| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 40497-31-2 | 2-氨基嘧啶-4,6-二醇 | | C4H5N3O2 | 127.10 | | |
| 40498-13-3 | 2,3-二氢化-1,4-二羟基-9,10-蒽二酮 | 10-Anthracenedione, 2,3-dihydro-1,4-dihydroxy-9 | C14H10O4 | | | |
| 40498-16-6 | | Potassium(-)589-tris(1,2-benzenediolato)arsenate(V)sesquihydrate | C36H30As2K2O15 | 930.65 | | |
| 40498-87-1 | | 2-a)pyrazine, octahydro-2-(2,2-diphenylethyl)-2h-pyrido( | | | | |
| 40498-88-2 | | 2-d)(1,4)diazepine, decahydro-3-(2,2-diphenylethyl)-pyrido( | | | | |
| 40498-89-3 | | 2-a)(1,4)diazepine, decahydro-2-(2,2-diphenylethyl)-pyrido( | | | | |
| 40499-78-3 | | 3,4-bis(4-methoxybenzoyl)-1,2,5-oxadiazole 2-oxide | C18H14N2O6 | 354.3136 | | 591.6 °C at 760 mmHg |
| 40499-83-0 | 3-羟基吡咯烷 | 3-pyrrolidinol | C4H9NO | 87.12 | | 108℃(8 t |
| 40499-89-6 | 2,7-萘啶-4-羧酸 | 2,7-Naphthyridine-4-carboxylic acid | C9H6N2O2 | 174.16 | | |
| 405-02-7 | | Benzenediazonium,3,4-dichloro-,tetrafluoroborate(1-) | C6H3BCl2F4N2 | 260.81 | | |
| 405-03-8 | | 3,4-difluorostyrene | C8H6F2 | 140.13 | | 146.5 °C at 760 mmHg |
| 405-04-9 | 3-氟-4-羟基苯腈 | 3-fluoro-4-hydroxybenzonitrile | C7H4FNO | 137.11 | 133-135°C | |
| 405-05-0 | | 3-fluoro-4-hydroxybenzaldehyde | C7H5FO2 | 140.11 | 121-124℃ | |
| 405-06-1 | | 3-Fluoro-4-methylanisole | C8H9FO | 140.16 | | 216.2°C |
| 405-09-4 | 2-氟-4-甲氧基苄醇 | 2-fluoro-4-methoxybenzyl alcohol | C8H9FO2 | 156.15 | | 232.7°C at 760 mmHg |
| 405-18-5 | 2-苯基乙烯磺酰氟 | 2-phenylethenesulfonyl fluoride | | | | |
| 405-22-1 | | 5-nitro-2-furaldehyd 2-(2-hydroxyethyl)semicarbazone | C8H10N4O5 | 242.19 | | |
| 405-24-3 | | 4-[(2-fluorobenzyl)oxy]benzoic acid | | | | |
| 405-30-1 | | sulfide, p-chlorobenzyl p-fluorophenyl | | | | |
| 405-31-2 | 双(4-氟苯基)二硫醚 | bis(4-fluorophenyl) disulfide | C12H8F2S2 | 254.31 | 49-51 °C | |
| 405-39-0 | | n(alpha),n(epsilon)-di-z-l-lysine | C22H26N2O6 | 414.45 | 76-78°C | |
| 405-40-3 | N-(3,3,3-三氟丙基)苯胺 | N-(3,3,3-Trifluoropropyl)aniline | C9H10F3N | 189.18 | | 101-103 °C |
| 405-41-4 | | alpha-methyl-phenethylamin hydrochloride | | | | |
| 405-43-6 | | 4-(2-chloro-1,1,2-trifluoroethoxy)-benzoic acid | | | | |
| 405-44-7 | | 2-chloro-1,1,2-trifluoroethyl 4-nitrophenyl ether | | | | |
| 405-46-9 | | (1S)-2-(4-chlorophenyl)-1-methylethylamine hydrochloride | | | | |
| 405-47-0 | | (1R)-2-(4-chlorophenyl)-1-methylethylamine hydrochloride | | | | |
| 405-50-5 | 4-氟苯乙酸 | p-fluoro phenylacetic acid | C8H7FO2 | 154.14 | 82-86℃ | 164℃(2.2 |
| 405-51-6 | 4-氟苯基醋酸盐 | Acetic Acid 4-Fluorophenyl Ester | C8H7FO2 | 154.14 | | 210℃ |
| 405-66-3 | | 4-Fluoro-N-methylbenzylamine | FC6H4CH2NHCH3 | 139.17 | | 180-181 ℃(lit.) |
| 405-67-4 | | n-ethyl-4-fluoro-benzenamine | C8H10FN | 139.17 | | 201.4°C |
| 405-68-5 | | p-fluoro-n-methyl-phenethylamin hydrochloride | | | | |
| 405-70-9 | | 1-(ethoxymethyl)-4-fluorobenzene | | | | |
| 405-78-7 | | (4-fluorophenoxy)acetyl chloride | | | | |
| 405-79-8 | 4-氟苯氧乙酸 | 4-fluorophenoxyacetic acid | C8H7FO3 | 170.14 | 103-106℃ | |
| 405-82-3 | | n,n-dimethyl-p-((alpha,alpha,alpha-trifluoro-p-tolyl)azo)-anilin | | | | |
| 405-85-6 | 4-[(3-氟苄基)氧基]苯甲酸 | 4-[(3-fluorobenzyl)oxy]benzoic acid | C14H11FO3 | 246.23 | | |
| 405-86-7 | | 4'-fluoro-n,n-dimethyl-4-stilbenamin | | | | |
| 405-99-2 | 对氟苯乙烯 | p-Fluorostyrene | C8H7F | 122.14 | -36--33°C | 145-148℃ |
| 4050-34-4 | 1,3-二甲基-2,5-二氢-1h-吡咯-2,5-二酮 | 1,3-Dimethyl-1H-pyrrole-2,5-dione | C6H7NO2 | 125.13 | | |
| 4050-45-7 | 反-2-己烯 | (E)-2-hexene | C6H12 | 84.16 | -98.5-69℃ | 68-69℃ |
| 4050-86-6 | | alpha-methyl-alpha'-propyl-4'-stilbenediol | | | | |
| 40500-01-4 | | tetrahydro-2h-pyran-2-ethanamine | C7H15NO | 129.20 | | |
| 40500-05-8 | 2-(4-四氢吡喃基)乙酰氯 | tetrahydro-2h-pyran-4-ylacetyl chloride | | | | |
| 40500-10-5 | 四氢-2H-吡喃-4-丙酸 | 3-(Tetrahydro-2H-pyran-4-yl)propanoic acid | C8H14O3 | 158.197 | | 297 °C |
| 40501-40-4 | | methyl 2'-hydroxy-[1,1'-biphenyl]-4-carboxylate | | | | |
| 40501-41-5 | | methyl 4'-hydroxy(1,1'-biphenyl)-4-carboxylate | C14H12O3 | 228.24 | | |
| 40502-68-9 | | beta-benzyl-alpha-butyl-4-methyl-alpha-phenyl-1-piperazinepropano dihydroch | | | | |
| 40502-69-0 | | beta-benzyl-alpha,4-dimethyl-alpha-phenyl-1-piperazinepropano propionate (e | | | | |
| 40502-70-3 | | beta-benzyl-alpha-cyclohexyl-4-methyl-alpha-phenyl-1-piperazinepropano dihy | | | | |
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