CAS number index

CAS numbers starting with 520

225 chemicals have a CAS number that starts with 520. They are listed in CAS order.

Showing 1 to 100 of 225 chemicals

CAS numberChemical nameFormulaMol. weight

520-03-6N-PhenylphthalimideC₁₄H₉NO₂223.23
520-09-2ChloroethylaminouracilC₉H₁₃Cl₂N₃O₂266.13
520-10-5Arsenazo IC₁₆H₁₃AsN₂O₁₁S₂548.34
520-11-6NepetinC₁₆H₁₂O₇316.26
520-12-7PectolinarigeninC₁₇H₁₄O₆314.29
520-14-9Myricetin 3'-glucosideC₂₁H₂₀O₁₃480.38
520-17-23,4,4',5,7-FlavanpentolC₁₅H₁₄O₆290.27
520-18-3KaempferolC₁₅H₁₀O₆286.24
520-25-2ArtocarpanoneC₁₆H₁₄O₆302.28
520-26-3HesperidinC₂₈H₃₄O₁₅610.57
520-27-4DiosminC₂₈H₃₂O₁₅608.55
520-28-5TectochrysinC₁₆H₁₂O₄268.27
520-29-64'-5-Dihydroxy-7-methoxyflavanone, 7-O-Methylnaringenin, Naringenin 7-O-methyl etherC₁₆H₁₄O₅286.28
520-30-9NorartocarpetinC₁₅H₁₀O₆286.24
520-31-0TricetinC₁₅H₁₀O₇302.24
520-32-1TricinC₁₇H₁₄O₇330.29
520-33-2HesperetinC₁₆H₁₄O₆302.28
520-34-3DiosmetinC₁₆H₁₂O₆300.27
520-36-5ApigeninC₁₅H₁₀O₅270.24
520-42-3AsebogeninC₁₆H₁₆O₅288.30
520-43-4SparassolC₁₀H₁₂O₄196.20
520-45-6Dehydroacetic acidC₈H₈O₄168.15
520-52-5PsilocybinC₁₂H₁₇N₂O₄P284.25
520-53-6PsilocinC₁₂H₁₆N₂O204.27
520-54-77-(3-Methyl-2-buten-1-yl)-7H-purin-6-amineC₁₀H₁₃N₅203.25
520-62-7PlatynecineC₈H₁₅NO₂157.21
520-63-8HeliotridineC₈H₁₃NO₂155.20
520-68-3EchimidineC₂₀H₃₁NO₇397.47
520-72-9Benzo(b)thiophene-3-olC₈H₆OS150.20
520-74-1CapilleneC₁₂H₁₀154.21
520-77-4EthadioneC₇H₁₁NO₃157.17
520-78-54-Hydroxy-1-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrileC₇H₆N₂O₂150.14
520-79-62-Hydroxy-3-iodobenzoic acidC₇H₅IO₃264.02
520-85-4MedroxyprogesteroneC₂₂H₃₂O₃344.50
520-88-716alpha-hydroxypregnenoloneC₂₁H₃₂O₃332.48
5200-08-81-Bromo-3-methylheptaneC₈H₁₇Br193.13
52000-32-57-Mercaptoheptanoic acidC₇H₁₄O₂S162.25
52000-81-42,9-Dibenzyl-anthra(2,1,9-def:6,5,10-d'e'f')diisoquinoline-1,3,8,10-tetroneC₃₈H₂₂N₂O₄570.60
52002-03-6alpha-D-MannanC₂₄H₄₂O₂₁666.58
52002-41-2beta-D-Glucopyranuronic acid, monoglycoside with 1-(4-hydroxy-3-methoxyphenyl)-1,2-ethanediolC₁₅H₂₀O₁₀360.31
52003-20-02-Nitrothiophen-3-amineC₄H₄N₂O₂S144.16
52006-45-8Isocetyl isostearateC₃₄H₆₈O₂508.92
52009-14-0Calcium pyruvateC₆H₆CaO₆214.19
52009-53-72-Chloro-3,4-dimethoxybenzoic acidC₉H₉ClO₄216.62
52009-55-93-Ethoxy-4-propoxybenzoic acidC₁₂H₁₆O₄224.26
52009-64-03,8-Diamino-6-phenylphenanthridineC₁₉H₁₅N₃285.35
5201-87-62-{(E)-[(2,3-Dimethylphenyl)imino]methyl}-1-hydroxy-3-methylpyrido[1,2-a]benzimidazole-4-carbonitrileC₂₂H₁₈N₄O354.41
5201-88-7Phenol, 4-((7-chloro-4-quinolinyl)amino)-2,6-bis(1-pyrrolidinylmethyl)-C₂₅H₂₉ClN₄O436.99
52010-97-64-(Hydroxymethyl)benzaldehydeC₈H₈O₂136.15
52010-98-73-(Hydroxymethyl)benzaldehydeC₈H₈O₂136.15
52011-43-5N-Bromoacetylethanolamine phosphateC₄H₉BrNO₅P262.00
52011-49-1(3-Oxobutyl)trimethylammonium bromideC₇H₁₇BrNO+211.12
52011-50-41,4-Dibromobutan-2-oneC₄H₆Br₂O229.90
52011-52-62,5-Anhydromannitol 1-phosphateC₆H₁₃O₈P244.14
52011-76-46-Chloro-4-oxo-3,4-dihydro-2H-1-benzopyran-2-carboxylic acidC₁₀H₇ClO₄226.62
52012-29-0IsoschaftosideC₂₆H₂₈O₁₄564.50
52013-44-2NitinolNi₁₄Ti₁₁1348.24
52019-05-33-(3,5-Dihydroxy-2-methoxyoxan-4-yl)-1-methyl-1-nitrosoureaC₈H₁₅N₃O₆249.22
52019-36-0Poly(oxy-1,2-ethanediyl), alpha-decyl-omega-hydroxy-, phosphateC₁₂H₂₉O₆P300.33
52019-78-0(2S)-Hexan-2-olC₆H₁₄O102.18
5202-78-8N-VinylacetamideC₄H₇NO85.11
5202-85-72-Amino-5-chlorobenzamideC₇H₇ClN₂O170.60
5202-86-84-Chloro-2-methylacetanilideC₉H₁₀ClNO183.64
5202-87-92-Acetamido-5-chlorobenzoic acidC₉H₈ClNO₃213.62
5202-89-1Methyl 2-amino-5-chlorobenzoateC₈H₈ClNO₂185.61
52020-07-2AltosidC₁₉H₃₄O₃310.48
52022-77-23-Nitrophenylethyl alcoholC₈H₉NO₃167.16
52022-82-9(3E)-5-Bromo-1,3-pentadieneC₅H₇Br147.01
52023-68-46-(Morpholino)pyridin-3-amineC₉H₁₃N₃O179.22
52023-69-56-(Ethanesulfonyl)pyridin-3-amineC₇H₁₀N₂O₂S186.24
52023-94-63-Isothiocyanato-2-methoxypyridineC₇H₆N₂OS166.21
52025-34-06-Ethoxypyridin-3-amineC₇H₁₀N₂O138.17
52025-35-16-Propoxypyridin-3-amineC₈H₁₂N₂O152.20
52025-36-26-(1-Methylethoxy)-3-pyridinamineC₈H₁₂N₂O152.20
52025-39-5N2-ethylpyridine-2,5-diamineC₇H₁₁N₃137.19
52025-76-0CannabielsoinC₂₁H₃₀O₃330.47
52026-44-54,4'-(6-Methylpyrimidine-2,4-diyl)dimorpholineC₁₃H₂₀N₄O₂264.33
52026-74-1Ethane-13C2C₂H₆32.05
52028-69-02-(Morpholin-4-yl)ethyl diphenylacetate--hydrogen chloride (1/1)C₂₀H₂₄ClNO₃361.87
52029-86-4Sto-609C₁₉H₁₀N₂O₃314.30
5203-01-02-(4-Chloro-phenylamino)-malonic acid diethyl esterC₁₃H₁₆ClNO₄285.73
5203-11-2(2S)-2-(1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl)butanoic acidC₁₂H₁₁NO₄233.22
5203-12-3(2R)-2-(1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl)butanoic acidC₁₂H₁₁NO₄233.22
5203-14-54-ButoxybenzonitrileC₁₁H₁₃NO175.23
5203-15-64-(2-Methylpropoxy)benzonitrileC₁₁H₁₃NO175.23
5203-77-01,3-Dimethyl-1H-pyrazol-5-olC₅H₈N₂O112.13
5203-98-5XC 386C₈H₈N₂O₂164.16
52031-09-1Ferric sodium citrateC₆H₄FeNaO₇266.93
52033-70-26-Nitro-3-phenylacetamidobenzoic acidC₁₅H₁₂N₂O₅300.27
52033-74-6Phenylhydrazinium sulphate (2:1)C₁₂H₁₈N₄O₄S314.37
52033-96-22-Fluorobenzene-1,3-diamineC₆H₇FN₂126.13
52034-16-91,6-Bis(triethoxysilyl)hexaneC₁₈H₄₂O₆Si₂410.70
52034-37-4Ethyl 4-(3-formyl-2,5-dimethyl-1H-pyrrol-1-yl)benzoateC₁₆H₁₇NO₃271.32
52034-38-54-(3-Formyl-2,5-dimethyl-1H-pyrrol-1-yl)benzoic acidC₁₄H₁₃NO₃243.26
52034-92-1Dicyclohexylacetic acidC₁₄H₂₄O₂224.34
52036-16-55-VanillylidenehydantoinC₁₁H₁₀N₂O₄234.21
52036-18-72,4-Imidazolidinedione, 5-((2,5-dimethoxyphenyl)methylene)-C₁₂H₁₂N₂O₄248.24
5204-47-74-[2-[4-(Dimethylamino)phenyl]ethenyl]-N,N-diethylpteridin-2-amineC₂₀H₂₄N₆348.45
5204-64-83-Pentenoic acidC₅H₈O₂100.12
5204-74-0Triethylamine acetateC₈H₁₉NO₂161.25

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.