| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 50-14-6 | alpha-骨化醇; 维生素D2 | Vitamin D2; Calciferol; Ergocalciferol; Oleovitamin D2; 9,10-Secoergosta-5,7,10,22-tetraen-3-ol |  | C28H44O | 详情 | 供应商 |
| 50-18-0 | 环磷酰胺; P-[N,N-双(beta-氯乙基)]-1-氧-3-氮-2-磷杂环己烷-P-氧化物 | Cyclophosphamide; 1-(Bis(2-chloroethyl)amino)-1-oxo-2-aza-5-oxaphosphoridine; 2-(Di(2-chloroethyl)amino)-1-oxa-3-aza-2-phosphacyclohexane 2-oxide |  | C7H15Cl2N2O2P | 详情 | 供应商 |
| 50-21-5 | 乳酸; 2-羟基丙酸; alpha-羟基丙酸 | Lactic acid; DL-Lactic acid; 2-Hydroxypropanoic acid |  | C3H6O3 | 详情 | 供应商 |
| 50-34-0 | 溴丙胺太林; 溴丙胺肽林; (2-羟乙基)二异丙基甲基溴化铵咕吨-9-羧酸酯 | Propantheline bromide; (2-Hydroxyethyl)diisopropylmethylammonium bromide xanthene-9-carboxylate |  | C23H30NO3.Br | 详情 | 供应商 |
| 50-52-2 | 硫利达嗪; 甲硫达嗪; 10-[2-(1-甲基-2-哌啶基)乙基]-2-甲硫基-10H-吩噻嗪 | Thioridazine; 10-[2-(1-Methyl-2-piperidyl)ethyl]-2-methylthio-10H-phenothiazine |  | C21H26N2S2 | 详情 | 供应商 |
| 50-60-2 | 酚妥拉明; 3-[[(4,5-二氢-1H-咪唑-2-基)甲基](4-甲苯基)氨基]苯酚 | Phentolamine; 3-[(4,5-Dihydro-1H-imidazol-2-yl)methyl-(4-methylphenyl)-amino]phenol |  | C17H19N3O | 详情 | 供应商 |
| 50-65-7 | 氯硝柳胺; 2',5-二氯-4'-硝基水杨酸酰替苯胺; 4'-硝基-2',5-二氯水杨酰苯胺 | Niclosamide; Bayluscid; 2',5-Dichloro-4'-nitrosalicylanilide; 2-Hydroxy-5-chloro-N-(2-chloro-4-nitrophenyl)benzamide; 5-Chloro-2'-chloro-4'-nitrosalicylanilide; 5-Chloro-N-(2-chloro-4-nitrophenyl)salicylamide |  | C13H8Cl2N2O4 | 详情 | 供应商 |
| 50-85-1 | 4-甲基水杨酸 | 4-Methylsalicylic acid; 2-Hydroxy-4-methylbenzoic acid; 2-Hydroxy-p-toluic acid |  | C8H8O3 | 详情 | 供应商 |
| 50-86-2 | 4-乙酰氨基水杨酸; 4-乙酰氨基-2-羟基苯甲酸 | 4-Acetamidosalicylic acid; 4-Acetamido-2-hydroxybenzoic acid |  | C9H9NO4 | 详情 | 供应商 |
| 51-03-6 | 增效醚; 胡椒基丁醚; 3,4-亚甲二氧基-6-正丙基苄基正丁基二缩乙二醇醚 | Piperonyl butoxide; 2-(2-Butoxyethoxy)ethyl 6-propylpiperonyl ether; 4,5-Methylenedioxy-2-propylbenzyldiethyleneglycol butyl ether; PBO |  | C19H30O5 | 详情 | 供应商 |
| 51-15-0 | 2-吡啶醛肟甲氯 | 2-Pyridinealdoxime methochloride; 2-PAM chloride; Pralidoxime chloride |  | C7H9ClN2O | 详情 | 供应商 |
| 51-35-4 | L-羟基脯氨酸; L-羟脯氨酸; 反式-4-羟基-L-脯氨酸 | L-Hydroxyproline; trans-4-Hydroxy-L-proline; (2S,4R)-(-)-4-Hydroxy-2-pyrrolinecarboxylic acid |  | C5H9NO3 | 详情 | 供应商 |
| 51-52-5 | 丙基硫氧嘧啶; 6-丙基-2-巯基-4-羟基嘧啶; 6-丙基-2-硫代-2,3-二氢-4(1H)-嘧啶酮 | Propylthiouracil; 6-Propyl-2-thiouracil; 2-Mercapto-6-propylpyrimid-4-one; 4-Hydroxy-2-mercapto-6-propylpyrimidine |  | C7H10N2OS | 详情 | 供应商 |
| 51-55-8 | 阿托品; (8-甲基-8-氮杂双环[3.2.1]辛-3-基)endo-(+/-)-alpha-(羟甲基)苯乙酸酯 | Atropine; (8-Methyl-8-azabicyclo[3.2.1]oct-3-yl) 3-hydroxy-2-phenyl-propanoate |  | C17H23NO3 | 详情 | 供应商 |
| 51-71-8 | 苯乙肼 | Phenelzine; 2-Phenylethylhydrazine |  | C8H12N2 | 详情 | 供应商 |
| 51-77-4 | 吉法酯; [(2E)-3,7-二甲基辛-2,6-二烯基](4E,8E)-5,9,13-三甲基十四碳-4,8,12-三烯酸酯 | Gefarnate; [(2E)-3,7-Dimethylocta-2,6-dienyl] (4E,8E)-5,9,13-trimethyltetradeca-4,8,12-trienoate |  | C27H44O2 | 详情 | 供应商 |
| 51-83-2 | 卡巴胆碱; 氯化铵甲酰胆碱; 氨甲酰胆碱盐酸盐; 卡巴可; (2-氨基甲酰氧乙基)三甲基氯化铵 | Carbachol; (2-Hydroxyethyl)trimethylammonium chloride carbamate; Carbamylcholine chloride |  | C6H15ClN2O2 | 详情 | 供应商 |
| 52-51-7 | 2-溴-2-硝基-1,3-丙醇; 布罗波尔; 溴硝醇 | 2-Bromo-2-nitro-1,3-propanediol; Bronopol |  | C3H6BrNO4 | 详情 | 供应商 |
| 52-68-6 | 敌百虫; O,O-二甲基-(2,2,2-三氯-1-羟基乙基)磷酸酯 | Trichlorfon; Dipterex; Chlorophos; DEP; Metriphonate; O,O-Dimethyl-2,2,2-trichloro-1-hydroxy-ethyl-phosphonate ester |  | C4H8Cl3O4P | 详情 | 供应商 |
| 53-39-4 | 氧甲氢龙; 氧雄龙 | Oxandrolone; 17beta-Hydroxy-17-methyl-2-oxa-5alpha-androstan-3-one |  | C19H30O3 | 详情 | 供应商 |
