| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 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 |
| 50-44-2 | 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 |
| 50-55-5 | 利血平 | Reserpine; 3b,20a-Yohimban-16b-CArboxylic acid, 18b-hydroxy-11,17a-dimethoxy- methyl ester 3,4,5-trimethoxybenzoate (ester)(8CI); 3b,20a-Yohimban-16b-CArboxylic acid,18b-hydroxy-11,17a-dimethoxy-, methyl ester, 3,4,5-trimethoxybenzoate(6CI); Benz[g]indolo[2,3-a]quinolizine, yohimban-16-CArboxylic acid deriv.; (-)-Reserpine; 11,17-Dimethoxy-18-[(3,4,5-trimethoxybenzoyl)oxy]yohimban-16-CArboxylic acidmethyl ester; 3,4,5-Trimethoxybenzoyl methyl reserpate; Anquil; Apoplon; Banasil; Bioserpine; CArpacil; Crystoserpine; Deserpine; ENT 50146; Elserpine; Eserpine; Eskaserp; Hiposerpil; Kitine; Lemiserp; Loweserp; Mayserpine; Methylreserpate 3,4,5-trimethoxybenzoate (ester); NSC 237659; NSC 59272; Quiescin; Rau-sed; RauCAp; Raulen; Raunervil; Raupasil; Raurine; Rausedil; Rausedyl; Rausingle; Rauwasedin; ReserCAps; Resercen; Reserlor; Reserpamed; Reserpex; Reserpic acid methyl ester 3,4,5-trimethoxybenzoate (ester); Reserpil; Reserpine; Reserpoid; Resine; Respital; Restran; Riserpa; Rivasin; Roxinoid; Sandril; Sedaraupin; Sedserp; Serfin; Serolfia; Serp-AFD; Serpaloid; Serpanray; Serpasil; Serpasil Serpasol; Serpasil premix; Serpasol; Serpate; Serpen; Serpentina; Serpicon; Serpiloid; Serpine; Serpine (pharmaceutiCAl); Serpipur; Sertabs; Sertina; T-Serp; Temposerpine; Triserpin; Vio-Serpine | ![]() | C33H40N2O9 | 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 |
| 50-82-8 | 2,4,5-三氯苯甲酸 | 2,4,5-Trichlorobenzoic acid; 2,4,5-TrichlorobenzoiCAcid | ![]() | C7H3Cl3O2 | 详情 | 供应商 |
| 51-05-8 | 盐酸普鲁卡因; 对氨基苯甲酸-2-二乙胺基乙酯盐酸盐 | ProCAine hydrochloride; 2-(Diethylamino)ethyl 4-aminobenzoate hydrochloride | ![]() | C13H21ClN2O2 | 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 |
| 51-79-6 | 氨基甲酸乙酯 | Urethane; Ethyl CArbamate; CArbamic acid ethyl ester; Ethylurethane | ![]() | C3H7NO2 | 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 |
| 52-01-7 | 螺内酯; 17beta-羟基-3-氧-7alpha-(乙酰硫基)-17alpha-孕甾-4-烯-21-羧酸-gamma-内酯 | Spironolactone; 17-Hydroxy-7-alpha-merCApto-3-oxo-17-alpha-pregn-4-ene-21-CArboxylic acid-gamma-lactone-7-acetate | ![]() | C24H32O4S | 详情 | 供应商 |
| 52-52-8 | 环亮氨酸; 1-氨基-1-环戊烷羧酸 | Cycloleucine; 1-Amino-1-cyclopentaneCArboxylic acid | ![]() | C6H11NO2 | 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 |
| 54-35-3 | 普鲁卡因青霉素; 普鲁卡因青霉素G; 普鲁卡因苄青霉素 | ProCAine penicillin G; ProCAine benzylpenicillin | ![]() | C16H18N2O4S.C13H20N2O2 | 详情 | 供应商 |
| 54-71-7 | 盐酸毛果芸香碱; (+)-毛果芸香碱盐酸盐; (3S,4R)-4,5-二氢-3-乙基-4-(1-甲基-1H-咪唑-5-基甲基)-2(3H)-呋喃酮 | (+)-PiloCArpine hydrochloride; (3S,4R)-4,5-Dihydro-3-ethyl-4-(1-methyl-1H-imidazol-5-ylmethyl)-2(3H)-furanone hydrochloride | ![]() | C11H17ClN2O2 | 详情 | 供应商 |
| 55-22-1 | 异烟酸; 4-吡啶甲酸 | Isonicotinic acid; 4-PyridineCArboxylic acid; Pyridine-4-CArboxylic acid | ![]() | C6H5NO2 | 详情 | 供应商 |
| 56-23-5 | 四氯化碳 | CArbon tetrachloride; Tetrachloromethane | ![]() | CCl4 | 详情 | 供应商 |