CAS number index

CAS numbers starting with 251, page 2

390 chemicals have a CAS number that starts with 251. They are listed in CAS order.

Showing 101 to 200 of 390 chemicals

CAS numberChemical nameFormulaMol. weight

2512198-63-7N-Ethyl-5-(difenylfosfinyl)pentanamidC₁₉H₂₄NO₂P329.38
25122-41-2ClobetasolC₂₂H₂₈ClFO₄410.91
25122-46-7Clobetasol propionateC₂₅H₃₂ClFO₅466.98
25122-57-0Clobetasone butyrateC₂₆H₃₂ClFO₅478.99
2512210-21-65-Amino-6-chloro-2-(propylsulfanyl)pyrimidin-4-olC₇H₁₀ClN₃OS219.70
2512217-25-1rac-Methyl (1R,2R)-2-aminocyclobutane-1-carboxylate hydrochlorideC₆H₁₂ClNO₂165.62
25125-04-62-Acetyl-4-nitro-1H-indene-1,3(2H)-dioneC₁₁H₇NO₅233.18
25125-21-7Cyclopent-3-en-1-ylmethanolC₆H₁₀O98.14
25125-92-2Lysine hydroxamateC₆H₁₅N₃O₂161.21
25126-32-3SincalideC₄₉H₆₂N₁₀O₁₆S₃1143.29
25126-76-5Androstane-3,17-diolC₁₉H₃₂O₂292.46
25127-29-1CrebanineC₂₀H₂₁NO₄339.39
25127-31-5Cidoxepin hydrochlorideC₁₉H₂₂ClNO315.84
25128-32-92,3-Dioxo-2,3-dihydro-1H-indole-5-carboxylic acidC₉H₅NO₄191.14
25128-35-22,3-Dioxoindoline-7-carboxylic acidC₉H₅NO₄191.14
25129-20-8N,N'-Dibenzoyl-L-cystineC₂₀H₂₀N₂O₆S₂448.52
25129-61-7(2Z)-2-Chlorobut-2-enalC₄H₅ClO104.54
25129-91-3(3E,5R,6E,8S,9E,13S,14R)-5-Hydroxy-8-methoxy-5,9,13,14-tetramethyloxacyclotetradeca-3,6,9-trien-2-oneC₁₈H₂₈O₄308.42
2513-02-25,5-Dimethyloxolane-3-carboxylic acidC₇H₁₂O₃144.17
2513-25-92,2-Dimethyl-2H-1-benzopyranC₁₁H₁₂O160.22
2513-33-92-(2',4'-Dihydroxybenzoyl)benzoic acidC₁₄H₁₀O₅258.23
2513-64-61,3-DiphenylimidazolidineC₁₅H₁₆N₂224.31
2513-66-82-Ethyl-1,3-diphenylimidazolidineC₁₇H₂₀N₂252.36
2513-76-011beta,13-dihydro-parthenolideC₁₅H₂₂O₃250.34
251300-28-45-Bromo-3-fluoro-2-hydroxybenzaldehydeC₇H₄BrFO₂219.01
251300-29-55-Bromo-3-fluoro-2-hydroxybenzoic acidC₇H₄BrFO₃235.01
251300-30-85-Bromo-2-hydroxy-3-(trifluoromethyl)benzaldehydeC₈H₄BrF₃O₂269.02
251300-32-02-Hydroxy-3-(trifluoromethyl)benzoic acidC₈H₅F₃O₃206.12
251303-04-5ErtiprotafibC₃₁H₂₇BrO₃S559.52
251307-03-6Ethyl 4-[(4-chloroanilino)methylene]-2-methyl-5-oxo-4,5-dihydro-1H-pyrrole-3-carboxylateC₁₅H₁₅ClN₂O₃306.75
251307-05-8Ethyl 2-methyl-5-oxo-4-{[4-(trifluoromethyl)anilino]methylene}-4,5-dihydro-1H-pyrrole-3-carboxylateC₁₆H₁₅F₃N₂O₃340.30
251307-07-01-Methyl-3-phenyl-6-(trifluoromethyl)-1H-pyrazolo[4,3-b]pyridineC₁₄H₁₀F₃N₃277.25
251307-15-03-Phenyl-6-(trifluoromethyl)-1H-pyrazolo[4,3-b]pyridineC₁₃H₈F₃N₃263.22
251307-27-43-[(4-Chlorobenzyl)oxy]-2-methyl-4H-pyran-4-oneC₁₃H₁₁ClO₃250.68
251307-29-64-(3,4-Dichlorophenyl)-5-(methylsulfonyl)-2-phenylpyrimidineC₁₇H₁₂Cl₂N₂O₂S379.27
251307-30-91-(2-Chlorophenyl)-3-(dimethylamino)-2-(methylsulfonyl)-2-propen-1-oneC₁₂H₁₄ClNO₃S287.77
251307-33-24-(2-Chlorophenyl)-5-(methylsulfonyl)-2-phenylpyrimidineC₁₇H₁₃ClN₂O₂S344.82
251307-47-82-(Benzylsulfinyl)-1,1-diphenyl-1-ethanolC₂₁H₂₀O₂S336.46
25131-60-62-Isoquinolinium-2-yl-1-phenylethan-1-one bromideC₁₇H₁₄BrNO328.21
251310-43-74-Hydroxy-1-(2-thienylsulfonyl)-2-pyrrolidinecarboxylic acidC₉H₁₁NO₅S₂277.32
251310-45-91-(2-Furylcarbonyl)-4-hydroxy-2-pyrrolidinecarboxylic acidC₁₀H₁₁NO₅225.20
251310-46-0Methyl 4-hydroxy-1-(2-thienylsulfonyl)-2-pyrrolidinecarboxylateC₁₀H₁₃NO₅S₂291.35
251310-49-3Methyl 1-(2-furylcarbonyl)-4-hydroxy-2-pyrrolidinecarboxylateC₁₁H₁₃NO₅239.23
251310-62-01-(4-Bromophenyl)-3-[hydroxy(methyl)amino]-2-propen-1-oneC₁₀H₁₀BrNO₂256.10
251310-74-43-[4-(4-Fluorobenzoyl)-1-methyl-1H-pyrrol-2-yl]-2-[(methoxyimino)methyl]acrylonitrileC₁₇H₁₄FN₃O₂311.32
251310-75-53-(4-Benzoyl-1-methyl-1H-pyrrol-2-yl)-2-[(methoxyimino)methyl]acrylonitrileC₁₇H₁₅N₃O₂293.33
251320-86-22-(Dicyclohexylphosphino)-2'-methylbiphenylC₂₅H₃₃P364.51
251321-75-2rac-(1R,4R,6S)-6-Phenyl-2-azabicyclo[2.2.1]heptaneC₁₂H₁₅N173.26
251325-89-0tert-Butyl N-((2S)-1-aminobutan-2-yl)carbamateC₉H₂₀N₂O₂188.27
251327-33-08-OH-PbziC₁₅H₂₁NO231.34
25134-21-8Methyl nadic anhydrideC₁₀H₁₀O₃178.19
251356-32-83-[5-[(Z)-(5-Bromo-2-oxo-1H-indol-3-ylidene)methyl]-2,4-dimethyl-1H-pyrrol-3-yl]propanoic acidC₁₈H₁₇BrN₂O₃389.25
251356-45-33-[2,4-Dimethyl-5-[(Z)-(2-oxo-6-phenyl-1H-indol-3-ylidene)methyl]-1H-pyrrol-3-yl]propanoic acidC₂₄H₂₂N₂O₃386.45
25136-55-4Dimethyl-1,4-dioxaneC₆H₁₂O₂116.16
251366-32-22-Bromo-2-(4-fluorophenyl)acetamideC₈H₇BrFNO232.05
25137-00-2(-)-Nipecotic acidC₆H₁₁NO₂129.16
25137-01-3Ethyl (3R)-piperidine-3-carboxylateC₈H₁₅NO₂157.21
25137-58-0Perchloric acid--3-imino-3H-phenothiazin-7-amine (1/1)C₁₂H₁₀ClN₃O₄S327.75
25137-84-2Uridine, 2'-deoxy-5-ethyl-, 3',5'-bis(4-chlorobenzoate)C₂₅H₂₂Cl₂N₂O₇533.36
25138-13-0Propyl N-(3,5-dichlorophenyl)carbamateC₁₀H₁₁Cl₂NO₂248.11
2514-18-34-Chloro-5-methoxy-2-phenyl-3(2H)-pyridazinoneC₁₁H₉ClN₂O₂236.66
2514-30-92-(4-Methylphenyl)-2,3-dihydro-1,2-benzothiazol-3-oneC₁₄H₁₁NOS241.31
2514-31-02-(m-Tolyl)-1,2-benzothiazol-3-oneC₁₄H₁₁NOS241.31
2514-33-22-(4-Methoxyphenyl)-1,2-benzothiazol-3-oneC₁₄H₁₁NO₂S257.31
2514-36-51,2-Benzisothiazol-3(2H)-one, 2-(phenylmethyl)-C₁₄H₁₁NOS241.31
2514-37-62-Phenethyl-1,2-benzisothiazol-3(2H)-oneC₁₅H₁₃NOS255.34
2514-52-52,3,4,4,5,5-Hexachloro-2-cyclopenten-1-oneC₅Cl₆O288.77
2514-53-6TCA-ethadylC₆H₄Cl₆O₄352.81
2514-89-8Debrisoquine sulfateC₁₀H₁₅N₃O₄S273.31
25140-78-72-(3,4-Dimethylphenoxy)butanoic acidC₁₂H₁₆O₃208.26
25140-86-7Propanoic acid, 2-(2-chlorophenoxy)-C₉H₉ClO₃200.62
25140-90-32,6-Dichlorophenoxy-alpha-propionic acidC₉H₈Cl₂O₃235.07
25140-93-62-(3-(Propan-2-yl)phenoxy)propanoic acidC₁₂H₁₆O₃208.26
25140-95-82-(3-Methylphenoxy)propanoic acidC₁₀H₁₂O₃180.20
25141-00-82-(3,4-Dimethylphenoxy)propanoic acidC₁₁H₁₄O₃194.23
25141-02-02-(4-Propylphenoxy)propanoic acidC₁₂H₁₆O₃208.26
25141-05-31-Ethyl-2-(heptadecyl)-4,5-dihydro-1-(2-hydroxyethyl)-1H-imidazolium ethyl sulphateC₂₆H₅₄N₂O₅S506.79
25141-22-42-(2-tert-Butyl-4-methylphenoxy)acetic acidC₁₃H₁₈O₃222.28
25141-23-52-(4-tert-Butyl-2-methylphenoxy)acetic acidC₁₃H₁₈O₃222.28
25141-45-12-(2-Benzylphenoxy)acetic acidC₁₅H₁₄O₃242.27
25141-50-82-(4-Ethyl-2-methoxyphenoxy)acetic acidC₁₁H₁₄O₄210.23
25141-58-62-[2-(Propan-2-yl)phenoxy]acetic acidC₁₁H₁₄O₃194.23
25143-13-97-Ethyloctahydro-2-methyl-6H-pyrazino(1,2-c)pyrimidin-6-oneC₁₀H₁₉N₃O197.28
25144-18-7(R,R)-Stilbene oxideC₁₄H₁₂O196.25
251442-94-1EnflicoxibC₁₆H₁₂F₅N₃O₂S405.35
251446-40-93-Amino-N-(3-fluorophenyl)benzamideC₁₃H₁₁FN₂O230.24
251451-30-6Zolmitriptan N-oxideC₁₆H₂₁N₃O₃303.36
251456-58-34-(Dimethylamino)-N-[5-(hydroxyamino)-5-oxopentyl]benzamideC₁₄H₂₁N₃O₃279.34
251456-60-74-(Dimethylamino)-N-(7-(hydroxyamino)-7-oxoheptyl)benzamideC₁₆H₂₅N₃O₃307.39
2514650-76-91-[(1R)-2,2-Difluorocyclopropyl]methanamine hydrochlorideC₄H₈ClF₂N143.56
2514660-83-2(S)-4-(Trifluoromethyl)-2,3-dihydro-1H-inden-1-amine hydrochlorideC₁₀H₁₁ClF₃N237.65
2514676-44-71,2,3,4-Tetrahydro-4,8-dihydroxy-2-methyl-isoquinoline HydrochlorideC₁₀H₁₄ClNO₂215.68
251468-78-71-(4-Fluorobenzyl)pyrimidine-2,4,6(1H,3H,5H)-trioneC₁₁H₉FN₂O₃236.20
251468-80-11-[2-(4-Fluorophenyl)ethyl]-1,3-diazinane-2,4,6-trioneC₁₂H₁₁FN₂O₃250.23
251468-82-31-(4-Ethylphenyl)-2,4,6(1H,3H,5H)-pyrimidinetrioneC₁₂H₁₂N₂O₃232.24
251468-84-51-(4-Bromophenyl)-1,3-diazinane-2,4,6-trioneC₁₀H₇BrN₂O₃283.08
251468-93-6[2-(Cyclohex-1-en-1-yl)ethyl]ureaC₉H₁₆N₂O168.24
2514685-36-84-((3,5-Dimethylphenoxy)methyl)imidazolidin-2-oneC₁₂H₁₆N₂O₂220.27
2514696-13-8(R)-5-(2-((6-(2-((2,6-Dichlorobenzyl)oxy)ethoxy)hexyl)amino)-1-hydroxyethyl)-2-hydroxybenzaldehydeC₂₄H₃₁Cl₂NO₅484.42
2514721-25-43-[(Dimethylamino)methyl]octan-2-oneC₁₁H₂₃NO185.31

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