| CAS登錄號 | 中文名 | 英文名 | 分子結構式 | 分子式 | 詳情 | 供應商 |
| 50-00-0 | 甲醛; 福爾馬林 | Formaldehyde; Formalin; Methanal |  | CH2O | 詳情 | 供應商 |
| 50-02-2 | 地塞米松 | Dexamethasone; 9alpha-Fluoro-11beta,17alpha,21-trihydroxy-16alpha-methylpregn-1,4-diene-3,20-dione |  | C22H29FO5 | 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 |
| 50-41-9 | 枸櫞酸氯米芬; N,N-二乙基-2-[4-(1,2-二苯基-2-氯乙烯基)苯氧基]乙胺枸櫞酸鹽 | Clomifene citrate; 2-(4-[2-Chloro-1,2-diphenylethenyl]phenoxy)-N,N-diethylethanamine citrate |  | C32H36ClNO8 | 詳情 | 供應商 |
| 50-89-5 | beta-胸苷; beta-胸甙; 胸腺嘧啶脫氧核苷; 2'-脫氧胸腺嘧啶核苷 | Thymidine; 1-(2-Deoxy-beta-D-ribofuranosyl)-5-methyluracil; 1-(2-Deoxy-beta-D-ribofuranosyl)thymine; Thymine deoxyriboside; 2'-Deoxythymidine; 5-Methyldeoxyuridine |  | C10H14N2O5 | 詳情 | 供應商 |
| 50-91-9 | 5-氟-2'-脫氧脲核苷; 氟脲脫氧核苷 | Floxuridine; Fluorodeoxyuridine; Fluoruridine deoxyribose; 2'-Deoxy-5-fluorouridine; (+)-5-Fluoro-2'-deoxyuridine |  | C9H11FN2O5 | 詳情 | 供應商 |
| 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 | 詳情 | 供應商 |
| 51-60-5 | 甲磺酸新斯的明; 甲基硫酸新斯的明; N,N,N-三甲基-2-[(二甲氨基)甲酰氧基]苯銨甲磺酸鹽 | Neostigmine methyl sulfate; 3-[[(Dimethylamino)carbonyl]oxy]-N,N,N-trimethylbenzenaminium methyl sulfate |  | C13H22N2O6S | 詳情 | 供應商 |
| 51-65-0 | DL-4-氟苯丙氨酸; DL-對氟苯丙氨酸 | DL-4-Fluorophenylalanine; DL-3-(4-Fluorophenyl)alanine |  | C9H10FNO2 | 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 |
| 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 | 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 |
| 53-33-8 | 帕拉米松 | Paramethasone; 6a-Fluoro-11b,17a,21-trihydroxy-16a-methyl-1,4-pregnadiene-3,20-dione |  | C22H29FO5 | 詳情 | 供應商 |
| 53-34-9 | 氟潑尼龍; 6alpha-氟潑尼龍 | Fluprednisolone; 6a-Fluoroprednisolone |  | C21H27FO5 | 詳情 | 供應商 |
| 54-20-6 | 5-三氟甲基尿嘧啶 | Trifluorothymine; 5-(Trifluoromethyl)uracil; Trifluoromethyluracil |  | C5H3F3N2O2 | 詳情 | 供應商 |
| 54-31-9 | 呋噻米; 呋喃苯胺酸; 利尿磺胺; 2-(2-呋喃甲基)氨基-5-(磺酰氨基)-4-氯苯甲酸 | Furosemide; 5-(Aminosulfonyl)-4-chloro-2-((2-furanylmethyl)amino)benzoic acid; 4-Chloro-N-furfuryl-5-sulfamoylanthranilic acid; 2-Furfurylamino-4-chloro-5-sulfamoylbenzoic acid |  | C12H11ClN2O5S | 詳情 | 供應商 |
| 55-38-9 | 倍硫磷; O,O-二甲基-O-(3-甲基-4-甲硫基苯基)硫代磷酸酯 | Fenthion; O,O-Dimethyl O-3-methyl-4-methylthiophenyl phosphorothioate; O,O-Dimethyl O-(3-methyl-4-methylthiophenyl) thiophosphate |  | C10H15O3PS2 | 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 |
| 55-98-1 | 白消安 | Busulfan; Myleran; Busulfex; Busulphan; Tetramethylene bis(methanesulfonate); 1,4-Dimethanesulfonoxybutane; 1,4-Butanediol dimethanesulfonate |  | C6H14O6S2 | 詳情 | 供應商 |