CAS number index

CAS numbers starting with 661

181 chemicals have a CAS number that starts with 661. They are listed in CAS order.

Showing 1 to 100 of 181 chemicals

CAS numberChemical nameFormulaMol. weight

661-11-01-FluoroheptaneC₇H₁₅F118.19
661-19-8Behenyl alcoholC₂₂H₄₆O326.61
661-36-9Tetramethylammonium tetrafluoroborateC₄H₁₂BF₄N160.95
661-54-13,3,3-TrifluoropropyneC₃HF₃94.03
661-69-8HexamethylditinC₆H₁₈Sn₂327.63
661-71-21-Chloro-1,2,2-trifluorocyclobutaneC₄H₄ClF₃144.52
661-82-53-Chloro-2,2,3,3-tetrafluoropropanoic acidC₃HClF₄O₂180.48
661-95-01,2-Dibromo-1,1,2,3,3,3-hexafluoropropaneC₃Br₂F₆309.83
661-97-2Propane, 1,2-dichloro-1,1,2,3,3,3-hexafluoro-C₃Cl₂F₆220.93
6610-21-56-Methylcyclohex-2-en-1-oneC₇H₁₀O110.16
6610-25-95,8,11,14-Eicosatetraenoic acid, sodium salt, (all-Z)-C₂₀H₃₁NaO₂326.46
6610-29-3N-MethylhydrazinecarbothioamideC₂H₇N₃S105.17
6610-31-73-Amino-1-butylthioureaC₅H₁₃N₃S147.25
6610-33-94-(3,4-Xylyl)-3-thiosemicarbazideC₉H₁₃N₃S195.29
6610-35-1[2-(3,4-Dihydro-2H-quinolin-1-yl)-2-oxoethyl] 4-methylpiperazine-1-carbodithioateC₁₇H₂₃N₃OS₂349.52
6610-42-0Z-Gln-Gly-OHC₁₅H₁₉N₃O₆337.33
6610-55-5GlochidoneC₃₀H₄₆O422.70
66102-69-03-Amino-2-benzylpropan-1-olC₁₀H₁₅NO165.24
66104-22-1PergolideC₁₉H₂₆N₂S314.50
66104-23-2Pergolide mesylateC₂₀H₃₀N₂O₃S₂410.61
66104-67-42-(2-(2-(Dodecyloxy)ethoxy)ethoxy)ethyl hydrogen maleateC₂₂H₄₀O₇416.56
66106-97-62-(4-Ethynylphenyl)propan-2-olC₁₁H₁₂O160.22
66107-29-74-Methoxyphenyl trifluoromethanesulfonateC₈H₇F₃O₄S256.20
66107-34-4o-Tolyl trifluoromethanesulfonateC₈H₇F₃O₃S240.20
66107-36-62-Chlorophenyl trifluoromethanesulfonateC₇H₄ClF₃O₃S260.62
66108-30-32'-Hydroxy-5'-methyl-3'-nitroacetophenoneC₉H₉NO₄195.17
66108-42-75-(9-Anthracenylmethylene)barbituric acidC₁₉H₁₂N₂O₃316.32
66108-85-81-Methyl-5-nitro-2,3-dihydro-1H-1,3-benzodiazol-2-oneC₈H₇N₃O₃193.16
66108-95-0IohexolC₁₉H₂₆I₃N₃O₉821.14
66109-88-44-Phenyloxane-4-carbaldehydeC₁₂H₁₄O₂190.24
6611-78-54-Dichloromethyl-4-methyl-2,5-cyclohexadien-1-oneC₈H₈Cl₂O191.06
66110-27-83-Methyl-2,6-diphenyl-4-piperidinone oximeC₁₈H₂₀N₂O280.37
66112-59-2TemurtideC₂₀H₃₄N₄O₁₂522.51
66113-73-3beta-Estradiol-6-one 6-(o-carboxymethyloxime)C₂₀H₂₅NO₅359.42
66116-13-0tert-Butyl 2-((2-methoxyethyl)amino)acetateC₉H₁₉NO₃189.25
66116-20-9tert-Butyl 3-((2-methoxyethyl)amino)propanoateC₁₀H₂₁NO₃203.28
66116-82-31-(4-Chloro-2-(methylthio)pyrimidin-5-yl)ethanoneC₇H₇ClN₂OS202.67
66117-64-4Bis(4-methylphenyl)borinic acidC₁₄H₁₅BO210.09
6612-51-73-Bromo-N-pentan-3-ylbenzamideC₁₂H₁₆BrNO270.17
66120-28-31-Benzylpiperidine-2-carboxylic acid hydrochlorideC₁₃H₁₈ClNO₂255.75
66121-66-21-Methyl-1H-imidazole-5-carbonitrileC₅H₅N₃107.12
66121-69-51-Methyl-1H-imidazole-4-carbonitrileC₅H₅N₃107.12
66121-71-91-Methyl-1H-pyrazole-4-carbonitrileC₅H₅N₃107.12
66121-72-01-Methyl-1H-pyrazole-5-carbonitrileC₅H₅N₃107.12
66121-82-24-[(4-Phenyl-2-thiazolyl)amino]-benzenesulfonamideC₁₅H₁₃N₃O₂S₂331.42
66122-73-47-Aminoisochroman-1-oneC₉H₉NO₂163.18
66122-95-05,6-Dichloro-2-methylpyridine-3-carbonitrileC₇H₄Cl₂N₂187.03
66123-37-34-(Oxolan-3-yl)phenolC₁₀H₁₂O₂164.20
66126-16-71,2-Bis(bromomethyl)-3-nitrobenzeneC₈H₇Br₂NO₂308.96
66127-00-23,5,6,8-Tetrabromo-1,10-phenanthrolineC₁₂H₄Br₄N₂495.79
6613-41-8Ethyl 2-oxo-3-phenylpropanoateC₁₁H₁₂O₃192.21
6613-44-13,5-Dimethylbenzoyl chlorideC₉H₉ClO168.62
6613-60-11-(4-Chlorophenyl)-2-[(4-hydroxy-5,7-dimethylpyrido[2,3-d]pyrimidin-2-yl)sulfanyl]ethanoneC₁₇H₁₄ClN₃O₂S359.84
6613-64-51-(3-Sulfonatopropyl)-2-vinylpyridiniumC₁₀H₁₃NO₃S227.28
6613-65-64-((2-(Methacryloyloxy)ethyl)dimethylammonio)butane-1-sulfonateC₁₂H₂₃NO₅S293.38
6613-83-8N-(2-(4-(Aminosulfonyl)phenyl)ethyl)-2-(2-thienyl)acetamideC₁₄H₁₆N₂O₃S₂324.43
66130-41-41-Methyl-1H-indene-2-carboxylic acidC₁₁H₁₀O₂174.20
66130-90-3Trimethylsilyl (diethoxyphosphinoyl)acetateC₉H₂₁O₅PSi268.32
66130-92-5Ethyl 4-chloro-4-oxobut-2-enoateC₆H₇ClO₃162.57
66131-68-82-Chloro-N-methylpyrimidin-4-amineC₅H₆ClN₃143.58
66131-69-94-N-Methylpyrimidine-4,6-diamineC₅H₈N₄124.15
66131-70-2N-Ethylpyrimidin-2-amineC₆H₉N₃123.16
66131-71-34-Methoxy-N-methyl-2-pyrimidinamineC₆H₉N₃O139.16
66131-77-96-Phenylpyridin-3-olC₁₁H₉NO171.20
66134-57-43-Acetyl-1-ethyl-4-hydroxy-2(1H)-quinolinoneC₁₃H₁₃NO₃231.25
66134-67-6N-Succinimidyl 4-fluorobenzoateC₁₁H₈FNO₄237.19
66134-74-5Hippuryl N-hydroxysuccinimide esterC₁₃H₁₂N₂O₅276.25
66137-74-41,1,2,2-Tetrafluoro-2-(1,1,2,2-tetrafluoro-2-iodoethoxy)ethanesulphonyl fluorideC₄F₉IO₃S425.99
66138-32-7Schisandrin derivativeC₂₂H₂₄O₆384.43
66138-58-7Technetium Tc 99m (Sn)methylenediphosphonateCH₆O₆P₂SnTc₂+₁₀492.52
66142-15-2Benzoxazolium, 2-methyl-5-phenyl-3-(3-sulfopropyl)-, inner saltC₁₇H₁₇NO₄S331.39
66142-81-24-Bromo-2,5-dimethoxyphenethylamineC₁₀H₁₄BrNO₂260.13
66142-99-2Trihydrogen (29H,31H-phthalocyaninetrisulphonato(5-)-N29,N30,N31,N32)cuprate(3-), compound with N,N'-di(o-tolyl)guanidine (1:3)C₇₇H₆₇CuN₁₇O₉S₃1534.24
66145-39-91-(4-Methoxyphenoxy)propan-2-amineC₁₀H₁₅NO₂181.24
661458-34-01-((tert-Butoxy)carbonyl)-4,4-difluoropiperidine-2-carboxylic acidC₁₁H₁₇F₂NO₄265.26
661459-01-45-Methylpiperidine-2-carboxylic acid hydrochlorideC₇H₁₄ClNO₂179.65
661459-05-81-((tert-Butoxy)carbonyl)-3-methylpiperidine-2-carboxylic acidC₁₂H₂₁NO₄243.30
661459-11-61-[(tert-Butoxy)carbonyl]-5-methylpiperidine-2-carboxylic acidC₁₂H₂₁NO₄243.30
66146-84-73,6,9,12,15,18,21-Heptaoxanonatriacontan-1-olC₃₂H₆₆O₈578.87
661463-17-84-Bromo-6-fluoroquinolineC₉H₅BrFN226.05
661463-79-26-(2,3-Dichlorophenyl)-1,2,4-triazine-3,5(2H,4H)-dioneC₉H₅Cl₂N₃O₂258.06
661464-94-4Levalbuterol tartrateC₃₀H₄₈N₂O₁₂628.72
661465-44-7Potassium 4-chlorophenyltrifluoroborateC₆H₄BClF₃K218.46
661465-45-8Potassium benzo[b]thiophene-2-yltrifluoroborateC₈H₅BF₃KS240.10
66147-19-15-(3-Methylphenyl)-1,3,4-oxadiazole-2-thiolC₉H₈N₂OS192.24
66147-29-3Methotrexate 1-methyl esterC₂₁H₂₄N₈O₅468.47
661470-52-6(S)-2-(Phenoxymethyl)morpholine hydrochlorideC₁₁H₁₆ClNO₂229.71
661470-55-9(2S)-2-Phenylcyclopropan-1-amineC₉H₁₁N133.19
661470-56-0(1R,4R)-2-Oxa-5-azabicyclo[2.2.1]heptaneC₅H₉NO99.13
661470-61-73-(4-Methyl-4H-1,2,4-triazol-3-yl)piperidineC₈H₁₄N₄166.23
661477-63-0N-[(4-Chlorophenyl)methyl]-5-nitropyridin-2-amineC₁₂H₁₀ClN₃O₂263.68
661478-10-0N-[(2,6-Dichlorophenyl)methyl]acetamideC₉H₉Cl₂NO218.08
66148-15-02,4,5,6-Tetradeuteriopyridine-3-carboxylic acidC₆H₅NO₂127.14
66148-18-33-(Pyrrolidin-2-yl)(~2~H_4_)pyridineC₉H₁₂N₂152.23
66148-19-4(±)-5-(1-Nitroso-2-pyrrolidinyl)pyridine-2,3,4,6-d4C₉H₁₁N₃O181.23
66148-25-2Hiyodorilactone BC₂₂H₂₈O₇404.46
66148-63-85-Carbamoyl-1H-imidazol-4-yl-piperonylateC₁₂H₉N₃O₅275.22
66148-78-5TemocillinC₁₆H₁₈N₂O₇S₂414.46
661487-17-8tert-Butyl 3-iodo-1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridine-5-carboxylateC₁₁H₁₆IN₃O₂349.17
661489-23-2(E)-3-(4-Amino-3,5-dimethylphenyl)acrylonitrile HydrochlorideC₁₁H₁₃ClN₂208.69

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