| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 498-81-7 | α,α-4-三甲基环己基甲醇 | .alpha.,.alpha.-4-trimethyl-Cyclohexanemethanol | C10H20O | | | |
| 498-83-9 | | 4-bromo-benzenesulfonyl fluoride | | | | |
| 498-89-5 | 5-氧代四氢呋喃-3-羧酸 | 5-oxotetrahydrofuran-3-carboxylic acid | | | | |
| 498-94-2 | 4-哌啶甲酸 | isonipecotic acid | C6H11NO2 | 129.1584 | 300℃ | |
| 498-95-3 | 3-哌啶甲酸 | nipecotic acid | C6H11NO2 | 129.16 | | |
| 498-96-4 | | guvacine | | | | |
| 4980-02-3 | | phosphorotetrathioic acid, 2-(diethylamino)ethyl dimethyl ester, oxalate (1:1) | | | | |
| 4980-53-4 | 2-甲基-2-丙烯酸-3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,16-十六烷基酯 | 2-Propenoic acid, 2-methyl-, 3,3,4,4,5,5,6,6,7,7, 8,8,9,9,10,10,11,11,12,12,13, 13,14,14,15,15,16, 16,16-nonacosafluorohexadecyl ester | C20H9F29O2 | | | |
| 4980-54-5 | 4-(1,1-二甲基乙基)苯甲酸锌盐 | Benzoic acid, 4-(1,1-dimethylethyl)-, zinc salt | C11H14O2·1/2Zn | | | |
| 49800-19-3 | | 1,2,3,4-tetrahydro-8-chloro-n-isopropyl-5-methoxy-1-naphthylamin hydrochlor | | | | |
| 49800-23-9 | (+/-)-1,2,3,4-四氢-1-萘胺盐酸盐 | | C10H14ClN | 183.68 | 185-187℃ | |
| 49800-56-8 | | 4-(5-fluoro-2-methoxyphenyl)-4-oxobutyric acid | | | | |
| 49801-14-1 | | (R)-(-)-1-(2-naphthyl)-1,2-ethanediol | | | 131-135℃ | |
| 49802-64-4 | | acetic acid, 2,2-diphenyl-2-methoxy-, 2-pyridylmethyl ester, hydrochloride | | | | |
| 49803-18-1 | | 2-(4-bromophenoxy)-2-methylpropanoyl chloride | | | | |
| 49803-30-7 | | 2-(1-ethyl-4(1h)-pyridinylidene)-3-indandione | | | | |
| 49803-32-9 | | 2-(1-(1-methylethyl)-4(1h)-pyridinylidene)-3-indandione | | | | |
| 49803-91-0 | | 6-ethoxy-2-methyl-hex-5-en-3-yn-2-o | | | | |
| 49803-93-2 | | 4-(3-methoxyprop-2-enylidene)-2,2,5,5-tetramethyl-3-dioxolane | | | | |
| 49804-47-9 | 4-甲基-2,6-二硝基-N-乙酰苯胺 | 2,6-Dinitro-4-methylacetanilide | C9H9N3O5 | 239.17 | | |
| 49805-30-3 | 2-氮杂双环[2,2,1]庚-5-烯-3-酮 | (+/-)-2-azabicyclo[2.2.1]hept-5-en-3-one | C6H7NO | 109.12 | 55-59℃ | 102-106℃ |
| 49805-32-5 | 顺式-3-氨基环戊烷甲酸 | cis-3-aminocyclopentanecarboxylic acid | | | | |
| 49805-43-8 | | (1z)-2-methylcyclohexanone oxime | | | | |
| 49805-55-2 | | 2-methyl-, oxime, (e)-butana | | | | |
| 49805-56-3 | | 2-methyl-, oxime, (z)-butana | | | | |
| 49806-90-8 | | piperidinium, 1-(3-benzyl-2-butenyl)-1-(carboxymethyl)-, chloride, methyl ester | | | | |
| 49806-91-9 | | piperidinium, 1-(3-benzyl-2-butenyl)-1-(carboxymethyl)-, chloride, ethyl ester | | | | |
| 49806-92-0 | | piperidinium, 1-(3-benzyl-2-butenyl)-1-(carboxymethyl)-, chloride, propyl ester | | | | |
| 49806-93-1 | | piperidinium, 1-(3-benzyl-2-butenyl)-1-(carboxymethyl)-, chloride, butyl ester | | | | |
| 49806-94-2 | | piperidinium, 1-(3-benzyl-2-butenyl)-1-(carboxymethyl)-, chloride, pentyl ester | | | | |
| 49806-95-3 | | piperidinium, 1-(3-benzyl-2-butenyl)-1-(carboxymethyl)-, chloride, hexyl ester | | | | |
| 49806-97-5 | | piperidinium, 1-(3-benzyl-2-butenyl)-1-(carboxymethyl)-, chloride, octyl ester | | | | |
| 49806-99-7 | | piperidinium, 1-(3-benzyl-2-butenyl)-1-(carboxymethyl)-, chloride, cyclohexyl e | | | | |
| 49808-20-0 | 6,6′-dithiodi-9h-purine | mercaptopurine impurity d | | | | |
| 49808-65-3 | | Phenyl-acetic acid cyanomethyl ester | C10H9NO2 | 175.18 | | |
| 49808-90-4 | | n-(2-(4-morpholinyl)ethyl)-2-phenoxy-acetamid | | | | |
| 49808-92-6 | | 2-(4-chlorophenoxy)-n-(2-(4-morpholinyl)ethyl)-acetamid | | | | |
| 49808-93-7 | | 2-(2,4-dichlorophenoxy)-n-(2-(4-morpholinyl)ethyl)-acetamid | | | | |
| 49809-03-2 | | 2-phenoxy-n-(2-(tetrahydro-1,4-oxazepin-4(5h)-yl)ethyl)-acetamid | | | | |
| 49809-04-3 | | 2-(4-chlorophenoxy)-n-(2-(tetrahydro-1,4-oxazepin-4(5h)-yl)ethyl)-acetamid | | | | |
| 49809-05-4 | | acetamide, 2-(2,4-dichlorophenoxy)-n-(2-(tetrahydro-1,4-oxazepin-4(5h)-yl)ethyl | | | | |
| 4981-10-6 | | 4-cyclohexanediamine, n,n'-bis(o-chlorophenethyl)- diacetate | | | | |
| 4981-24-2 | | 7,2-dioxathiastannecane-4,10-dione, 2,2-dibutyl-3 | | | | |
| 4981-47-9 | | n,n'-bis(butoxymethyl)-ure | | | | |
| 4981-63-9 | | 4'-chlorobutyrophenone | C10H11ClO | 182.64 | 36-39℃ | 253-254℃ |
| 4981-64-0 | | 1-(4-bromophenyl)-1-butanon | | | | |
| 4981-66-2 | | 9,10-anthracenediol | | | | |
| 4981-83-3 | | 2-(benzyloxyethyl) p-toluenesulfonate | | | | |
| 4981-85-5 | 1 - (2 - 苄氧基乙基)哌嗪 | 1-(2-benzyloxy-ethyl)-piperazine | | | | |
| 4981-92-4 | 1-苄基苯并咪唑 | 1-benzylbenzimidazole | | | | |
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