| CAS登錄號 | 中文名 | 英文名 | 分子結構式 | 分子式 | 詳情 | 供應商 |
| 50-35-1 | 沙利度胺; 酞咪哌啶酮; N-(2,6-二氧代-3-哌啶基)-鄰苯二甲酰亞胺 | Thalidomide; 2-(2,6-Dioxo-3-piperidinyl)-1H-isoindole-1,3(2H)-dione |  | C13H10N2O4 | 詳情 | 供應商 |
| 50-63-5 | 磷酸氯喹 | Chloroquine diphosphate; N-(7-Chloro-4-quinolinyl)-N,N-dimethyl-1,4-pentanediamine diphosphate salt |  | C18H26ClN3.2(H3PO4);C18H32ClN3O8P2 | 詳情 | 供應商 |
| 50-65-7 | 氯硝柳胺; 2',5-二氯-4'-硝基水楊酸酰替苯胺; 4'-硝基-2',5-二氯水楊酰苯胺 | 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 | 詳情 | 供應商 |
| 50-71-5 | 阿脲; 四氧嘧啶 | Alloxan; 2,4,5,6(1H,3H)-Pyrimidinetetraone |  | C4H2N2O4 | 詳情 | 供應商 |
| 50-78-2 | 鄰乙酰水楊酸; 阿司匹林; 乙酰水楊酸; 2-(乙酰氧基)苯甲酸 | Acetylsalicylic acid; 2-Acetoxybenzoic acid; Aspirin |  | C9H8O4 | 詳情 | 供應商 |
| 50-86-2 | 4-乙酰氨基水楊酸; 4-乙酰氨基-2-羥基苯甲酸 | 4-Acetamidosalicylic acid; 4-Acetamido-2-hydroxybenzoic acid |  | C9H9NO4 | 詳情 | 供應商 |
| 51-48-9 | L-甲狀腺素; O-(4-羥基-3,5-二碘苯基)-3,5-二碘-L-酪氨酸 | L-Thyroxine; 3,3',5,5'-Tetraiodo-L-thyronine; 3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-L-alanine; L-2-Amino-3-[4-(4-hydroxy-3,5-diiodo-phenoxy)-3,5-diiodo-phenyl]-propanoic acid |  | C15H11I4NO4 | 詳情 | 供應商 |
| 51-49-0 | D-甲狀腺素; 右旋甲狀腺素; O-(4-羥基-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 | 詳情 | 供應商 |
| 51-74-1 | 組胺磷酸鹽; 磷酸組胺 | Histamine phosphate; 1H-Imidazole-4-ethanamine phosphate (1:2) |  | C5H9N3.2(H3PO4) | 詳情 | 供應商 |
| 52-01-7 | 螺內酯; 17beta-羥基-3-氧-7alpha-(乙酰硫基)-17alpha-孕甾-4-烯-21-羧酸-gamma-內酯 | Spironolactone; 17-Hydroxy-7-alpha-mercapto-3-oxo-17-alpha-pregn-4-ene-21-carboxylic acid-gamma-lactone-7-acetate |  | C24H32O4S | 詳情 | 供應商 |
| 52-51-7 | 2-溴-2-硝基-1,3-丙醇; 布羅波爾; 溴硝醇 | 2-Bromo-2-nitro-1,3-propanediol; Bronopol |  | C3H6BrNO4 | 詳情 | 供應商 |
| 52-53-9 | 維拉帕米; 5-((3,4-二甲氧基苯乙基)甲基氨基)-2-(3,4-二甲氧基苯基)-2-異丙基戊腈 | 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 | 詳情 | 供應商 |
| 52-68-6 | 敵百蟲; O,O-二甲基-(2,2,2-三氯-1-羥基乙基)磷酸酯 | Trichlorfon; Dipterex; Chlorophos; DEP; Metriphonate; O,O-Dimethyl-2,2,2-trichloro-1-hydroxy-ethyl-phosphonate ester |  | C4H8Cl3O4P | 詳情 | 供應商 |
| 53-86-1 | 吲哚美辛; 1-(4-氯苯甲�；�)-5-甲氧基-2-甲基-1H-吲哚-3-乙酸 | Indometacin; 1-(4-Chlorobenzoyl)-5-methoxy-2-methyl-1H-indole-3-acetic acid |  | C19H16ClNO4 | 詳情 | 供應商 |
| 54-35-3 | 普魯卡因青霉素; 普魯卡因青霉素G; 普魯卡因芐青霉素 | Procaine penicillin G; Procaine benzylpenicillin |  | C16H18N2O4S.C13H20N2O2 | 詳情 | 供應商 |
| 55-03-8 | 左旋甲狀腺素鈉; 左甲狀腺素鈉 | Levothyroxine sodium; Sodium 4-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine |  | C15H10I4NNaO4 | 詳情 | 供應商 |
| 55-06-1 | 三碘代甲狀腺素鈉鹽; L-三碘甲狀腺氨酸鈉; 3,3',5-三碘-L-甲腺原氨酸鈉鹽 | Liothyronine sodium; 3,3',5-Triiodo-L-thyronine sodium salt; Sodium (2S)-2-amino-3-[4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl]propanoate |  | C15H11I3NNaO4 | 詳情 | 供應商 |
| 55-48-1 | 硫酸阿托品; (8-甲基-8-氮雜雙環(huán)[3.2.1]辛-3-基)3-羥基-2-苯基-丙酸酯硫酸鹽 | Atropine sulfate; (8-Methyl-8-azabicyclo[3.2.1]oct-3-yl) 3-hydroxy-2-phenyl-propanoate sulphate |  | 2(C17H23NO3).H2SO4 | 詳情 | 供應商 |
| 55-55-0 | 4-甲氨基苯酚硫酸鹽; N-甲基-4-氨基苯酚硫酸鹽 | 4-Methylaminophenol sulfate; 4-(Methylamino)phenol sulfate (2:1 salt) |  | 2(C7H9NO).H2SO4 | 詳情 | 供應商 |
| 56-25-7 | 斑蝥素; 六氫-3a,7a-二甲基-4,7-環(huán)氧異苯并呋喃-1,3-二酮 | Cantharidin; Dimethyl-3,6-epoxyperhydrophthalic anhydride; (1R,2S,3R,6S)-1,2-Dimethyl-3,6-epoxycyclohexane-1,2-dicarboxylic anhydride |  | C10H12O4 | 詳情 | 供應商 |