexanediolC₆H₁₄O₂118.18
21531-96-44-Amino-1,2,4-triazolidine-3,5-dioneC₂H₄N₄O₂116.08
215312-86-0Sulfo-EMCSC₁₄H₁₅N₂NaO₉S410.34
2153184-49-51-(5-Bromopyridin-3-yl)-3-methylimidazolidin-2-oneC₉H₁₀BrN₃O256.10
21532-07-05-Methyl-4H-1,2,4-triazole-3,4-diamineC₃H₇N₅113.12
215320-60-85-Chloro-2-(dimethylamino)-1-phenyl-1H-imidazole-4-carbaldehydeC₁₂H₁₂ClN₃O249.70
215320-64-25-Chloro-2-(dimethylamino)-1-(4-methylphenyl)-1H-imidazole-4-carbaldehydeC₁₃H₁₄ClN₃O263.73
215322-01-3Eicosanedioic acid, ester with 1,2,3-propanetriol docosanoateC₇₀H₁₃₄O₁₀1135.83
2153239-12-2rac-1-[(2R,3R)-2-(1H-1,2,4-Triazol-5-yl)oxolan-3-yl]methanamineC₇H₁₂N₄O168.20
2153243-02-65-(Difluoromethyl)-4-ethynyl-1-methyl-1H-pyrazoleC₇H₆F₂N₂156.13
21533-63-1Methyl 2-hydrazinylbenzoate hydrochlorideC₈H₁₁ClN₂O₂202.64
21533-90-42',7-Dihydroxy-4',5'-dimethoxyisoflavoneC₁₇H₁₄O₆314.29
2153325-59-64-Bromo-5-chloro-1H-indole-2-carboxylic acidC₉H₅BrClNO₂274.50
2153433-46-42,3,5,6-Tetrakis(3,6-di-tert-butylcarbazol-9-yl)-1,4-dicyanobenzeneC₈₈H₉₆N₆1237.78
2153472-96-75-Chloro-3-methylpyridazine hydrochlorideC₅H₆Cl₂N₂165.02
21535-43-32-Chlor-oN-(diphenylmethyl)acetamideC₁₅H₁₄ClNO259.74
21535-44-46-(Chloromethyl)-11H-dibenz(b,e)azepineC₁₅H₁₂ClN241.72
21535-47-7Mianserin hydrochlorideC₁₈H₂₁ClN₂300.83
21535-56-82,3,4,4a,5,6-Hexahydro-1H-pyrazino(1,2-a)quinolineC₁₂H₁₆N₂188.27
21535-97-73-MethylbenzofuranC₉H₈O132.16
2153504-15-3Cyclohexanemethylamine hydroiodideC₇H₁₆IN241.12
2153585-16-92-Chloro-4-fluoro-6-methylpyrimidineC₅H₄ClFN₂146.55
215364-85-53-Bromo-2-chloropyridin-4-amineC₅H₄BrClN₂207.46
215368-41-5N-(3-Cyano-5,5,7,7-tetramethyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-2-yl)acetamideC₁₄H₁₉N₃OS277.39
2153799-57-44-Methylfuran-2-sulfonyl chlorideC₅H₅ClO₃S180.61
21539-47-93-(Ethylamino)propionitrileC₅H₁₀N₂98.15
21539-53-73-(tert-BUTYLAMINO)PROPIONITRILEC₇H₁₄N₂126.20
2153916-31-3Rel-2-((1R,2R)-[1,1'-bi(cyclopropan)]-2-yl)ethan-1-amineC₈H₁₅N125.22
2153953-56-92-Amino-3-(5-methylpyrimidin-2-yl)propan-1-olC₈H₁₃N₃O167.21
2154-02-1MetofolineC₂₀H₂₄ClNO₂345.87
2154-24-74-(2-Hydrazinylethyl)morpholineC₆H₁₅N₃O145.21
2154-33-81-Hydroxy-3-methoxycarbonyl-2,2,5,5-tetramethylpyrrolidineC₁₀H₁₉NO₃201.27
2154-38-31-Methyl-5-phenyl-1H-imidazoleC₁₀H₁₀N₂158.20
2154-66-7Diazobenzenesulfonic acidC₆H₅N₂O₃S+185.18
2154-67-83-Carboxy-2,2,5,5-tetramethylpyrroline-1-oxylC₉H₁₄NO₃184.22
2154-68-93-Carboxy-2,2,5,5-tetramethyl-1-pyrrolidinyloxyC₉H₁₆NO₃186.23
2154-70-33-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyl-N-oxylC₉H₁₅N₂O167.23
21540-35-2MethiuronC₁₀H₁₄N₂S194.30
2154029-10-22-(3,3-Difluorocyclopentyl)-2-hydroxyacetic acidC₇H₁₀F₂O₃180.15
21541-12-84-Methyl-5-phenyl-1H-imidazol-2-amine hydrochlorideC₁₀H₁₂ClN₃209.68

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