| CAS登錄號 | 中文名 | 英文名 | 分子結構式 | 分子式 | 詳情 | 供應商 |
| 50-14-6 | alpha-骨化醇; 維生素D2 | Vitamin D2; Calciferol; Ergocalciferol; Oleovitamin D2; 9,10-Secoergosta-5,7,10,22-tetraen-3-ol |  | C28H44O | 詳情 | 供應商 |
| 50-28-2 | 雌二醇 | Estradiol; 1,3,5-Estratriene-3,17beta-diol; 17beta-Estradiol; 3,17beta-Dihydroxy-1,3,5(10)-estratriene; Dihydrofolliculin |  | C18H24O2 | 詳情 | 供應商 |
| 50-70-4 | 山梨醇 | D-Sorbitol; D-Glucitol; Sorbitol BP |  | C6H14O6 | 詳情 | 供應商 |
| 50-76-0 | 放線菌素D; 更生霉素 | Actinomycin D; Dactinomycin; 2-Amino-N,N'-bis[hexadecahydro-2,5,9-trimethyl-6,13-bis(1-methylethyl)-1,4,7,11,14-pentaoxo-1H-pyrrolo[2,1-i][1,4,7,10,13]oxatetraazacyclohexadecin-10-yl]-4,6-dimethyl-3-oxo-3H-phenoxazi |  | C62H86N12O16 | 詳情 | 供應商 |
| 51-03-6 | 增效醚; 胡椒基丁醚; 3,4-亞甲二氧基-6-正丙基芐基正丁基二縮乙二醇醚 | Piperonyl butoxide; 2-(2-Butoxyethoxy)ethyl 6-propylpiperonyl ether; 4,5-Methylenedioxy-2-propylbenzyldiethyleneglycol butyl ether; PBO |  | C19H30O5 | 詳情 | 供應商 |
| 51-52-5 | 丙基硫氧嘧啶; 6-丙基-2-巰基-4-羥基嘧啶; 6-丙基-2-硫代-2,3-二氫-4(1H)-嘧啶酮 | Propylthiouracil; 6-Propyl-2-thiouracil; 2-Mercapto-6-propylpyrimid-4-one; 4-Hydroxy-2-mercapto-6-propylpyrimidine |  | C7H10N2OS | 詳情 | 供應商 |
| 51-55-8 | 阿托品; (8-甲基-8-氮雜雙環(huán)[3.2.1]辛-3-基)endo-(+/-)-alpha-(羥甲基)苯乙酸酯 | Atropine; (8-Methyl-8-azabicyclo[3.2.1]oct-3-yl) 3-hydroxy-2-phenyl-propanoate |  | C17H23NO3 | 詳情 | 供應商 |
| 51-56-9 | 氫溴酸后馬托品; 后馬托品氫溴酸鹽; 8-甲基-8-氮雜雙環(huán)[3.2.1]辛-3-醇alpha-羥基苯乙酸酯氫溴酸鹽 | DL-Homatropine hydrobromide; alpha-Hydroxybenzeneacetic acid 8-methyl-8-azabicyclo[3.2.1]oct-3-yl ester hydrobromide |  | C16H22BrNO3 | 詳情 | 供應商 |
| 51-68-3 | 氯酯醒; 對氯苯氧乙酸二甲胺基乙酯 | Meclofenoxate; 2-(Dimethylamino)ethyl (4-chlorphenoxy)acetate |  | C12H16ClNO3 | 詳情 | 供應商 |
| 52-24-4 | 三亞乙基硫代磷酰胺; N,N',N''-三乙撐硫代磷酰胺; 三乙烯硫代磷酰胺; 1,1',1"-硫次膦基三氮丙啶; 噻替哌; 塞替派 | Triethylenethiophosphoramide; N,N',N"-Triethylenethiophosphoramide; Thio-TEPA; Tris(1-aziridinyl)phosphine sulfide |  | C6H12N3PS | 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 |
| 52-90-4 | L-半胱氨酸; L-beta-巰基丙氨酸 | L-Cysteine; (+)-2-Amino-3-mercaptopropionic acid; L-beta-Mercaptoalanine; CySH |  | C3H7NO2S | 詳情 | 供應商 |
| 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 | 詳情 | 供應商 |
| 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 | 詳情 | 供應商 |
| 54-42-2 | 5-碘-2'-脫氧尿苷; 5-碘代-2'-脫氧尿嘧啶核苷; 碘苷 | (+)-5-Iodo-2'-deoxyuridine; 2'-Deoxy-5-iodouridine; Idoxuridine; IDU |  | C9H11IN2O5 | 詳情 | 供應商 |
| 54-47-7 | 磷酸吡哆醛; 吡多醛-5-磷酸酯; 3-羥基-2-甲基-5-[(磷酰氧基)甲基]-4-吡啶甲醛 | Pyridoxal phosphate; Pyridoxal 5'-(dihydrogen phosphate); 3-Hydroxy-2-methyl-5-[(phosphonooxy)methyl]-4-pyridinecarboxaldehyde |  | C8H10NO6P | 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 |
| 55-22-1 | 異煙酸; 4-吡啶甲酸 | Isonicotinic acid; 4-Pyridinecarboxylic acid; Pyridine-4-carboxylic acid |  | C6H5NO2 | 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 |