CAS number index

CAS numbers starting with 666

252 chemicals have a CAS number that starts with 666. They are listed in CAS order.

Showing 1 to 100 of 252 chemicals

CAS numberChemical nameFormulaMol. weight

666-14-8HydroxyacetateC₂H₃O₃-75.04
666-15-9Methyl methanesulfinateC₂H₆O₂S94.14
666-32-01-Bromo-2,3,3,3-tetrafluoropropeneC₃HBrF₄192.94
666-52-4Acetone-D6C₃H₆O64.12
666-84-2AbietinolC₂₀H₃₂O288.48
666-99-9Agaric acidC₂₂H₄₀O₇416.56
6660-59-92,4-Dichloro-5-methylbenzoic acidC₈H₆Cl₂O₂205.04
66600-05-32-Chloro-5-phenylpyridineC₁₁H₈ClN189.65
66600-13-3Bifonazole impurity DC₄₁H₃₃ClN₂589.18
66603-10-9Diazene, 1-cyclohexyl-2-hydroxy-, 1-oxide, potassium salt (1:1)C₆H₁₂KN₂O₂+183.27
66604-31-7DodecyldimethylchlorosilaneC₁₄H₃₁ClSi262.94
66605-57-0tert-Butyl N-[(2S)-1-hydroxy-3-phenylpropan-2-yl]carbamateC₁₄H₂₁NO₃251.33
66607-27-03-Iodo-1H-indazoleC₇H₅IN₂244.03
66607-39-42-(2-(1,3-Dioxoisoindolin-2-yl)acetamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamideC₁₉H₁₇N₃O₄S383.43
66608-11-56-Chloropyridine-3-carbonyl chloride--hydrogen chloride (1/1)C₆H₄Cl₃NO212.46
66609-04-92-Ethyl-6-methylphenyl isothiocyanateC₁₀H₁₁NS177.27
66611-15-21-(1-Benzofuran-3-yl)ethan-1-oneC₁₀H₈O₂160.17
66611-26-55-Methoxy 3-(1,2,3,6-tetrahydro-4-pyridinyl)1H indoleC₁₄H₁₆N₂O228.29
66611-37-8Bgp-15C₁₄H₂₄Cl₂N₄O₂351.28
66611-38-93-Pyridinecarboximidamide, N-(2-hydroxy-3-(1-piperidinyl)propoxy)-C₁₄H₂₂N₄O₂278.36
66611-51-62-(1-Naphthyl)acetamidoximeC₁₂H₁₂N₂O200.24
66611-72-1N-(4-Methyl-2-oxochromen-7-yl)acetamideC₁₂H₁₁NO₃217.22
66611-86-7N-(3-Hydroxy-4-propionylphenyl)acetamideC₁₁H₁₃NO₃207.23
66612-28-06-(4-Aminobutylamino)-2,3-dihydrophthalazine-1,4-dioneC₁₂H₁₆N₄O₂248.29
66612-29-16-(N-(4-Aminobutyl)-N-ethyl)amino-2,3-dihydrophthalazine-1,4-dioneC₁₄H₂₀N₄O₂276.34
66612-32-66-[6-Aminohexyl(ethyl)amino]-2,3-dihydrophthalazine-1,4-dioneC₁₆H₂₄N₄O₂304.39
66616-72-65-Phenyl-1H-indoleC₁₄H₁₁N193.25
666177-00-01H-Indazole-1-carbonyl chlorideC₈H₅ClN₂O180.59
6662-17-52-(1H-Pyrrol-3-yl)ethan-1-amine hydrochlorideC₆H₁₁ClN₂146.62
6662-53-9N-(3,4-Dichloro-phenyl)-2-hydroxyimino-acetamideC₈H₆Cl₂N₂O₂233.05
6662-72-22,2',6,6'-Tetramethyl-4,4'-bipyridineC₁₄H₁₆N₂212.30
66620-83-54-Hydroxy-6-methyl-2-oxo-1,2-dihydropyridine-3-carbaldehydeC₇H₇NO₃153.14
666203-86-71-[(2S)-Tetrahydro-2-furanyl]ethanoneC₆H₁₀O₂114.14
666208-46-45-Methylsulfonyl-3-nitro-1-(3-phenylpropyl)-1,2,4-triazoleC₁₂H₁₄N₄O₄S310.33
666208-57-7N-[5-(2-Methoxyethyl)-1,3,4-thiadiazol-2-yl]adamantane-1-carboxamideC₁₆H₂₃N₃O₂S321.45
66621-35-02-Amino-6-hydroxybenzenesulfonic acidC₆H₇NO₄S189.19
66621-73-62-Pyrimidineacetic acidC₆H₆N₂O₂138.13
66621-75-8Methyl 4-methyl-2-pyrimidineacetateC₈H₁₀N₂O₂166.18
666210-49-7N-Cyclohexyl-2-{5-[(1,3,7-trimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)sulfanyl]-1H-1,2,4-triazol-1-yl}acetamideC₁₈H₂₄N₈O₃S432.51
666211-25-23-Iodo-N-[4-(isobutyrylamino)phenyl]benzamideC₁₇H₁₇IN₂O₂408.24
666211-32-1N-[4-(Isobutyrylamino)phenyl]-1-benzofuran-2-carboxamideC₁₉H₁₈N₂O₃322.36
666213-01-04-Bromo-N-(4-methylpyrimidin-2-yl)benzamideC₁₂H₁₀BrN₃O292.14
666213-25-82-Isopropyl-5-methylphenyl methanesulfonateC₁₁H₁₆O₃S228.31
666213-29-21-Naphthyl cyclopropanecarboxylateC₁₄H₁₂O₂212.25
66622-47-72-(3-(2-Methylpropyl)phenyl)propanoic acidC₁₃H₁₈O₂206.28
666234-13-53-(Methoxymethoxy)pyridine-4-carbaldehydeC₈H₉NO₃167.16
666234-78-2N,N-dimethyl-2,3-bis((9Z)-9-octadecen-1-yloxy)-, (2R)-1-PropanamineC₄₁H₈₁NO₂620.10
666234-81-73-(Dimethylamino)-1,2-propanediol, (R)-C₅H₁₃NO₂119.16
666236-28-8Ochratoxin A-d5C₂₀H₁₈ClNO₆408.85
66624-11-14-(4-Hydroxyphenyl)benzene-1,3-diolC₁₂H₁₀O₃202.21
66625-19-2Methyl 4-hydroxy-2,6-dimethoxybenzoateC₁₀H₁₂O₅212.20
66625-32-9(2Z)-2-[(4-Bromophenyl)imino]-1,3-thiazolidin-4-oneC₉H₇BrN₂OS271.14
66625-33-0(2Z)-2-[(4-Chlorophenyl)imino]-1,3-thiazolidin-4-oneC₉H₇ClN₂OS226.69
666260-75-9GW 842166XC₁₈H₁₇Cl₂F₃N₄O₂449.26
666261-01-44-(Aminomethyl)oxan-4-ol hydrochlorideC₆H₁₄ClNO₂167.64
666262-50-6(Cyclopentylmethyl)(methyl)amine hydrochlorideC₇H₁₆ClN149.66
6663-26-97,7-Dichloro-2,3,4,5-tetramethyl-bicyclo(4.2.0)octa-1(6),2,4-trieneC₁₂H₁₄Cl₂229.15
66630-70-42-Phenyl-1H-1,3-benzodiazole-6-carboxylic acidC₁₄H₁₀N₂O₂238.25
66630-72-62-Phenylbenzimidazole-4-carboxylic acidC₁₄H₁₀N₂O₂238.25
66631-29-64-(1H-Benzimidazol-2-yl)benzoic acidC₁₄H₁₀N₂O₂238.25
66634-44-4RauhimbineC₂₁H₂₇ClN₂O₃390.91
66634-97-72,4-Dimethyl-2-pentenoic acidC₇H₁₂O₂128.17
66635-69-62,3-Dihydro-1H-pyrrolizine-1,7-dicarboxylic acidC₉H₉NO₄195.17
66635-85-6AnirolacC₁₆H₁₅NO₄285.30
66635-92-5(-)-KetorolacC₁₅H₁₃NO₃255.27
66635-93-6(+)-KetorolacC₁₅H₁₃NO₃255.27
66639-01-82-(4-Carbamimidoylphenyl)-1H-indole-5-carboximidamideC₁₆H₁₅N₅277.33
66639-16-52-(4-Carbamimidoylphenyl)-1H-benzo[d]imidazole-6-carboximidamideC₁₅H₁₄N₆278.32
66639-23-42,2'-(1,2-Ethenediyl)bis(1H-benzimidazole-5-carboximidamide)C₁₈H₁₆N₈344.38
66639-24-51H-Benzimidazole-5-carboximidamide, 2,2'-(1,3-propanediyl)bis-C₁₉H₂₀N₈360.43
66639-43-8Benzenecarboximidamide, 4,4'-(1H-pyrrole-2,5-diyl)bis-C₁₈H₁₇N₅303.37
66639-67-61,2-Di(5-amidino-2-benzofuranyl)ethaneC₂₀H₁₈N₄O₂346.39
66639-75-61-Ethyl-1,3-diazinan-2-oneC₆H₁₂N₂O128.18
6664-98-81-Leucine-4-nitroanilideC₁₂H₁₇N₃O₃251.29
66640-63-9Benzene, 1,4-dichloro-2-(methylsulfonyl)-C₇H₆Cl₂O₂S225.10
66640-68-42,2',5,5'-Tetrachloro-4,4'-bis(methylsulfonyl)-1,1'-biphenylC₁₄H₁₀Cl₄O₄S₂448.18
66640-86-6Biotin hydrazideC₁₀H₁₈N₄O₂S258.35
66640-87-71H-Indole-3-ethan-alpha,alpha,beta,beta-d4-ol, 5-hydroxy-C₁₀H₁₁NO₂181.23
66640-93-5L-EflornithineC₆H₁₂F₂N₂O₂182.17
66640-97-93-O-PropanoylmorphineC₂₀H₂₃NO₄341.41
66641-03-03,6-DibutanoylmorphineC₂₅H₃₁NO₅425.52
66641-38-1Platyphylline hydrochlorideC₁₈H₂₈ClNO₅373.88
66642-35-1Pyroglutamine-4-nitroanilideC₁₁H₁₁N₃O₄249.23
66642-53-32-Bromo-N-pyridin-2-yl-acetamideC₇H₇BrN₂O215.05
66642-55-54-Amino-1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-1,3,5-triazin-2(1H)-oneC₈H₁₃N₄O₇P308.19
66642-87-3N-(Carboxymethyl)-D-alanineC₅H₉NO₄147.13
66643-75-25-(2-Aminoethyl)-2,3-dihydro-1H-pyrazol-3-one dihydrochlorideC₅H₁₁Cl₂N₃O200.07
66643-80-9Ethyl 4-(((tert-butoxy)carbonyl)amino)-3-oxopentanoateC₁₂H₂₁NO₅259.30
66643-81-03-Ethylpentan-1-amineC₇H₁₇N115.22
66644-79-92-Bromo-4-methylphenylthioureaC₈H₉BrN₂S245.15
66644-80-22,3-Dimethoxy-5-sulphamoylbenzoic acidC₉H₁₁NO₆S261.25
66644-81-3VeraliprideC₁₇H₂₅N₃O₅S383.47
66645-87-21-(Pyridazin-4-yl)propan-1-oneC₇H₈N₂O136.15
66646-11-5Thieno[3,2-d][1,3]thiazol-2-amineC₅H₄N₂S₂156.24
66646-88-6Methyl [(phenylmethylidene)amino]acetateC₁₀H₁₁NO₂177.20
66646-95-54-(2-Toluidino)-2H-chromen-2-oneC₁₆H₁₃NO₂251.28
66646-97-74-(4-Methoxyanilino)chromen-2-oneC₁₆H₁₃NO₃267.28
66647-41-4Z-Gly-Pro-Arg-MNAC₃₂H₃₉N₇O₆617.71
66648-38-22-[(2,6-Difluorophenyl)formamido]acetic acidC₉H₇F₂NO₃215.16
66648-44-0N-trans-FeruloyloctopamineC₁₈H₁₉NO₅329.35

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