| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 50-00-0 | 甲醛; 福尔马林 | Formaldehyde; Formalin; Methanal |  | CH2O | 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 |
| 50-53-3 | 氯丙嗪; 3-(2-氯-10H-吩噻嗪-10-基)-N,N-二甲基丙-1-胺 | Chlorpromazine; 3-(2-Chloro-10H-phenothiazin-10-yl)-N,N-dimethylpropan-1-amine |  | C17H19ClN2S | 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 |
| 51-17-2 | 苯并咪唑 | Benzimidazole; 1,3-Benzodiazole |  | C7H6N2 | 详情 | 供应商 |
| 51-20-7 | 5-溴尿嘧啶 | 5-Bromouracil; 5-Bromo-2,4(1H,3H)-pyrimidinedione; 5-Bromopyrimidine-2,4-diol |  | C4H3BrN2O2 | 详情 | 供应商 |
| 51-21-8 | 5-氟脲嘧啶; 5-氟-2,4(1H,3H)-嘧啶二酮 | 5-Fluorouracil; 5-Fluoro-2,4(1H,3H)-pyrimidinedione; 5-Fluoro-2,4-pyrimidinedione; 5-Fluoropyrimidine-2,4-dione |  | C4H3FN2O2 | 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 |
| 51-56-9 | 氢溴酸后马托品; 后马托品氢溴酸盐; 8-甲基-8-氮杂双环[3.2.1]辛-3-醇alpha-羟基苯乙酸酯氢溴酸盐 | DL-Homatropine hydrobromide; alpha-Hydroxybenzeneacetic acid 8-methyl-8-azabicyclo[3.2.1]oct-3-yl ester hydrobromide |  | C16H22BrNO3 | 详情 | 供应商 |
| 51-66-1 | 4'-甲氧基乙酰苯胺; 对甲氧基乙酰苯胺 | 4'-Methoxyacetanilide; Methacetin; N-(4-Methoxyphenyl)acetamide; p-Acetanisidine |  | C9H11NO2 | 详情 | 供应商 |
| 51-71-8 | 苯乙肼 | Phenelzine; 2-Phenylethylhydrazine |  | C8H12N2 | 详情 | 供应商 |
| 51-78-5 | 4-氨基苯酚盐酸盐; 对氨基苯酚盐酸盐 | 4-Aminophenol hydrochloride; 4-Hydroxyaniline hydrochloride |  | C6H8ClNO | 详情 | 供应商 |
| 51-79-6 | 氨基甲酸乙酯 | Urethane; Ethyl carbamate; Carbamic acid ethyl ester; Ethylurethane |  | C3H7NO2 | 详情 | 供应商 |
| 52-52-8 | 环亮氨酸; 1-氨基-1-环戊烷羧酸 | Cycloleucine; 1-Amino-1-cyclopentanecarboxylic acid |  | C6H11NO2 | 详情 | 供应商 |
| 52-53-9 | 维拉帕米; 5-((3,4-二甲氧基苯乙基)甲基氨基)-2-(3,4-二甲氧基苯基)-2-异丙基戊腈 | Verapamil; (2R)-2-(3,4-Dimethoxyphenyl)-5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-isopropylpentanenitrile; 5-((3,4-Dimethoxyphenethyl)methylamino)-2-(3,4-dimethoxyphenyl)-2-isopropylvaleronitrile |  | C27H38N2O4 | 详情 | 供应商 |
| 52-67-5 | 青霉胺; D-青霉胺; 3,3-二甲基-D(-)-半胱胺酸 | D-(-)-Penicillamine; 3,3-Dimethyl-D(-)-cysteine |  | C5H11NO2S | 详情 | 供应商 |
| 53-43-0 | 去氢表雄酮; 脱氢表雄甾酮 | Dehydroepiandrosterone; DHEA; Prasterone; Androstenolone; Dehydroisoandrosterone; trans-Dehydroandrosterone; Hydroxyandrost-5-en-17-one |  | C19H28O2 | 详情 | 供应商 |
| 53-60-1 | 盐酸丙嗪; N,N-二甲基-10H-吩噻嗪-10-丙胺盐酸盐 | Promazine hydrochloride; N,N-Dimethyl-10H-phenothiazine-10-propanamine hydrochloride |  | C17H21ClN2S | 详情 | 供应商 |
| 54-20-6 | 5-三氟甲基尿嘧啶 | Trifluorothymine; 5-(Trifluoromethyl)uracil; Trifluoromethyluracil |  | C5H3F3N2O2 | 详情 | 供应商 |
| 54-21-7 | 水杨酸钠; 邻羟基苯甲酸钠 | Sodium salicylate; Salicylic acid sodium salt; 2-Hydroxybenzoic acid sodium salt |  | C7H5NaO3 | 详情 | 供应商 |
