| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 40239-18-7 | | 4,4-Dimethyl-2-hexanone | C8H16O | 128.21 | | |
| 40239-27-8 | | 3-Propyl-2-hexanone | C9H18O | 142.24 | | |
| 40239-30-3 | | 4,6-Dimethyl-3-heptanone | C9H18O | 142.24 | | |
| 40239-63-2 | | 2,2-Dimethyl-4-ethyl-3-hexanone | C10H20O | 156.26 | | |
| 40239-75-6 | | 1-nitro-9(10h)-acridinon | | | | |
| 4024-05-9 | | (2R)-2-hydroxypropanimidamide hcl | C3H9ClN2O | 124.57 | | |
| 4024-14-0 | | 1-methyl-2-tetralone | C11H12O | 160.21 | | 105-107℃ |
| 4024-19-5 | | 1-Methoxy-4-vinyloxy-benzene | C9H10O2 | 150.18 | | |
| 4024-21-9 | | 1,4-Bis-vinyloxy-benzene | C10H10O2 | 162.18 | | |
| 4024-28-6 | | 5,6-dihydro-4h-imidazo[4,5,1-ij]quinolin-2(1h)-one | C10H10N2O | 174.20 | | |
| 4024-34-4 | | n,n-dimethyl-2-(alpha-(p-tolyl)benzyloxy)-ethylamin hydrochloride | | | | |
| 4024-72-0 | | 2-diazoquinone | | | | |
| 40240-12-8 | n-苄基-1,2,3,6-四氢吡啶 | 1-benzyl-1,2,3,6-tetrahydropyridine | C12H15N | 173.25 | | 255.8±9.0°C at 760 mmHg |
| 40240-24-2 | 1-苄基-5-甲基-1,2,3,6-四氢吡啶 | Pyridine, 1,2,3,6-tetrahydro-5-methyl-1-(phenylmethyl)- | C13H17N | 187.28 | | 270.2±9.0 °C(Predicted) |
| 40242-06-6 | 5-o-阿魏酰奎宁酸 | 5-o-feruloylquinic acid | C17H20O9 | 368.34 | | |
| 40242-35-1 | 17α-羟基-21-碘-16β-甲基孕甾-1,4,9-(11)-三烯-3,20-二酮 | 17-Hydroxy-21-iodo-16-methylpregna-1,4,9(11)-triene-3,20-dione | C22H27IO3 | 466.36 | | |
| 40244-29-9 | (E)-3-(2,6,6-三甲基-1-环己烯-1-基)-2-丙烯晴 | 2-Propenenitrile, 3-(2,6,6-trimethyl-1-cyclohexen-1-yl)-, | C12H17N | | | |
| 40244-90-4 | | chloro-diisopropyl-phosphine | C6H14ClP | 152.60 | | 69℃(33 t |
| 40245-26-9 | 8-喹啉羧酸甲酯 | Methyl8-quinolinecarboxylate | C11H9NO2 | 187.19 | | |
| 40246-10-4 | glycitein 7-o-β-glucoside | glycitin | C22H22O10 | 446.4 | | 751.1±60.0 °C(Predicted) |
| 40246-54-6 | | bis(2,2'-(methylimino)diethanol)-cobalt(2+ dichloride | | | | |
| 402469-62-9 | Nudaurine | | C19H21NO4 | 327.37 | | |
| 40247-47-0 | | 3-(pyridin-3-yl)pentan-3-ol | | | | |
| 40247-48-1 | 2-氟-3-异丙醇基吡啶 | 2-(2-fluoropyridin-3-yl)propan-2-ol | | | | |
| 402470-91-1 | n,n-二甲基-4-氧代-4-(对甲苯)丁酰胺 | n,n-dimethyl-4-oxo-4-(p-tolyl)butanamide | C13H17NO2 | 219.28 | | |
| 402473-54-5 | | ono-ae3-208 | C24H21FN2O3 | 404.43 | | |
| 402474-20-8 | | (+)-Ethyl(S)-2-amino-4-cyclohexylbutyrate hydrochloride | C12H23NO2 · HCl | 249.78 | | |
| 402479-93-0 | | 2-methyl-6-(trifluoromethyl)nicotinonitrile | C8H5F3N2 | 186.13 | | |
| 402479-94-1 | 2-甲基-6-三氟甲基烟肼 | 2-methyl-6-(trifluoromethyl)nicotinohydrazide | C8H8F3N3O | 219.16 | | |
| 402479-97-4 | | ethyl 5-cyano-6-methyl-2-piperazinonicotinate | | | | |
| 40248-23-5 | | 17-hydroxypregnanolone | | | | |
| 40248-34-8 | | 6-(trifluoroacetylamino)-1-hexanol | C8H14F3NO2 | 213.19 | 46-49℃ | |
| 40248-63-3 | 氧基乙酸 | (-)-menthoxyacetic acid | C12H22O3 | 214.31 | 52-55℃ | 113℃(0.1 |
| 40248-84-8 | 3-羟基苯硫酚 | 3-Hydroxythiophenol | C6H6OS | 126.18 | 16-17 °C(lit.) | 242-243 °C(lit.) |
| 402481-93-0 | | 2-(4-isopropylphenyl)quinoline-4-carbohydrazide | | | | |
| 402491-35-4 | 2'-脱氧腺苷-5'-二磷酸 三钠盐 | 2'-deoxyadenosine-5'-diphosphate trisodium salt | | | | |
| 402497-81-8 | | ac-phe(4-nh2)-oh | C11H14N2O3 | 222.24 | | |
| 4025-37-0 | 2-(氮丙环-1-基)乙胺 | 2-(Aziridin-1-yl)ethanamine | C4H10N2 | 86.14 | | |
| 4025-59-6 | | 5,6-beta-epoxy-5-beta-cholestan-3-beta-o | C27H46O2 | 402.66 | | |
| 4025-64-3 | 3-(氯磺酰基)苯甲酸 | 3-(chlorosulfonyl)-benzoic aci | C7H5ClO4S | 220.63 | | |
| 4025-67-6 | 4-羟基苯磺酰氯 | 4-hydroxybenzenesulfonyl chloride | C6H5ClO3S | 192.62 | | |
| 4025-71-2 | 2-苯基乙磺酰氯 | 2-phenylethanesulfonyl chloride | C8H9ClO2S | 204.67 | | |
| 4025-75-6 | 4-硝基-α-甲苯磺酰氯 | 4-nitro-alpha-toluenesulfonyl chloride | C7H6ClNO4S | 235.64 | 91-92°C | |
| 4025-77-8 | | Acetyl chloride,chlorosulfonyl- | C2H2Cl2O3S | 177.01 | 71-72 °C at 1 mmHg (lit.) | 71℃(1 to |
| 4025-80-3 | | 9-trioxa-5-aza-1-silabicyclo(3.3.3)undecane, 1-methoxy-8 | | | | |
| 402503-13-3 | 苯并呋喃-2-硼酸频那醇酯 | 2-(benzofuran-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | C14H17BO3 | 244.1 | | |
| 40251-61-4 | | 3-chloro-4-(trifluoromethoxy)benzamide | | | | |
| 402513-88-6 | 乙酰升麻新醇-3-o-α-l-阿拉伯糖苷 | acetylcimigenol arabinoside | C37H58O10 | 662.85 | | 748.5±60.0 °C(Predicted) |
| 40252-22-0 | | 2,3',4,5',6-pentaphenyl-3,4'-biphenyldiamine | | | | |
| 40252-74-2 | | Benzaldehyde,3-methoxy-,((3-methoxyphenyl)methylene)hydrazone | C16H16N2O2 | 268.31 | | |
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