| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 434-16-2 | 3β-胆甾-5,7-二烯-3-醇 | 7-dien-3-ol, (3.beta.)-Cholesta-5 | C27H44O | 384.65 | 147-151℃ | |
| 434-18-4 | | 21-fluoro-pregn-4-ene-20-dione | | | | |
| 434-22-0 | 诺龙 | 17-beta-hydroxy-estr-4-en-3-on | C18H26O2 | 274.40 | | |
| 434-41-3 | | 3-chloroheptafluoro-2-butene | C4ClF7 | 216.48 | | 32℃ |
| 434-42-4 | (1-溴-2,2,2-三氟乙基)苯 | (1-bromo-2,2,2-trifluoroethyl)benzene | | | | |
| 434-43-5 | | alpha,alpha,beta-trimethyl-phenethylamin | | | | |
| 434-45-7 | 三氟苯丙酮 | 2,2,2-trifluoro-1-phenyl-ethanon | C8H5F3O | 174.12 | -40-166℃ | 165-166℃ |
| 434-64-0 | | octafluoro-toluen | C7F8 | 236.06 | -65.6℃ | 104℃ |
| 434-75-3 | 2-氯-6-氟苯甲酸 | 2-chloro-6-fluorobenzoic acid | C7H4ClFO2 | 174.56 | 156-160℃ | |
| 434-76-4 | 2-氨基-6-氟苯甲酸 | 2-amino-6-fluorobenzoic acid | C7H6FNO2 | 155.13 | 165-169℃ | |
| 434-84-4 | (9,9'-二蒽)-10,10'-(9H,9'H)-二酮 | (9,9'-Bianthracene)-10,10'(9H,9'H)-dione | | | | |
| 434-85-5 | 二蒽酮 | 10-(10-oxo-9(10h)-anthracenylidene)-9(10h)-anthracenon | C28H16O2 | 384.43 | 300℃ | |
| 434-90-2 | 十氟联苯 | decafluorobiphenyl | C12F10 | 334.12 | 66-70℃ | 206℃ |
| 4340-42-5 | 2-呋喃甲酰异氰酸 | 2-Furancarbonyl isocyanate | C6H3NO3 | 137.09 | | |
| 4341-02-0 | | [1,1'-biphenyl]-2,2'-dicarbonitrile | | | | |
| 4341-14-4 | | 3-(phenylmethyleneamino)-2-oxazolidon | | | | |
| 4341-20-2 | | 2-hydroxyethyl carbazate | | | | |
| 4341-24-6 | 5-甲基环己烷-1,3-二酮 | 5-methylcyclohexane-1,3-dione | | | 129-131℃ | |
| 4341-27-9 | | 5-triazine-2,4-diamine, 6,6'-(1,4-butanediyl)bis-3 | | | | |
| 4341-34-8 | 二(噻吩-2-基)甲烷 | di(thiophen-2-yl)methane | | | | |
| 4341-76-8 | 2-丁酸乙酯 | ethyl 2-butynoate | C6H8O2 | 112.13 | | 160℃(730 |
| 4342-03-4 | 达卡巴嗪 | 5-(3,3-dimethyl-1-triazeno)-imidazole-4-carboxamid | C6H10N6O | 182.18 | | |
| 4342-07-8 | | 4-amino-1h-1,2,3-triazole-5-carboxamide | | | | |
| 4342-08-9 | | 5-amino-1-benzyl-1h-1,2,3-triazole-4-carboxamide | C10H11N5O | 217.23 | | |
| 4342-30-7 | 水杨酸三丁基锡 | 2-[[(tributylstannyl)oxy]carbonyl]-Phenol | C19H32O3Sn | | | |
| 4342-33-0 | | tributyltin trichloroacetate | | | | |
| 4342-36-3 | (苯甲酰氧基)三丁基锡 | (benzoyloxy)tributyl-Stannane | C19H32O2Sn | 411.15 | | 166℃(1 t |
| 4342-40-9 | | HEXAMETHYLBENZENE-D18, 99 ATOM % D | C12D18 | 180.38 | | |
| 4342-46-5 | 4-甲氧基环己胺 | 4-methoxycyclohexylamine | | | | |
| 4342-49-8 | | 4-ethoxycyclohexanamine | | | | |
| 4342-60-3 | 4-甲基-3-环己烯-1-甲酸 | 4-methyl-3-cyclohexene-1-carboxylic acid | | | | |
| 4342-61-4 | 1,2-二氯-1,1,2,2-四甲基二硅烷 | 1,2-Dichloro, 1,1,2,2-Tetramethyldisilane | C4H12Cl2Si2 | 187.22 | | 148℃ |
| 434293-51-3 | | n-(4-iodo-2-isopropylphenyl)-2-methylbenzamide | | | | |
| 434297-53-7 | | 5-amino-2-(tetrahydro-2-furanylmethyl)-1h-isoindole-1,3(2h)-dione | | | | |
| 434299-46-4 | | 5-bromo-1-(2-oxo-2-pyrrolidin-1-ylethyl)-1h-indole-3-carbaldehyde | | | | |
| 4343-43-5 | | e)(1,4)diazepin-11-one, 5,10-dihydro-10-(2-(diethylamino)ethyl)-11h-dibenzo( | | | | |
| 4343-48-0 | | 4,4'-(1,4-piperazinediylbis(1-oxopropylene))bis(4-methyl-morpholiniu diiodi | | | | |
| 4343-68-4 | | Nitrosyl cyanide | CN2O | 56.02 | | |
| 4343-73-1 | 5-甲基-1H-1,2,3-三唑-4-羧酸乙酯 | Ethyl-5-methyl-1H-1,2,3-triazole-4-carboxylate | | | | |
| 4343-74-2 | | 2h-[1,2,3]triazole-4,5-dicarboxylic acid dimethyl ester | | | | |
| 4343-75-3 | 4-氨基-3-巯基-4h-1,2,4-三唑 | | | | | |
| 434303-01-2 | | [2-(2-bromo-4-methylphenoxy)ethyl](2-methoxyethyl)amine hydrochloride | | | | |
| 434303-68-1 | | 2-(4-bromo-2-methylphenoxy)-n-(3-chloro-4-methylphenyl)acetamide | | | | |
| 434305-75-6 | | 2-(4-bromo-2-methylphenoxy)-n-(4-chloro-2-methylphenyl)acetamide | | | | |
| 434307-26-3 | | (R)-cyclopropyl(phenyl)methanamine | | | | |
| 434309-05-4 | | {2-[(4-chlorophenyl)thio]ethyl}(2-methoxyethyl)amine hydrochloride | | | | |
| 434309-60-1 | | n-[2-(2-bromo-4-methylphenoxy)ethyl]-3-methoxy-1-propanamine hydrochloride | | | | |
| 434310-11-9 | | 2-(4-bromo-2-methylphenoxy)-n-1-naphthylacetamide | | | | |
| 434312-01-3 | | 2-({2-[(4-chlorophenyl)thio]ethyl}amino)ethanol hydrochloride | | | | |
| 434319-41-2 | 3-溴吡啶-2-甲酸乙酯 | ethyl 3-bromopyridine-2-carboxylate | | | | |
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