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
2-oxo-N-((8-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3-yl)methyl)imidazolidine-1-carboxamide 1903049-46-6
2-chloro-N-(2-(4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)benzenesulfonamide 1903293-03-7
N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)-2-phenyl-2H-1,2,3-triazole-4-carboxamide 1903520-58-0
7-methoxy-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)benzofuran-2-carboxamide 1904304-44-4
2-methoxy-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)nicotinamide 1904186-57-7
5-bromo-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)furan-2-carboxamide 1904028-34-7
N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)-2-oxo-2H-chromene-3-carboxamide 1903883-56-6
2,4-dimethyl-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)thiazole-5-carboxamide 1903172-19-9
2,5-dimethyl-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)furan-3-carboxamide 1903602-18-5
N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)benzo[c][1,2,5]thiadiazole-5-carboxamide 1903636-67-8
5-chloro-2-fluoro-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)benzamide 1903883-88-4
2-hydroxy-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)quinoline-4-carboxamide 1903636-75-8
3-(2-methoxyphenyl)-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)propanamide 1904186-75-9
3-(3-chlorophenyl)-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)propanamide 1903167-68-9
1,3,5-trimethyl-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)-1H-pyrazole-4-carboxamide 1903781-26-9
2-(2-chloro-6-fluorophenyl)-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)acetamide 1903164-32-8
1-ethyl-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)-1H-pyrazole-5-carboxamide 1903884-11-6
1-(3-ethoxypropyl)-3-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)urea 1903164-51-1
2,6-difluoro-N-(2-(2-methyl-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)ethyl)benzenesulfonamide 1903164-67-9
(4-(1,1-dioxidotetrahydro-2H-thiopyran-4-yl)piperazin-1-yl)(naphthalen-1-yl)methanone 1903884-50-3
(4-(1,1-dioxidotetrahydro-2H-thiopyran-4-yl)piperazin-1-yl)(pyridin-4-yl)methanone 1904409-45-5
2,2',2''-(1,4,7-Triazecane-1,4,7-triyl)tris(ethane-1-thiol) 1141378-62-2
2-(2,4-difluorophenyl)-1-(4-(1,1-dioxidotetrahydro-2H-thiopyran-4-yl)piperazin-1-yl)ethanone 1904409-62-6
3-(3-chlorophenyl)-1-(4-(1,1-dioxidotetrahydro-2H-thiopyran-4-yl)piperazin-1-yl)propan-1-one 1903383-08-3
tert-Butyl 3-amino-6-methylpyrazine-2-carboxylate 1259478-69-7
4-(4-((4-fluoro-2-methylphenyl)sulfonyl)piperazin-1-yl)tetrahydro-2H-thiopyran 1,1-dioxide 1903286-14-5
N-((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-phenylacetamide 1904126-14-2
1-(3-methoxyphenyl)-N-{[3-(5-methyl-1,2-oxazol-3-yl)-1,2,4-oxadiazol-5-yl]methyl}-5-oxopyrrolidine-3-carboxamide 1903440-26-5
N-((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)furan-3-carboxamide 1903383-35-6
Benzyl ((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)carbamate 1903168-36-4
N-((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-oxoimidazolidine-1-carboxamide 1904017-62-4
1-((3-(5-Methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-3-(thiophen-2-ylmethyl)urea 1903885-42-6
1-((3-(5-Methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-3-((tetrahydrofuran-2-yl)methyl)urea 1903250-64-5
1-(3-Methoxybenzyl)-3-((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)urea 1903784-51-9
N-((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)morpholine-4-sulfonamide 1902992-75-9
N-((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)benzo[c][1,2,5]thiadiazole-4-sulfonamide 1904304-79-5
N-((3-(5-methylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-4-(1H-pyrazol-1-yl)benzenesulfonamide 1903784-74-6
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-methoxybenzamide 1903286-56-5
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)acetamide 1903848-72-5
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)furan-2-carboxamide 1903784-88-2
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-4-oxo-4H-chromene-2-carboxamide 1903243-11-7
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-1-(methylsulfonyl)piperidine-4-carboxamide 1903440-60-7
3-cyano-N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)benzamide 1902980-06-6
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-4-phenyltetrahydro-2H-pyran-4-carboxamide 1903520-77-3
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-(3,5-dimethylisoxazol-4-yl)acetamide 1904304-98-8
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-3,5-dimethylisoxazole-4-carboxamide 1903286-80-5
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-1-methyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxamide 1904367-57-2
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-(1H-pyrrol-1-yl)acetamide 1904187-54-7
N-((3-(5-cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-1-methyl-1H-pyrrole-2-carboxamide 1904410-70-3
3-(((3-(5-Cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)carbamoyl)pyridine 1-oxide 1903784-95-1

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