CAS number index

CAS numbers starting with 51, page 33

3,648 chemicals have a CAS number that starts with 51. They are listed in CAS order.

Showing 3,201 to 3,300 of 3,648 chemicals

CAS numberChemical nameFormulaMol. weight

51871-62-6(S)-3-(Boc-amino)-4-phenylbutyric acidC₁₅H₂₁NO₄279.34
51871-79-54-Hydroxy-1,2,5-trimethylpiperidine-4-carbonitrileC₉H₁₆N₂O168.24
51872-53-83-Hydroxy-5-androstane-17-carbonitrileC₂₀H₃₁NO301.47
51873-98-42-Naphthaldehyde oximeC₁₁H₉NO171.20
51874-27-25-Bromopentan-1-amine hydrobromideC₅H₁₃Br₂N246.97
51874-62-54-t-PentylcyclohexeneC₁₁H₂₀152.28
51876-16-5Tetraoctylammonium hydrogen sulfateC₃₂H₆₉NO₄S563.97
51876-18-77,8-DihydroxyflavanoneC₁₅H₁₂O₄256.26
51876-19-8TakakinC₁₆H₁₂O₆300.27
51877-53-3Manganese lactateC₆H₁₀MnO₆233.08
51877-67-96-Nitro-2-[3-(6-nitro-1H-benzimidazol-2-yl)propyl]-1H-benzimidazoleC₁₇H₁₄N₆O₄366.34
5188-07-8Sodium methanethiolateCH₃NaS70.09
5188-25-02,3-Bis[[(9E,12E)-octadeca-9,12-dienoyl]oxy]propyl (9E,12E)-octadeca-9,12-dienoateC₅₇H₉₈O₆879.40
5188-65-82-[[4-Ethyl-5-[(4-fluorophenyl)methylsulfanylmethyl]-1,2,4-triazol-3-yl]sulfanyl]-N-(4-methyl-1,3-thiazol-2-yl)acetamideC₁₈H₂₀FN₅OS₃437.59
5188-73-8AxillarinC₁₇H₁₄O₈346.29
51883-36-4Methyl 3-hydroxyhexadecanoateC₁₇H₃₄O₃286.46
51883-92-2N-[Amino-(3,5-dimethylpyrazol-1-yl)methylidene]-4-nitrobenzamideC₁₃H₁₃N₅O₃287.28
51884-11-85-(4-Methylphenyl)-4H-1,2,4-triazol-3-amineC₉H₁₀N₄174.21
51887-88-83-Chloro-D-alanine--hydrogen chloride (1/1)C₃H₇Cl₂NO₂160.00
51887-89-9(R)-2-Amino-3-chloropropanoic acid hydrochlorideC₃H₇Cl₂NO₂160.00
51888-09-6Prochlorperazine mesilateC₂₂H₃₂ClN₃O₆S₃566.17
5189-11-7Pizotifen malateC₂₃H₂₇NO₅S429.54
5189-40-2Cyclofenil diphenolC₁₉H₂₀O₂280.37
5189-96-810|A-hydroxyestr-4-ene-3,17-dioneC₁₈H₂₄O₃288.39
51891-79-35-(4-Nitrophenyl)-1,3,4-oxadiazol-2-amineC₈H₆N₄O₃206.16
51891-85-14-(1H-Pyrazol-1-yl)benzene-1-sulfonamideC₉H₉N₃O₂S223.26
51895-58-0N-(6-Aminohexyl)aminopropyltrimethoxysilaneC₁₂H₃₀N₂O₃Si278.47
51896-15-2Benzamide, N-(2-(2-chlorophenyl)-1-(4-morpholinylcarbonyl)ethenyl)-, (E)-C₂₀H₁₉ClN₂O₃370.84
51896-27-63-Chloro-P-toluenesulfonamideC₇H₈ClNO₂S205.67
51896-49-22-[(2-Aminoethyl)amino]ethane-1-thiolC₄H₁₂N₂S120.22
518971-87-41-(1-(2,4-Difluorophenyl)propyl)piperazineC₁₃H₁₈F₂N₂240.30
518976-74-41-Ethyl-4-(isocyanatomethyl)benzeneC₁₀H₁₁NO161.20
518980-66-0Piperidine, 4-(6-ethoxy-1-methoxy-9H-thioxanthen-9-ylidene)-1-methyl-C₂₂H₂₅NO₂S367.51
518982-47-35-(Morpholin-4-yl)-2-(propan-2-yl)-1,3-oxazole-4-carbonitrileC₁₁H₁₅N₃O₂221.26
518982-63-3Ethyl 4-hydroxy-2-(4-methoxyphenyl)-5-oxo-1-(pyridin-3-ylmethyl)-2,5-dihydro-1H-pyrrole-3-carboxylateC₂₀H₂₀N₂O₅368.39
518982-64-4Ethyl 4-hydroxy-1-[3-(1H-imidazol-1-yl)propyl]-2-(4-methylphenyl)-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxylateC₂₀H₂₃N₃O₄369.42
518982-66-6Ethyl 4-hydroxy-2-(4-methylphenyl)-5-oxo-1-(pyridin-3-ylmethyl)-2,5-dihydro-1H-pyrrole-3-carboxylateC₂₀H₂₀N₂O₄352.39
518982-69-92-Methylpropyl 2-amino-4-methyl-1,3-thiazole-5-carboxylateC₉H₁₄N₂O₂S214.29
518982-84-8Isopropyl 6-methyl-4-(thiophen-2-yl)-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylateC₁₃H₁₆N₂O₂S₂296.42
518984-90-23-(4-Hydroxy-3,5-dimethylphenyl)-2-(piperidine-1-carbonyl)prop-2-enenitrileC₁₇H₂₀N₂O₂284.36
518987-35-45-Methyl-1H-indazole-3-carbaldehydeC₉H₈N₂O160.18
518990-20-01H,4H,6H,7H-Pyrano(4,3-c)pyrazole-3-carboxylic acidC₇H₈N₂O₃168.15
518990-21-1Ethyl 1H,4H,6H,7H-pyrano[4,3-c]pyrazole-3-carboxylateC₉H₁₂N₂O₃196.21
518990-23-35-tert-Butyl 3-ethyl 1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridine-3,5-dicarboxylateC₁₄H₂₁N₃O₄295.34
518990-24-4tert-Butyl 3-(2-ethoxy-2-oxoacetyl)-4-oxopiperidine-1-carboxylateC₁₄H₂₁NO₆299.32
518990-32-44-Fluoro-3-iodo-1H-indazoleC₇H₄FIN₂262.02
518990-33-54-Chloro-3-iodo-1H-indazoleC₇H₄ClIN₂278.48
518990-36-86-Methoxy-1H-indazole-3-carboxylic acidC₉H₈N₂O₃192.17
518990-49-33-Ethyl-4-methoxyanilineC₉H₁₃NO151.21
518990-56-25-[(tert-Butoxy)carbonyl]-1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridine-3-carboxylic acidC₁₂H₁₇N₃O₄267.29
518993-08-32-(4-Chlorophenyl)-N-(4-phenyl-1,3-thiazol-2-yl)acetamideC₁₇H₁₃ClN₂OS328.82
518993-25-4N-[4-(4-Chlorophenoxy)phenyl]-2-[(6-methyl-4-oxo-1H-pyrimidin-2-yl)sulfanyl]acetamideC₁₉H₁₆ClN₃O₃S401.88
518995-52-31-(Furan-2-ylmethyl)-3-(2-methylpropyl)thioureaC₁₀H₁₆N₂OS212.32
518996-51-5Pyridine, 4-[3-(1,4-dioxaspiro[4.4]non-2-ylmethyl)-2-oxazolidinyl]-C₁₆H₂₂N₂O₃290.36
518997-91-62,2'':7'',2''''-Ter-9,9'-spirobi(9H-fluorene)C₇₅H₄₄945.18
519-02-8MatrineC₁₅H₂₄N₂O248.37
519-05-16-Formyl-2,3-dimethoxybenzoic acidC₁₀H₁₀O₅210.19
519-09-5BenzoylecgonineC₁₆H₁₉NO₄289.33
519-10-8LysergineC₁₆H₁₈N₂238.33
519-12-0(8alpha)-9,10-Didehydro-6,8-dimethylergolin-8-olC₁₆H₁₈N₂O254.33
519-21-1MycaminoseC₈H₁₇NO₄191.23
519-23-3EllipticineC₁₇H₁₄N₂246.31
519-30-27-(2-(Dimethylamino)ethyl)-3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dioneC₁₁H₁₇N₅O₂251.29
519-32-4IsocaffeineC₈H₁₀N₄O₂194.19
519-34-6MaclurinC₁₃H₁₀O₆262.22
519-37-9EtofyllineC₉H₁₂N₄O₃224.22
519-40-4AspidinolC₁₂H₁₆O₄224.26
519-44-82,4-DinitroresorcinolC₆H₄N₂O₆200.11
519-53-9AromolineC₃₆H₃₈N₂O₆594.71
519-57-3SulochrinC₁₇H₁₆O₇332.31
519-62-0Chlorophyll BC₅₅H₇₀MgN₄O₆907.49
519-63-1Chlorophyll dC₅₄H₇₀MgN₄O₆895.48
519-66-44-Hydroxy-1-methyl-3-phenyl-1,2-dihydroquinolin-2-oneC₁₆H₁₃NO₂251.28
519-67-52,5-Dihydroxy-3,6-bis(4-hydroxyphenyl)-2,5-cyclohexadiene-1,4-dioneC₁₈H₁₂O₆324.29
519-73-3TriphenylmethaneC₁₉H₁₆244.34
519-74-42-DiphenylmethylpiperidineC₁₈H₂₁N251.37
519-87-9N,N-DiphenylacetamideC₁₄H₁₃NO211.26
519-88-0AmbucetamideC₁₇H₂₈N₂O₂292.42
519-95-9FlorantyroneC₂₀H₁₄O₃302.33
519-96-0PatuletinC₁₆H₁₂O₈332.26
519-98-2MethylaminoantipyrineC₁₂H₁₅N₃O217.27
5190-68-14-ChloroquinazolineC₈H₅ClN₂164.59
51900-85-7SafaprynC₁₇H₁₇NO₆331.32
519003-04-4tert-Butyl ((2-bromothiazol-5-yl)methyl)carbamateC₉H₁₃BrN₂O₂S293.19
519003-78-2N-(3,5-Dichlorophenyl)-1-naphthamideC₁₇H₁₁Cl₂NO316.19
519004-35-4N-(3-Fluorophenyl)-2-propenamideC₉H₈FNO165.17
519004-43-43-(4-Methyl-piperidin-1-yl)-N-m-tolyl-propionamideC₁₆H₂₄N₂O260.38
519004-56-9N-(3,5-Dimethoxyphenyl)-3-(4-methylpiperazin-1-yl)propanamideC₁₆H₂₅N₃O₃307.39
519004-83-2N-(2-Methoxy-5-methylphenyl)-3-[4-[(E)-3-phenylprop-2-enyl]piperazin-1-yl]propanamideC₂₄H₃₁N₃O₂393.53
519005-71-11-[4-(4-Nitrophenyl)sulfonylpiperazin-1-yl]-2-phenylethanoneC₁₈H₁₉N₃O₅S389.43
519005-84-6(4-Benzylsulfonylpiperazin-1-yl)-(3-fluorophenyl)methanoneC₁₈H₁₉FN₂O₃S362.43
519005-87-91-(4-Benzylsulfonylpiperazin-1-yl)-3-cyclopentylpropan-1-oneC₁₉H₂₈N₂O₃S364.51
519005-90-4(4-Benzylsulfonylpiperazin-1-yl)-(2-methoxyphenyl)methanoneC₁₉H₂₂N₂O₄S374.46
519005-97-11-Cyclopentyl-4-[(2-nitrophenyl)sulfonyl]piperazineC₁₅H₂₁N₃O₄S339.42
519006-20-31-Cyclooctyl-4-(ethylsulfonyl)piperazineC₁₄H₂₈N₂O₂S288.46
519006-24-71-Cyclooctyl-4-(phenylsulfonyl)piperazineC₁₈H₂₈N₂O₂S336.50
519009-29-13-Allyl-4-amino-5-(4-morpholinylcarbonyl)-1,3-thiazole-2(3H)-thioneC₁₁H₁₅N₃O₂S₂285.39
51901-85-02-Bromo-1,3,2-benzodioxaboroleC₆H₄BBrO₂198.81
519011-14-4N-Benzyl-2-cyano-3-(4-hydroxy-3,5-dimethylphenyl)prop-2-enamideC₁₉H₁₈N₂O₂306.37
519012-42-1N-(1,1-Dioxidotetrahydro-3-thienyl)-2-[(2-methoxybenzoyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamideC₂₁H₂₄N₂O₅S₂448.57

All pages for 51 (37 pages)Show all

Every CAS number here is checked for a valid check digit. Confirm it with the supplier before you order. CAS Registry Number is a registered trademark of the American Chemical Society.