| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 50-03-3 | 醋酸氢化可的松; 乙酸氢化可的松 | Hydrocortisone acetate; Cortisol acetate; Hydrocortisone-21-acetate; Cortisol 21-acetate; 21-Acetoxy-4-pregnene-11b,17a-diol-3,20-dione |  | C23H32O6 | 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 |
| 50-43-1 | 2,4,6-三氯苯甲酸 | 2,4,6-Trichlorobenzoic acid; 2,4,6-Trichlorobenzoicacid; |  | C7H3Cl3O2 | 详情 | 供应商 |
| 50-73-7 | 2,3,5-三氯苯甲酸 | 2,3,5-Trichlorobenzoic acid; 2,3,5-Trichlorobenzoicacid |  | C7H3Cl3O2 | 详情 | 供应商 |
| 50-74-8 | 2,3,4,5-四氯苯甲酸 | 2,3,4,5-Tetrachlorobenzoic acid; 2,3,4,5-Tetrachlorobenzoicacid |  | C7H2Cl4O2 | 详情 | 供应商 |
| 50-79-3 | 2,5-二氯苯甲酸 | 2,5-Dichlorobenzoic acid; 2,5-DICHLOROBENZOIC ACID; RARECHEM AL BO 0355; 2,5-dichloro-benzoicaci; 1,2-DICHLOROBENZENE PESTANAL; 2,5-Dichlorobenzoic acid, 98+%; Benzoic acid, 2,5-dichloro-; 2,5-Dichlorobenzoic acid ,99%; 2,5-Dichlorobenzoic acid,97% |  | C7H4Cl2O2 | 详情 | 供应商 |
| 50-82-8 | 2,4,5-三氯苯甲酸 | 2,4,5-Trichlorobenzoic acid; 2,4,5-Trichlorobenzoicacid |  | C7H3Cl3O2 | 详情 | 供应商 |
| 51-17-2 | 苯并咪唑 | Benzimidazole; 1,3-Benzodiazole |  | C7H6N2 | 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 |
| 51-21-8 | 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 | 详情 | 供应商 |
| 51-44-5 | 3,4-二氯苯甲酸 | 3,4-Dichlorobenzoic acid; 3,4-Dichlorobenzoicacid; NSC 17583; NSC 34414 |  | C7H4Cl2O2 | 详情 | 供应商 |
| 51-52-5 | 丙基硫氧嘧啶; 6-丙基-2-巯基-4-羟基嘧啶; 6-丙基-2-硫代-2,3-二氢-4(1H)-嘧啶酮 | Propylthiouracil; 6-Propyl-2-thiouracil; 2-Mercapto-6-propylpyrimid-4-one; 4-Hydroxy-2-mercapto-6-propylpyrimidine |  | C7H10N2OS | 详情 | 供应商 |
| 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]苯铵甲磺酸盐 | Neostigmine methyl sulfate; 3-[[(Dimethylamino)carbonyl]oxy]-N,N,N-trimethylbenzenaminium methyl sulfate |  | C13H22N2O6S | 详情 | 供应商 |
| 51-66-1 | 4'-甲氧基乙酰苯胺; 对甲氧基乙酰苯胺 | 4'-Methoxyacetanilide; Methacetin; N-(4-Methoxyphenyl)acetamide; p-Acetanisidine |  | C9H11NO2 | 详情 | 供应商 |
| 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 | 详情 | 供应商 |
| 51-78-5 | 4-氨基苯酚盐酸盐; 对氨基苯酚盐酸盐 | 4-Aminophenol hydrochloride; 4-Hydroxyaniline hydrochloride |  | C6H8ClNO | 详情 | 供应商 |
| 52-89-1 | L-半胱氨酸盐酸盐(无水物) | L-Cysteine hydrochloride; (r)-cysteinehydrochloride; (R)-Cysteine-hydrochloride; 3-Mercaptoalanine hydrochloride; Cystein chloride; Cysteine chlorhydrate; Cysteine chlorohydrate; Cysteine, hydrochloride, L-; cysteinechlorhydrate |  | C3H8ClNO2S | 详情 | 供应商 |
| 52-90-4 | L-半胱氨酸; L-beta-巯基丙氨酸 | L-Cysteine; (+)-2-Amino-3-mercaptopropionic acid; L-beta-Mercaptoalanine; CySH |  | C3H7NO2S | 详情 | 供应商 |
| 53-39-4 | 氧甲氢龙; 氧雄龙 | Oxandrolone; 17beta-Hydroxy-17-methyl-2-oxa-5alpha-androstan-3-one |  | C19H30O3 | 详情 | 供应商 |
| 53-41-8 | 雄酮 | Androsterone; 3alpha-Hydroxy-5alpha-androstan-17-one; cis-Androsterone; Androstan-3a-ol-17-one; 3a-Hydroxy-5a-androstan-17-one |  | C19H30O2 | 详情 | 供应商 |
