| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 50-01-1 | 盐酸胍 | Guanidine hydrochloride; Guanidine,monohydrochloride (8CI,9CI); Buffer AL; Guanidine chloride; Guanidinehydrochloride; Guanidinium chloride; Guanidinium hydrochloride; |  | CH6ClN3 | 详情 | 供应商 |
| 50-14-6 | alpha-骨化醇; 维生素D2 | Vitamin D2; Calciferol; Ergocalciferol; Oleovitamin D2; 9,10-Secoergosta-5,7,10,22-tetraen-3-ol |  | C28H44O | 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 |
| 50-67-9 | 5-羟基色胺; 3-(2-氨基乙基)吲哚-5-醇 | 5-Hydroxytryptamine; 3-(2-Aminoethyl)-1H-indol-5-ol; 3-(2-Aminoethyl)indol-5-ol; Serotonin |  | C10H12N2O | 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 |
| 51-15-0 | 2-吡啶醛肟甲氯 | 2-Pyridinealdoxime methochloride; 2-PAM chloride; Pralidoxime chloride |  | C7H9ClN2O | 详情 | 供应商 |
| 51-20-7 | 5-溴尿嘧啶 | 5-Bromouracil; 5-Bromo-2,4(1H,3H)-pyrimidinedione; 5-Bromopyrimidine-2,4-diol |  | C4H3BrN2O2 | 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 |
| 51-61-6 | 多巴胺; 2-(3,4-二羟基苯基)乙胺 | Dopamine; 2-(3,4-Dihydroxyphenyl)ethylamine; 3,4-Dihydroxyphenethylamine; 3-Hydroxytyramine |  | C8H11NO2 | 详情 | 供应商 |
| 51-83-2 | 卡巴胆碱; 氯化铵甲酰胆碱; 氨甲酰胆碱盐酸盐; 卡巴可; (2-氨基甲酰氧乙基)三甲基氯化铵 | Carbachol; (2-Hydroxyethyl)trimethylammonium chloride carbamate; Carbamylcholine chloride |  | C6H15ClN2O2 | 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 |
| 52-86-8 | 氟哌啶醇; 1-(4-氟苯基)-4-[4-(4-氯苯基)-4-羟基-1-哌啶基]-1-丁酮 | Haloperidol; 4-[4-(4-Chlorophenyl)-4-hydroxy-1-piperidinyl]-1-(4-fluorophenyl)-1-butanone; 4-[4-(4-Chlorophenyl)-4-hydroxypiperidino]-4'-fluorobutyrophenone |  | C21H23ClFNO2 | 详情 | 供应商 |
| 53-86-1 | 吲哚美辛; 1-(4-氯苯甲酰基)-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 | 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 |
| 54-42-2 | 5-碘-2'-脱氧尿苷; 5-碘代-2'-脱氧尿嘧啶核苷; 碘苷 | (+)-5-Iodo-2'-deoxyuridine; 2'-Deoxy-5-iodouridine; Idoxuridine; IDU |  | C9H11IN2O5 | 详情 | 供应商 |
| 54-47-7 | 磷酸吡哆醛; 吡多醛-5-磷酸酯; 3-羟基-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 | 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 |
| 56-34-8 | 四乙基氯化铵 | Tetraethylammonium chloride; TEA chloride |  | C8H20ClN | 详情 | 供应商 |
| 56-37-1 | 苄基三乙基氯化铵 | Benzyltriethylammonium chloride; N,N,N'-Triethylbenzenemethanaminium chloride; BTEAC |  | C13H22ClN | 详情 | 供应商 |
| 56-40-6 | 甘氨酸 | Glycine; Aminoacetic acid; Gly; Iconyl; Monazol |  | C2H5NO2 | 详情 | 供应商 |
