CAS Number Index

A CAS Registry Number,also referred to as CASRN or CAS Number, is a unique numerical identifier assigned by the Chemical Abstracts Service (CAS) to every chemical substance described in the open scientific literature (currently including all substances described from 1957 through the present, plus some substances from the early or mid 1900s), including organic and inorganiccompounds, minerals, isotopes, alloys and nonstructurable materials (UVCBs, of unknown, variable composition, or biological origin).The registry maintained by CAS is an authoritative collection of disclosed chemical substance information. It currently identifies more than 144 million unique organic and inorganic substances and 67 million protein and DNA sequences,plus additional information about each substance. It is updated with around 15,000 additional new substances daily.（information coming from wikipedia.org)

Name CAS Number
3-methoxy-N-{4-[4-(propan-2-yloxy)phenyl]-1,2,5-oxadiazol-3-yl}benzamide 898611-10-4
N-[4-(4-butoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-methylpropanamide 898611-16-0
N-[4-(4-butoxyphenyl)-1,2,5-oxadiazol-3-yl]-3-ethoxybenzamide 898611-17-1
N-[4-(4-butoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-phenoxyacetamide 898611-21-7
N-[4-(4-butoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-(2-fluorophenoxy)propanamide 898611-23-9
N-[4-(4-butoxyphenyl)-1,2,5-oxadiazol-3-yl]-2-(4-chlorophenoxy)acetamide 898611-26-2
N-(4,5,6,7-tetrahydro-2,1-benzoxazol-3-yl)-2,3-dihydro-1,4-benzodioxine-2-carboxamide 898611-30-8
N-[3-(4-bromophenyl)-1,2,4-thiadiazol-5-yl]furan-2-carboxamide 898611-39-7
4-propoxy-N-(4,5,6,7-tetrahydro-2,1-benzoxazol-3-yl)benzamide 898611-46-6
N-[3-(4-bromophenyl)-1,2,4-thiadiazol-5-yl]-2-(4-methoxyphenyl)acetamide 898611-48-8
N-[3-(4-bromophenyl)-1,2,4-thiadiazol-5-yl]thiophene-2-carboxamide 898611-71-7
N-[3-(4-bromophenyl)-1,2,4-thiadiazol-5-yl]-2-(4-fluorophenoxy)acetamide 898611-72-8
N-[3-(4-bromophenyl)-1,2,4-thiadiazol-5-yl]-3-methylbutanamide 898628-39-2
3-chloro-N-(4,5,6,7-tetrahydro-2,1-benzoxazol-3-yl)benzamide 898628-42-7
N-(1,1-dioxidotetrahydrothiophen-3-yl)-N-{[5-(4-fluorophenyl)furan-2-yl]methyl}-2,3-dihydro-1,4-benzodioxine-2-carboxamide 879476-87-6
N-{[5-(4-chlorophenyl)furan-2-yl]methyl}-N-(1,1-dioxidotetrahydrothiophen-3-yl)-3-methylbutanamide 879775-34-5
N-{[5-(4-chlorophenyl)furan-2-yl]methyl}-N-(1,1-dioxidotetrahydrothiophen-3-yl)pentanamide 898629-87-3
N-{[5-(4-chlorophenyl)furan-2-yl]methyl}-N-(1,1-dioxidotetrahydrothiophen-3-yl)propanamide 898629-89-5
N-{[5-(4-chlorophenyl)furan-2-yl]methyl}-N-(1,1-dioxidotetrahydrothiophen-3-yl)butanamide 879763-50-5
(2E)-N-(1,1-dioxidotetrahydrothiophen-3-yl)-N-{[5-(4-fluorophenyl)furan-2-yl]methyl}-3-(4-methylphenyl)prop-2-enamide 898629-92-0
(2E)-N-(1,1-dioxidotetrahydrothiophen-3-yl)-N-{[5-(4-fluorophenyl)furan-2-yl]methyl}-3-(furan-2-yl)prop-2-enamide 898629-95-3
N-(1,1-dioxidotetrahydrothiophen-3-yl)-2-ethyl-N-{[5-(4-fluorophenyl)furan-2-yl]methyl}butanamide 879469-79-1
1-(4-chlorophenyl)-N-(5-methyl-1,3,4-thiadiazol-2-yl)-4-oxo-1,4-dihydropyridazine-3-carboxamide 895827-92-6
N-(1,1-dioxidotetrahydrothiophen-3-yl)-N-{[5-(4-fluorophenyl)furan-2-yl]methyl}-2-phenylacetamide 879479-75-1
(4E)-1-(1,1-dioxidotetrahydrothiophen-3-yl)-5-(3-hydroxyphenyl)-4-[hydroxy(thiophen-2-yl)methylidene]pyrrolidine-2,3-dione 898610-23-6
N-{5-[(4-fluorobenzyl)sulfanyl]-1,3,4-thiadiazol-2-yl}-4-oxo-1-phenyl-1,4-dihydropyridazine-3-carboxamide 892624-36-1
N-[4-(4-fluorophenyl)-1,2,5-oxadiazol-3-yl]-2,3-dihydro-1,4-benzodioxine-2-carboxamide 898615-28-6
1-(4-chlorophenyl)-4-oxo-N-(pyridin-3-yl)-1,4-dihydropyridazine-3-carboxamide 898615-86-6
3,4,5-trimethoxy-N-(4,5,6,7-tetrahydrobenzo[c]isoxazol-3-yl)benzamide 898631-79-3
N-(4,5,6,7-tetrahydro-2,1-benzoxazol-3-yl)thiophene-2-carboxamide 898631-85-1
4-fluoro-N-(4,5,6,7-tetrahydrobenzo[c]isoxazol-3-yl)benzamide 898631-91-9
N-[4-(azepan-1-ylsulfonyl)phenyl]-1-(4-fluorophenyl)-4-oxo-1,4-dihydropyridazine-3-carboxamide 898632-92-3
1-(4-fluorophenyl)-4-oxo-N-(4-sulfamoylphenyl)-1,4-dihydropyridazine-3-carboxamide 898632-98-9
Methyl 2-({[1-(4-fluorophenyl)-4-oxo-1,4-dihydropyridazin-3-yl]carbonyl}amino)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate 898619-51-7
1-(4-fluorophenyl)-N-{3-[(2-methoxyethyl)carbamoyl]-4,5,6,7-tetrahydro-1-benzothiophen-2-yl}-4-oxo-1,4-dihydropyridazine-3-carboxamide 898619-90-4
N-[5-(benzylsulfonyl)-1,3,4-thiadiazol-2-yl]-3-chloro-1-benzothiophene-2-carboxamide 898636-20-9
4-chloro-N-[5-(methylsulfonyl)-1,3,4-thiadiazol-2-yl]benzamide 895850-71-2
(3,6-Dichloro-1-benzothiophen-2-yl){4-[2-(pyridin-2-yl)ethyl]piperazin-1-yl}methanone 885728-51-8
1-[(5-Fluoro-3-methyl-1-benzofuran-2-yl)carbonyl]-4-(2-pyridin-2-ylethyl)piperazine 885735-53-5
1-(2-Pyridin-2-ylethyl)-4-[(3,5,6-trimethyl-1-benzofuran-2-yl)carbonyl]piperazine 885734-73-6
2-(2-fluorophenoxy)-N-[4-(4-fluorophenyl)-1,2,5-oxadiazol-3-yl]butanamide 898618-38-7
(2E)-3-(furan-2-yl)-N-[4-(thiophen-2-yl)-1,2,5-oxadiazol-3-yl]prop-2-enamide 898618-59-2
(2E)-N-[4-(4-fluorophenyl)-1,2,5-oxadiazol-3-yl]-3-phenylprop-2-enamide 898618-70-7
2-(2-fluorophenoxy)-N-[4-(4-fluorophenyl)-1,2,5-oxadiazol-3-yl]propanamide 898618-79-6
4-Benzoxazol-2-ylpiperidyl 2-thienyl ketone 898618-91-2
4-methoxy-N-{[1-(morpholin-4-yl)cyclohexyl]methyl}benzamide 939766-30-0
1-(4-Fluorophenyl)-4-(1,2,3-thiadiazol-4-ylcarbonyl)piperazine 898619-03-9
N-{[5-(4-chlorophenyl)furan-2-yl]methyl}-N-(1,1-dioxidotetrahydrothiophen-3-yl)-3-methoxybenzamide 898619-44-8
2-(2-fluorophenoxy)-N-[4-(thiophen-2-yl)-1,2,5-oxadiazol-3-yl]butanamide 898485-21-7
3,6-dimethyl-N-[4-(2-thienyl)-1,2,5-oxadiazol-3-yl]-1-benzofuran-2-carboxamide 898485-33-1

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