| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 50-35-1 | 沙利度胺; 酞咪哌啶酮; N-(2,6-二氧代-3-哌啶基)-邻苯二甲酰亚胺 | Thalidomide; 2-(2,6-Dioxo-3-piperidinyl)-1H-isoindole-1,3(2H)-dione | ![]() | C13H10N2O4 | 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 |
| 50-69-1 | D-核糖; 核糖 | D-Ribose; D(-)-Ribose | ![]() | C5H10O5 | 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 |
| 51-42-3 | 酒石酸肾上腺素; L-3,4-二羟基-alpha-((甲氨基)甲基)苄醇D-酒石酸氢盐 | Epinephrine bitartrate; (R)-4-[1-Hydroxy-2-(methylamino)ethyl]-1,2-Benzenediol [R-(R*,R*)]-2,3-dihydroxybutanedioate salt; L-3,4-Dihydroxy-alpha-(methylaminomethyl)benzyl alcohol D-hydrogen bitartrate salt | ![]() | C13H19NO9 | 详情 | 供应商 |
| 51-43-4 | 肾上腺素; L-3,4-二羟基-alpha-((甲氨基)甲基)苄醇 | L(-)-Epinephrine; L-Adrenaline; L-3,4-Dihydroxy-alpha-(methylaminomethyl)benzyl alcohol | ![]() | C9H13NO3 | 详情 | 供应商 |
| 51-49-0 | D-甲状腺素; 右旋甲状腺素; O-(4-羟基-3,5-二碘苯基)-3,5-二碘-D-酪氨酸 | D-Thyroxine; D-2-Amino-3-[4-(4-hydroxy-3,5-diiodo-phenoxy)-3,5-diiodo-phenyl]-propanoic acid | ![]() | C15H11I4NO4 | 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 |
| 51-65-0 | DL-4-氟苯丙氨酸; DL-对氟苯丙氨酸 | DL-4-Fluorophenylalanine; DL-3-(4-Fluorophenyl)alanine | ![]() | C9H10FNO2 | 详情 | 供应商 |
| 52-01-7 | 螺内酯; 17beta-羟基-3-氧-7alpha-(乙酰硫基)-17alpha-孕甾-4-烯-21-羧酸-gamma-内酯 | Spironolactone; 17-Hydroxy-7-alpha-mercapto-3-oxo-17-alpha-pregn-4-ene-21-carboxylic acid-gamma-lactone-7-acetate | ![]() | C24H32O4S | 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 |
| 52-53-9 | 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 |
| 52-90-4 | L-半胱氨酸; L-beta-巯基丙氨酸 | L-Cysteine; (+)-2-Amino-3-mercaptopropionic acid; L-beta-Mercaptoalanine; CySH | ![]() | C3H7NO2S | 详情 | 供应商 |
| 53-16-7 | 雌酚酮 | Estrone; 1,3,5(10)-Estratrien-3-ol-17-one; 3beta-Hydroxyestra-1,3,5(10)-trien-17-one; 3-Hydroxy-1,3,5(10)-estratrien-17-one; beta-Estrone | ![]() | C18H22O2 | 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 |
| 54-11-5 | 烟碱; 尼古丁 | L-Nicotine; (-)-1-Methyl-2-(3-pyridyl)pyrrolidine; 3-(1-Methyl-2-pyrrolidinyl)pyridine | ![]() | C10H14N2 | 详情 | 供应商 |
| 54-12-6 | DL-色氨酸; (+/-)-2-氨基-3-(3-吲哚基)丙酸 | DL-Tryptophan; (+/-)-2-Amino-3-(3-indolyl)propionic acid | ![]() | C11H12N2O2 | 详情 | 供应商 |