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 |
Molecular Formula |
Chemical & Physical Properties |
CAS Number |
| 3-(1-Ethyl-2-methylindol-3-yl)-3-(2-ethoxy-4-diethylaminophenyl)-4-azaphthalide |
C30H33N3O3 |
Molecular Weight:483.60100
Density:1.17g/cm3
Boiling Point:669.1ºC at 760 mmHg
Melting Point:N/A |
69898-40-4 |
| 2-ACRYLAMIDO-2-HYDROXYACETIC ACID HYDRATE |
C5H9NO5 |
Molecular Weight:163.12900
Density:N/A
Boiling Point:564.8ºC at 760 mmHg
Melting Point:95-97ºC(lit.) |
199926-33-5 |
| 3,5-Difluoro-4-[difluoro(3,4,5-trifluorophenoxy)methyl]-4'-propyl-1,1'-biphenyl |
C22H17F5O |
Molecular Weight:392.362
Density:1.3±0.1 g/cm3
Boiling Point:425.4±45.0 °C at 760 mmHg
Melting Point:N/A |
337456-92-5 |
| 2H-DIBENZO[E,G]ISOINDOLE |
C16H11N |
Molecular Weight:217.26500
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
235-93-8 |
| 5,10,15,20-Tetrakis(4-fluorophenyl)-21H,23H-porphine |
C44H26F4N4 |
Molecular Weight:686.69800
Density:1.354g/cm3
Boiling Point:N/A
Melting Point:N/A |
37095-43-5 |
| Potassium p-toluate |
C8H7KO2 |
Molecular Weight:174.23800
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
16518-25-5 |
| (4-FLUORO-3-NITROPHENYL)METHANAMINE HYDROCHLORIDE |
C7H8ClFN2O2 |
Molecular Weight:206.60200
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
1187930-69-3 |
| 4-Fluoro-5-(4-methylpiperazin-1-yl)benzene-1,2-diamine |
C11H17FN4 |
Molecular Weight:224.27800
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
174468-55-4 |
| (2-(4-METHOXYPHENYL)THIAZOL-4-YL)METHANAMINE HYDROCHLORIDE |
C11H13ClN2OS |
Molecular Weight:256.75200
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
858009-33-3 |
| 1-(BENZYLOXY)-4-BROMO-2-(TRIFLUOROMETHYL)BENZENE |
C14H10BrF3O |
Molecular Weight:331.12800
Density:1.479g/cm3
Boiling Point:346.4ºC at 760 mmHg
Melting Point:N/A |
169247-46-5 |
| 2'-O-(2-Methoxyethyl)uridine |
C12H18N2O7 |
Molecular Weight:302.280
Density:1.5±0.1 g/cm3
Boiling Point:N/A
Melting Point:N/A |
223777-15-9 |
| 2′-O-(2-Methoxyethyl)guanosine |
C13H19N5O6 |
Molecular Weight:341.32000
Density:1.811g/cm3
Boiling Point:N/A
Melting Point:N/A |
473278-54-5 |
| tert-Butyl 4-(methylthio)-3-iodopyridin-2-ylcarbamate |
C11H15IN2O2S |
Molecular Weight:366.21800
Density:1.61
Boiling Point:354℃
Melting Point:N/A |
1211504-19-6 |
| 2-(2-Bromo-5-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane |
C13H18BBrO3 |
Molecular Weight:312.99500
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
1256781-58-4 |
| 2,4-Dibromo-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol |
C12H15BBr2O3 |
Molecular Weight:377.86500
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
1256781-61-9 |
| 2-(2-Bromo-3,5-difluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane |
C12H14BBrF2O2 |
Molecular Weight:318.95000
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
1256781-62-0 |
| 2-(2-bromo-5-chlorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane |
C12H15BBrClO2 |
Molecular Weight:317.41400
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
1256781-63-1 |
| (2,5-Dibromophenyl)Boronic Acid Pinacol Ester |
C12H15BBr2O2 |
Molecular Weight:361.86500
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
1256781-64-2 |
| 2-(2-BROMO-5-(TRIFLUOROMETHOXY)PHENYL)-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE |
C13H15BBrF3O3 |
Molecular Weight:366.96700
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
1256781-66-4 |
| 2-(2-Iodo-5-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane |
C13H18BIO3 |
Molecular Weight:359.99600
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
1256781-69-7 |
| 2-(2-Iodo-3,5-dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane |
C14H20BIO2 |
Molecular Weight:358.02300
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
1256781-70-0 |
| 2-(2-Chloro-3,5-dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane |
C14H20BClO2 |
Molecular Weight:266.57100
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
1256781-74-4 |
| 4-(TRANS-4-(2-(TRANS-4-ETHYLCYCLOHEXYL)ETHYL)CYCLOHEXYL)-1,2-DIFLUOROBENZENE |
C22H32F2 |
Molecular Weight:334.48600
Density:0.993g/cm3
Boiling Point:403ºC at 760 mmHg
Melting Point:N/A |
117923-19-0 |
| 1,2-DIFLUORO-4-(TRANS-4-(2-(TRANS-4-PENTYLCYCLOHEXYL)ETHYL)CYCLOHEXYL)BENZENE |
C25H38F2 |
Molecular Weight:376.56600
Density:0.975g/cm3
Boiling Point:444.6ºC at 760 mmHg
Melting Point:N/A |
117923-21-4 |
| 4'-(TRANS-4-ETHYLCYCLOHEXYL)-3,4,5-TRIFLUORO-1,1'-BIPHENYL |
C20H21F3 |
Molecular Weight:318.37600
Density:1.112 g/cm3
Boiling Point:388.4ºC at 760 mmHg
Melting Point:N/A |
137019-94-4 |
| TRANS-4-BUTYL-4'-(4-FLUOROPHENYL)-1,1'-BI(CYCLOHEXANE) |
C22H33F |
Molecular Weight:316.49600
Density:0.972g/cm3
Boiling Point:403.1ºC at 760 mmHg
Melting Point:N/A |
82832-28-8 |
| 1-FLUORO-4-(TRANS-4-(2-(TRANS-4-PROPYLCYCLOHEXYL)ETHYL)CYCLOHEXYL)BENZENE |
C23H35F |
Molecular Weight:330.52200
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
91162-04-8 |
| 1-(TRANS-4-(2-(TRANS-4-ETHYLCYCLOHEXYL)ETHYL)CYCLOHEXYL)-4-FLUOROBENZENE |
C22H33F |
Molecular Weight:316.49600
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
95837-21-1 |
| (2S,3R)-5-METHOXY-2-(((4-METHYLBENZOYL)OXY)METHYL)TETRAHYDROFURAN-3-YL 4-METHYLBENZOATE |
C22H24O6 |
Molecular Weight:384.42200
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
22837-37-2 |
| 5'-AMINO-5'-DEOXY-2',3'-O-(1-METHYLETHYLIDENE)-ADENOSINE |
C13H18N6O3 |
Molecular Weight:306.32000
Density:N/A
Boiling Point:N/A
Melting Point:202-203°C |
21950-36-7 |
| 1,1,2,2,3,3-Hexabromocyclododecane |
C12H18Br6 |
Molecular Weight:641.69500
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
1235106-66-7 |
| iridium(+3) cation tetrachloride |
Cl4Ir---- |
Molecular Weight:334.030
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
10025-97-5 |
| UNII:55Z0SP2I0A |
C18H19NOS |
Molecular Weight:297.415
Density:1.2±0.1 g/cm3
Boiling Point:492.8±45.0 °C at 760 mmHg
Melting Point:N/A |
1346599-09-4 |
| ((((2-(6-AMINO-9H-PURIN-9-YL)ETHOXY)METHYL)(ETHOXY)PHOSPHORYL)OXY)METHYL PIVALATE |
C16H26N5O6P |
Molecular Weight:415.381
Density:1.4±0.1 g/cm3
Boiling Point:586.4±60.0 °C at 760 mmHg
Melting Point:N/A |
142341-04-6 |
| ((((2-(6-Amino-9H-purin-9-yl)ethoxy)methyl)(hydroxy)phosphoryl)oxy)methyl pivalate |
C14H22N5O6P |
Molecular Weight:387.328
Density:1.5±0.1 g/cm3
Boiling Point:597.7±60.0 °C at 760 mmHg
Melting Point:N/A |
142341-05-7 |
| (1R, 3S, 4R)-ent-Entecavir |
C12H15N5O3 |
Molecular Weight:277.279
Density:1.8±0.1 g/cm3
Boiling Point:N/A
Melting Point:N/A |
188399-46-4 |
| 2,4-Dibromo-6-fluorobenzaldehyde |
C7H3Br2FO |
Molecular Weight:281.90500
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
205683-34-7 |
| 4-[3-(Methylamino)-1-(2-thienyl)propyl]-1-naphthalenol |
C18H19NOS |
Molecular Weight:297.415
Density:1.2±0.1 g/cm3
Boiling Point:497.2±45.0 °C at 760 mmHg
Melting Point:N/A |
949095-98-1 |
| 2',7'-DICHLORO-3',6'-DIHYDROXY-3-OXO-3H-SPIRO[ISOBENZOFURAN-1,9'-XANTHENE]-5-CARBOXYLIC ACID |
C21H10Cl2O7 |
Molecular Weight:445.20600
Density:1.86g/cm3
Boiling Point:732.3ºC at 760mmHg
Melting Point:N/A |
142975-81-3 |
| 2',4,4',5',7,7'-HEXACHLORO-3',6'-DIHYDROXY-3-OXO-3H-SPIRO[ISOBENZOFURAN-1,9'-XANTHENE]-6-CARBOXYLIC ACID |
C21H6Cl6O7 |
Molecular Weight:582.98600
Density:2.06±0.1 g/cm3(Predicted)
Boiling Point:794.8±60.0 °C(Predicted)
Melting Point:N/A |
155911-16-3 |
| 4',5'-DICHLORO-3',6'-DIHYDROXY-2',7'-DIMETHOXY-3-OXO-3H-SPIRO[ISOBENZOFURAN-1,9'-XANTHENE]-5-CARBOXYLIC ACID |
C23H14Cl2O9 |
Molecular Weight:505.25800
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
82855-39-8 |
| 2-Amino-4,5-bis(2-methoxyethoxy)benzoic acid ethyl ester hydrochloride |
C15H24ClNO6 |
Molecular Weight:349.807
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
183322-17-0 |
| 4-Bromo-N-(4-bromophenyl)-N-(p-tolyl)aniline |
C19H15Br2N |
Molecular Weight:417.13700
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
100308-67-6 |
| [1,1'-Biphenyl]-4,4'-diamine,N4,N4'-bis(3-bromophenyl)-N4,N4'-diphenyl- |
C36H26Br2N2 |
Molecular Weight:646.41300
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
121246-40-0 |
| 1,3-Bis(4-aminophenyl)adamantane |
C22H26N2 |
Molecular Weight:318.455
Density:1.2±0.1 g/cm3
Boiling Point:510.2±50.0 °C at 760 mmHg
Melting Point:N/A |
58788-79-7 |
| 1-Bromochrysene |
C18H11Br |
Molecular Weight:307.18400
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
76670-38-7 |
| 2-BROMO-7-NITRODIBENZO[B,E][1,4]DIOXINE |
C12H6BrNO4 |
Molecular Weight:308.08400
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
100125-06-2 |
| tert-Butyl (S)-2-(4-bromo-1H-imidazol-2-yl)pyrrolidine-1-carboxylate |
C12H18BrN3O2 |
Molecular Weight:316.194
Density:1.4±0.1 g/cm3
Boiling Point:469.3±35.0 °C at 760 mmHg
Melting Point:N/A |
1007882-59-8 |
| 2-(5-Bromo-2-chlorophenyl)acetonitrile |
C8H5BrClN |
Molecular Weight:230.48900
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
1057216-52-0 |
| tert-Butyl (2-iodoethyl)carbamate |
C7H14INO2 |
Molecular Weight:271.096
Density:1.5±0.1 g/cm3
Boiling Point:281.3±23.0 °C at 760 mmHg
Melting Point:N/A |
122234-46-2 |