CAS number index

CAS numbers starting with 221, page 3

775 chemicals have a CAS number that starts with 221. They are listed in CAS order.

Showing 201 to 300 of 775 chemicals

CAS numberChemical nameFormulaMol. weight

221276-16-03-Chloro-1-methyl-1H-pyrazole-5-carbaldehydeC₅H₅ClN₂O144.56
22128-62-7Chloromethyl chloroformateC₂H₂Cl₂O₂128.94
22128-99-02-Methoxy-1H-1,3-benzodiazoleC₈H₈N₂O148.16
221286-83-5(5Z)-3-Benzyl-5-(4-fluorobenzylidene)-2-thioxo-1,3-thiazolidin-4-oneC₁₇H₁₂FNOS₂329.42
221289-20-9Lethedoside AC₂₄H₂₆O₁₁490.46
221289-88-92-Oxo-2,3-dihydro-1H-benzimidazole-5-carbonitrileC₈H₅N₃O159.15
221289-97-02-Chloro-1-(4-phenylmethanesulfonylpiperazin-1-yl)ethan-1-oneC₁₃H₁₇ClN₂O₃S316.81
221290-03-52-Oxo-1,2,3,4-tetrahydroquinoxaline-6-carbonitrileC₉H₇N₃O173.18
221290-14-83-(tert-Butylaminosulphonyl)benzeneboronic acidC₁₀H₁₆BNO₄S257.12
221292-08-64-(3-(2-Nitro-1-imidazolyl)-propylamino)-7-chloroquinoline hydrochlorideC₁₅H₁₅Cl₂N₅O₂368.22
221295-04-12-Bromo-5-cyanopyrazineC₅H₂BrN₃184.00
221295-05-25-(Dimethylamino)-2-pyrazinecarbonitrileC₇H₈N₄148.17
221295-08-55-(Dimethylamino)pyrazine-2-carbaldehydeC₇H₉N₃O151.17
221297-82-13-Bromo-4-chloropyridin-2-amineC₅H₄BrClN₂207.46
221298-00-6(3-Methylpiperidin-3-yl)methanolC₇H₁₅NO129.20
2213-08-3Ethyl 3-(methylamino)propanoateC₆H₁₃NO₂131.18
2213-17-44'-HydroxyechinenoneC₄₀H₅₄O₂566.87
2213-23-22,4-DimethylheptaneC₉H₂₀128.26
2213-32-32,4-Dimethylpent-1-eneC₇H₁₄98.19
2213-43-61-AminopiperidineC₅H₁₂N₂100.17
2213-51-62,5-Bis(aminomethyl)furanC₆H₁₀N₂O126.16
2213-63-02,3-DichloroquinoxalineC₈H₄Cl₂N₂199.04
2213-66-35-tert-Butyl-3-methylpyrocatecholC₁₁H₁₆O₂180.25
2213-67-43-tert-Butyl-6-methylpyrocatecholC₁₁H₁₆O₂180.25
2213-68-55-Methyl-3-(1,1,3,3-tetramethylbutyl)pyrocatecholC₁₅H₂₄O₂236.35
2213-81-24-tert-Butyl-2,6-dinitrochlorobenzeneC₁₀H₁₁ClN₂O₄258.66
22130-02-53-Nitro-9-isopropyl-9H-carbazoleC₁₅H₁₄N₂O₂254.29
221300-34-1Ethyl 4-fluoro-1H-pyrazole-3-carboxylateC₆H₇FN₂O₂158.13
221302-75-64-(2',6'-Dimethylphenoxy)phthalonitrileC₁₆H₁₂N₂O248.28
22131-35-7ButalamineC₁₈H₂₈N₄O316.45
22131-51-73-Methyl-5-aminoisothiazolo-4-carboxylic acidC₅H₆N₂O₂S158.18
22131-79-9AlclofenacC₁₁H₁₁ClO₃226.66
22131-92-6Thietan-3-oneC₃H₄OS88.13
22131-99-34B-(4-Chlorophenyl)-4B,5-dihydro-11H-isoindolo(2,1-A)benzimidazoleC₂₀H₁₅ClN₂318.81
221311-16-66-Bromo-2-methyl-3,4-dihydro-2H-1,4-benzoxazin-3-oneC₉H₈BrNO₂242.07
221311-44-02-Methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carbaldehydeC₁₀H₉NO₃191.19
221313-10-6Methyl 6-(trifluoromethyl)nicotinateC₈H₆F₃NO₂205.13
221313-11-73-Pyridinecarboximidamide, 6-(trifluoromethyl)-, hydrochloride (1:1)C₇H₇ClF₃N₃225.60
221316-61-6Methyl 4H,5H,6H,7H-thieno[3,2-c]pyridine-2-carboxylateC₉H₁₁NO₂S197.26
22132-71-4Diammonium phosphiteH₈N₂O₃P+115.05
22132-97-41-(S-Methanesulfonimidoyl)-4-methylbenzeneC₈H₁₁NOS169.25
221323-55-35-Formyl-1-methyl-1H-pyrazole-3-carboxylic acidC₆H₆N₂O₃154.13
221323-58-63-Formyl-1-methyl-1H-pyrazole-5-carboxylic acidC₆H₆N₂O₃154.13
221323-59-76-(Bromomethyl)-3-pyridinecarboxylic acidC₇H₆BrNO₂216.03
22133-00-2(3-Chlorophenyl)(imino)methyl-lambda6-sulfanoneC₇H₈ClNOS189.67
22133-01-3S-Methyl-S-(4-nitrophenyl)sulfoximineC₇H₈N₂O₃S200.22
22133-20-6Methyl 3-chloro-4-methylcarbanilateC₉H₁₀ClNO₂199.64
22133-95-51,2,4,5-Tetrachloro-3-isothiocyanatobenzeneC₇HCl₄NS272.97
22133-98-82, 6-Dichloro-4-nitrophenyl isothiocyanateC₇H₂Cl₂N₂O₂S249.08
221332-70-32-((4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl)methyl)-1,2,3,9-tetrahydro-4H-carbazol-4-oneC₂₅H₂₄FN₃O₂417.48
221335-86-0(Z)-4-Chloro-N-(thiophen-2-ylmethylene)aniline oxideC₁₁H₈ClNOS237.71
22134-07-22,4,6-Trichlorophenyl isothiocyanateC₇H₂Cl₃NS238.53
22134-11-82,4,6-Tribromophenyl isothiocyanateC₇H₂Br₃NS371.88
22134-75-4Benzenesulfonamide, 4-amino-3,5-dichloro-C₆H₆Cl₂N₂O₂S241.10
221342-48-9Spiro[3.5]nonane-6,8-dioneC₉H₁₂O₂152.19
221342-49-0Spiro[3.5]non-7-en-6-oneC₉H₁₂O136.19
221343-71-15-Chloro-6-methyl-2H-benzotriazoleC₇H₆ClN₃167.60
221347-71-35-FluorobenzoxazoleC₇H₄FNO137.11
22135-49-51-Phenylbutan-1-olC₁₀H₁₄O150.22
22135-53-14-Bromo-alpha-propylbenzenemethanolC₁₀H₁₃BrO229.12
22135-79-1Naloxone-3-glucuronideC₂₅H₂₉NO₁₀503.50
221352-10-93,3-Dimethyl-1,3-dihydro-2,1-benzoxaborol-1-olC₉H₁₁BO₂162.00
221352-39-2(s)-1-(1-(tert-Butoxycarbonyl)piperidin-4-yl)pyrrolidine-2-carboxylic acidC₁₅H₂₆N₂O₄298.38
221352-46-12-((tert-Butoxy)carbonyl)-2,3-dihydro-1H-isoindole-1-carboxylic acidC₁₄H₁₇NO₄263.29
221352-49-4(2S,5R)-1-[(tert-Butoxy)carbonyl]-5-phenylpyrrolidine-2-carboxylic acidC₁₆H₂₁NO₄291.35
221352-74-5Boc-(2S,4S)-4-amino-1-Fmoc-pyrrolidine-2-carboxylic acidC₂₅H₂₈N₂O₆452.51
221352-82-52-(4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)piperidin-1-yl)acetic acidC₂₂H₂₄N₂O₄380.44
221352-86-94-(Fmoc-amino)piperidine hydrochlorideC₂₀H₂₃ClN₂O₂358.87
221352-88-1(9H-Fluoren-9-yl)methyl N-(2-(2-aminoethoxy)ethyl)carbamate hydrochlorideC₁₉H₂₃ClN₂O₃362.86
221354-37-6Triammonium 4-(4-(7-(4-carboxylatoanilino)-1-hydroxy-3-sulfonato-2-naphthylazo)-2,5-dimethoxyphenylazo)benzoateC₃₂H₃₄N₈O₁₀S722.74
221354-48-92-(3-Methoxy-phenyl)-1-morpholin-4-yl-ethanethioneC₁₃H₁₇NO₂S251.35
22136-33-0Thiourea, N-butyl-N'-2-pyridinyl-C₁₀H₁₅N₃S209.32
22136-74-9Podocarpusflavone AC₃₁H₂₀O₁₀552.49
22136-76-19-Aminomethyl-9,10-dihydroanthraceneC₁₅H₁₅N209.29
221368-54-32,8-Chrysenediol, 5,11-diethyl-5,6,11,12-tetrahydro-, (5R,11R)-C₂₂H₂₄O₂320.43
22137-52-62-Amino-3,5-dichloro-6-methylpyridineC₆H₆Cl₂N₂177.03
221373-18-8Olanzapine pamoateC₄₀H₃₈N₄O₇S718.83
22138-45-0(S)-3-Hydroxybutanoyl-CoAC₂₅H₄₂N₇O₁₈P₃S853.63
22138-53-0beta-Aspartyl phosphateC₄H₈NO₇P213.08
22138-73-43-(4-Fluorophenyl)-2-methylpropanoic acidC₁₀H₁₁FO₂182.19
221381-89-1Methyl 4-(2-oxopyrrolidin-1-yl)benzoateC₁₂H₁₃NO₃219.24
221389-37-31-Cyclohexyl-3-(4-phenyl-1,3-thiazol-2-yl)ureaC₁₆H₁₉N₃OS301.42
22139-72-61H-Indole-3-acetaldehyde, 5-methoxy-C₁₁H₁₁NO₂189.21
22139-77-1PinosylvinC₁₄H₁₂O₂212.25
2214-28-0alpha-[2-(Dimethylamino)-1-methylethyl]-alpha-phenylphenethyl alcohol hydrochlorideC₁₉H₂₆ClNO319.88
2214-53-12-Methylpyridine-4-carbonitrileC₇H₆N₂118.14
2214-67-73,4,5,6-Tetrahydro-2H-azepin-7-amineC₆H₁₂N₂112.18
2214-70-2N-Methyl-4,5-dihydro-1,3-oxazol-2-amineC₄H₈N₂O100.12
2214-72-41,3-Bis(2-chloroethyl)ureaC₅H₁₀Cl₂N₂O185.05
2214-79-14,4,4-Trifluoro-3-methylbutanenitrileC₅H₆F₃N137.10
2214-81-53,4,5,6-Tetrahydro-2H-azepineC₆H₁₁N97.16
2214020-57-02-Amino-4-cyclopropylpyrimidine-5-carbonitrileC₈H₈N₄160.18
22141-31-72'-Hydroxy-4'-methoxydihydrochalconeC₁₆H₁₆O₃256.30
2214214-03-4Benzamide, 5-(aminosulfonyl)-N-((1-ethyl-1-oxido-2-pyrrolidinyl)methyl)-2-methoxy-C₁₅H₂₃N₃O₅S357.43
22143-50-6N-MethyllolineC₉H₁₆N₂O168.24
22144-76-9Cytochalasin CC₃₀H₃₇NO₆507.63
22144-77-0Cytochalasin DC₃₀H₃₇NO₆507.63
221446-00-01,1,3-Trioxo-2,3-dihydro-1,2-benzothiazole-5-carboxylic acidC₈H₅NO₅S227.20
221446-01-1Methyl 1,1,3-trioxo-2,3-dihydro-1lambda6,2-benzothiazole-5-carboxylateC₉H₇NO₅S241.22
221449-82-74-Cyano-4'-ethynylbiphenylC₁₅H₉N203.24

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