| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 50-44-2 | 6-巯基嘌呤 | 6-Mercaptopurine; 1,7-Dihydro-6H-purine-6-thione; 3H-Purine-6-thiol; 6-Thioxopurine; 7-Mercapto-1,3,4,6-tetrazaindene |  | C5H4N4S | 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 |
| 50-56-6 | 缩宫素; 醋酸催产素 | Oxtocin; (2S)-1-[(4R,7S,10S,13S,16S,19R)-19-amino-13-[(2S)-butan-2-yl]-10-(2-carbamoylethyl)-7-(carbamoylmethyl)-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4 |  | C43H66N12O12S2 | 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 |
| 50-76-0 | 放线菌素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 | 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 |
| 50-89-5 | beta-胸苷; beta-胸甙; 胸腺嘧啶脱氧核苷; 2'-脱氧胸腺嘧啶核苷 | Thymidine; 1-(2-Deoxy-beta-D-ribofuranosyl)-5-methyluracil; 1-(2-Deoxy-beta-D-ribofuranosyl)thymine; Thymine deoxyriboside; 2'-Deoxythymidine; 5-Methyldeoxyuridine |  | C10H14N2O5 | 详情 | 供应商 |
| 51-17-2 | 苯并咪唑 | Benzimidazole; 1,3-Benzodiazole |  | C7H6N2 | 详情 | 供应商 |
| 51-28-5 | 2,4-二硝基酚; 2,4-二硝基苯酚 | 2,4-Dinitrophenol; alpha-Dinitrophenol |  | C6H4N2O5 | 详情 | 供应商 |
| 51-35-4 | L-羟基脯氨酸; L-羟脯氨酸; 反式-4-羟基-L-脯氨酸 | L-Hydroxyproline; trans-4-Hydroxy-L-proline; (2S,4R)-(-)-4-Hydroxy-2-pyrrolinecarboxylic acid |  | C5H9NO3 | 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 |
| 51-45-6 | 组胺; 1H-咪唑-4-乙胺 | Histamine; 1H-Imidazole-4-ethanamine; 2-(4-Imidazolyl)ethylamine; 4-(2-Aminoethyl)-1H-imidazole |  | C5H9N3 | 详情 | 供应商 |
| 51-48-9 | L-甲状腺素; O-(4-羟基-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 | 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 |
| 51-74-1 | 组胺磷酸盐; 磷酸组胺 | Histamine phosphate; 1H-Imidazole-4-ethanamine phosphate (1:2) |  | C5H9N3.2(H3PO4) | 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 |
| 55-03-8 | 左旋甲状腺素钠; 左甲状腺素钠 | Levothyroxine sodium; Sodium 4-O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-L-tyrosine |  | C15H10I4NNaO4 | 详情 | 供应商 |
| 55-06-1 | 三碘代甲状腺素钠盐; L-三碘甲状腺氨酸钠; 3,3',5-三碘-L-甲腺原氨酸钠盐 | 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 | 详情 | 供应商 |
| 55-55-0 | 4-甲氨基苯酚硫酸盐; N-甲基-4-氨基苯酚硫酸盐 | 4-Methylaminophenol sulfate; 4-(Methylamino)phenol sulfate (2:1 salt) |  | 2(C7H9NO).H2SO4 | 详情 | 供应商 |
| 56-04-2 | 甲基硫脲嘧啶; 甲基硫氧嘧啶; 4-羟基-2-巯基-6-甲基嘧啶 | Methylthiouracil; 6-Methyl-2-thiouracil; 4-Hydroxy-2-mercapto-6-methylpyrimidine; 6-Methyl-2-thioxo-2,3-dihydro-1H-pyrimidin-4-one |  | C5H6N2OS | 详情 | 供应商 |
