CAS number index

CAS numbers starting with 999

84 chemicals have a CAS number that starts with 999. They are listed in CAS order.

Showing 1 to 84 of 84 chemicals

CAS numberChemical nameFormulaMol. weight

999-10-0Ethyl 4-hydroxybutanoateC₆H₁₂O₃132.16
999-21-3Diallyl maleateC₁₀H₁₂O₄196.20
999-29-1Glycine, N-(diazoacetyl)-, ethyl esterC₆H₉N₃O₃171.16
999-40-6Neryl butyrateC₁₄H₂₄O₂224.34
999-55-3Allyl acrylateC₆H₈O₂112.13
999-61-12-Hydroxypropyl acrylateC₆H₁₀O₃130.14
999-72-43,3'-Dithiobis[N-methylpropanamide]C₈H₁₆N₂O₂S₂236.36
999-78-04,4-Dimethyl-2-pentyneC₇H₁₂96.17
999-81-5Chlormequat chlorideC₅H₁₃Cl₂N158.07
999-82-6(2-Bromoethyl)phosphonic AcidC₂H₆BrO₃P188.94
999-90-6t-Butyl thiolacetateC₆H₁₂OS132.23
999-97-3HexamethyldisilazaneC₆H₁₉NSi₂161.40
99901-15-215-Hydroperoxy-5,8,11,14,17-eicosapentaenoic acidC₂₀H₃₀O₄334.46
99902-03-12-(3-Thienyl)benzaldehydeC₁₁H₈OS188.25
99902-07-52-(Thiophen-2-yl)benzaldehydeC₁₁H₈OS188.25
99902-70-26-(4-Chlorophenoxy)nicotinonitrileC₁₂H₇ClN₂O230.65
99902-72-43-Pyridinecarbonitrile, 6-phenoxy-C₁₂H₈N₂O196.21
99902-80-4Benzonitrile, 2-(2-methoxyphenoxy)-5-nitro-C₁₄H₁₀N₂O₄270.24
99903-03-42-Chloro-4-methanesulfonylpyridineC₆H₆ClNO₂S191.64
99907-85-4O-(2-Chlorophenyl)hydroxylamineC₆H₆ClNO143.57
99907-90-1O-(3,5-Dichlorophenyl)hydroxylamineC₆H₅Cl₂NO178.02
99907-98-9O-[3-(Trifluoromethyl)phenyl]hydroxylamineC₇H₆F₃NO177.13
99909-22-5Carbobenzyloxyprolylvaline benzyl esterC₂₅H₃₀N₂O₅438.52
99910-55-1Octanoyl-beta-D-glucuronideC₁₄H₂₄O₈320.34
99911-94-1Phenyl N-(phenoxycarbonyl)carbamateC₁₄H₁₁NO₄257.25
99914-46-2Butyl[2-(2,4,6-trichlorophenoxy)ethyl]amineC₁₂H₁₆Cl₃NO296.63
99918-43-1N-Phenylpiperidin-4-amine dihydrochlorideC₁₁H₁₈Cl₂N₂249.19
99924-18-25-Phenyl-1,3-oxazole-4-carboxylic acidC₁₀H₇NO₃189.17
99931-82-51-(5-Bromopyrimidin-2-yl)piperazineC₈H₁₁BrN₄243.11
99931-95-02-(4-Chlorophenyl)-1-(4-morpholinyl)ethanoneC₁₂H₁₄ClNO₂239.70
99934-26-66-Bromo-3-methyl-1,2-dihydropyridin-2-oneC₆H₆BrNO188.02
99936-93-33-Methyl-4-nitrocatecholC₇H₇NO₄169.14
99940-64-41-(Benzyloxy)-5-oxopyrrolidine-3-carboxylic acidC₁₂H₁₃NO₄235.24
99940-65-51-Hydroxy-5-oxo-3-pyrrolidinecarboxylic acidC₅H₇NO₄145.11
99941-35-26-Amino-4-(furan-2-yl)-3-methyl-1-phenyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrileC₁₈H₁₄N₄O₂318.34
99943-42-7Methyl 3-chloro-2-(chlorosulfonyl)benzoateC₈H₆Cl₂O₄S269.11
99944-02-22-(1-Benzylpiperidin-4-yl)acetic acid hydrochlorideC₁₄H₂₀ClNO₂269.77
99944-06-6N-[(4-Methoxyphenyl)methyl]-3-nitropyridin-2-amineC₁₃H₁₃N₃O₃259.26
99944-78-2Technetium Tc-99m exametazimeC₁₃H₂₅N₄O₃Tc384.27
99945-07-01-(4-Amino-benzenesulfonyl)-pyrrolidine-2-carboxylic acidC₁₁H₁₄N₂O₄S270.31
99945-41-2(+)-CandicusineC₃₆H₃₈N₂O₆594.71
99945-82-11-Palmityl-2-acetylglycerolC₂₁H₄₂O₄358.56
99946-24-49-O-Methanoprostaglandin IC₂₁H₃₄O₄350.50
99950-95-57-Chloro-2-methoxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidineC₇H₇ClN₄O198.61
99951-00-52-(7-Hydroxy-5-methyl-(1,2,4)triazolo(1,5-a)pyrimidin-2-yl)acetic acidC₈H₈N₄O₃208.18
99951-44-7Methyl 7-chloro-5-(propan-2-yl)-(1,2,4)triazolo(1,5-a)pyrimidine-2-carboxylateC₁₀H₁₁ClN₄O₂254.68
99951-95-86-Chloro-2-(methylsulfanyl)pyrimidine-4-carboxylic acidC₆H₅ClN₂O₂S204.64
99952-72-42-(((tert-Butoxy)carbonyl)amino)-3-(2-hydroxy-4,6-dimethylphenyl)propanoic acidC₁₆H₂₃NO₅309.36
99953-00-1(S)-2-tert-Butoxycarbonylamino-3-(4-hydroxy-2,6-dimethyl-phenyl)-propionic acidC₁₆H₂₃NO₅309.36
99953-33-0Methyl 3-bromo-2,2-difluoropropanoateC₄H₅BrF₂O₂202.98
99960-09-5Ethyl 2-isothiocyanatobenzoateC₁₀H₉NO₂S207.25
99964-79-1Picrasidine MC₂₉H₂₂N₄O₄490.52
99967-78-9Methyl 4-amino-2-(morpholin-4-yl)-1,3-thiazole-5-carboxylateC₉H₁₃N₃O₃S243.29
99967-86-92-(Pyrrolidin-1-yl)-6H,7H-[1,3]thiazolo[4,5-d]pyrimidin-7-oneC₉H₁₀N₄OS222.27
99967-87-02-(Piperidin-1-yl)-6H,7H-(1,3)thiazolo(4,5-d)pyrimidin-7-oneC₁₀H₁₂N₄OS236.30
99967-88-12-(Morpholin-4-yl)-6H,7H-[1,3]thiazolo[4,5-d]pyrimidin-7-oneC₉H₁₀N₄O₂S238.27
99968-74-85-Methylfuran-2-carboxamideC₆H₇NO₂125.13
99969-17-22-Amino-4-iodophenolC₆H₆INO235.02
99969-26-33-Amino-4-methoxy-N-methylbenzenesulfonamideC₈H₁₂N₂O₃S216.26
99969-78-5tert-Butyl 2-methyl-2-nitropropionateC₈H₁₅NO₄189.21
99970-84-02,2'-Bipyridine-4,4'-dicarboxaldehydeC₁₂H₈N₂O₂212.21
99971-84-34,6-Dichloro-1-phenyl-1H-pyrazolo[3,4-d]pyrimidineC₁₁H₆Cl₂N₄265.10
99972-91-5N-(Ethoxycarbonyloxy)phthalimideC₁₁H₉NO₅235.19
99977-02-36-Hexyl-1,3-diazinane-2,4-dioneC₁₀H₁₈N₂O₂198.27
99979-59-6Imidazole acetol-phosphateC₆H₉N₂O₅P220.12
99979-76-74-(Chloromethyl)-3-methyl-1,2-oxazoleC₅H₆ClNO131.56
99979-77-82-Chloro-5-methoxypyrimidin-4-amineC₅H₆ClN₃O159.58
99980-40-22-(Pyridin-3-yl)propan-2-amineC₈H₁₂N₂136.20
99981-48-3N-(tert-Butyl)benzohydrazideC₁₁H₁₆N₂O192.26
99983-92-34-Amino-2-(benzylthio)-6-chloropyrimidineC₁₁H₁₀ClN₃S251.74
99984-35-75-(Benzyloxy)pyrimidineC₁₁H₁₀N₂O186.21
99984-58-4Pyrimidine, 4-(4-methylphenyl)-C₁₁H₁₀N₂170.22
99984-70-01-(4-Methoxyphenyl)-1H-pyrazole-4-carbaldehydeC₁₁H₁₀N₂O₂202.21
99985-15-65-(2,6-Dimethylpyran-4-ylidene)pyrimidine-2,4,6-trioneC₁₁H₁₀N₂O₄234.21
99985-64-5Isopropyl N-methylanthranilateC₁₁H₁₅NO₂193.25
99985-72-53-Amino-4-butylbenzoic acidC₁₁H₁₅NO₂193.25
99985-73-64-(tert-Butylamino)benzoic acidC₁₁H₁₅NO₂193.25
99986-71-74-(Piperidine-1-sulfonyl)phenolC₁₁H₁₅NO₃S241.31
99986-92-26-(Pyrrolidinomethyl)-kojic acid hydrochlorideC₁₁H₁₆ClNO₄261.70
99987-06-14-[Methyl(propan-2-yl)sulfamoyl]benzoic acidC₁₁H₁₅NO₄S257.31
99988-17-74-Amino-2-cyclohexylamino-5-pyrimidinecarbonitrileC₁₁H₁₅N₅217.28
99991-93-26-Amino-5-(butylamino)-1-propylpyrimidine-2,4(1H,3H)-dioneC₁₁H₂₀N₄O₂240.31
99992-19-54a(2H)-Naphthalenemethanol, octahydro-C₁₁H₂₀O168.28
99998-10-43-(1-Ethoxycarbonylmethyl-1,3,4,9-4H-beta-carbolin-2-yl)-propionic acid ET esterC₂₀H₂₆N₂O₄358.44

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