| 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 |
| 50-34-0 | 溴丙胺太林; 溴丙胺肽林; (2-羥乙基)二異丙基甲基溴化銨咕噸-9-羧酸酯 | Propantheline bromide; (2-Hydroxyethyl)diisopropylmethylammonium bromide xanthene-9-carboxylate |  | C23H30NO3.Br | 詳情 | 供應商 |
| 50-35-1 | 沙利度胺; 酞咪哌啶酮; N-(2,6-二氧代-3-哌啶基)-鄰苯二甲酰亞胺 | Thalidomide; 2-(2,6-Dioxo-3-piperidinyl)-1H-isoindole-1,3(2H)-dione |  | C13H10N2O4 | 詳情 | 供應商 |
| 50-48-6 | 阿米替林; 3-(10,11-二氫-5H-二苯并[a,d]環(huán)庚烯-5-亞基)-N,N-二甲基-1-丙胺 | Amitriptyline; 3-(10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene)-N,N-dimethyl-1-propanamine |  | C20H23N | 詳情 | 供應商 |
| 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 | 詳情 | 供應商 |
| 50-63-5 | 磷酸氯喹 | Chloroquine diphosphate; N-(7-Chloro-4-quinolinyl)-N,N-dimethyl-1,4-pentanediamine diphosphate salt |  | C18H26ClN3.2(H3PO4);C18H32ClN3O8P2 | 詳情 | 供應商 |
| 50-78-2 | 鄰乙酰水楊酸; 阿司匹林; 乙酰水楊酸; 2-(乙酰氧基)苯甲酸 | Acetylsalicylic acid; 2-Acetoxybenzoic acid; Aspirin |  | C9H8O4 | 詳情 | 供應商 |
| 50-85-1 | 4-甲基水楊酸 | 4-Methylsalicylic acid; 2-Hydroxy-4-methylbenzoic acid; 2-Hydroxy-p-toluic acid |  | C8H8O3 | 詳情 | 供應商 |
| 50-86-2 | 4-乙酰氨基水楊酸; 4-乙酰氨基-2-羥基苯甲酸 | 4-Acetamidosalicylic acid; 4-Acetamido-2-hydroxybenzoic acid |  | C9H9NO4 | 詳情 | 供應商 |
| 51-15-0 | 2-吡啶醛肟甲氯 | 2-Pyridinealdoxime methochloride; 2-PAM chloride; Pralidoxime chloride |  | C7H9ClN2O | 詳情 | 供應商 |
| 51-30-9 | 鹽酸異丙腎上腺素; 4-[(2-異丙氨基-1-羥基)乙基]-1,2-苯二酚鹽酸鹽 | Isoprenaline hydrochloride; 3,4-Dihydroxy-alpha-((isopropylamino)methyl)-benzyl alcohol hydrochloride; 4-(1-Hydroxy-2-((methylethyl)amino)ethyl)-1,2-benzenediol hydrochloride; Aludrine hydrochloride |  | C11H18ClNO3 | 詳情 | 供應商 |
| 51-35-4 | L-羥基脯氨酸; L-羥脯氨酸; 反式-4-羥基-L-脯氨酸 | L-Hydroxyproline; trans-4-Hydroxy-L-proline; (2S,4R)-(-)-4-Hydroxy-2-pyrrolinecarboxylic acid |  | C5H9NO3 | 詳情 | 供應商 |
| 51-43-4 | 腎上腺素; L-3,4-二羥基-alpha-((甲氨基)甲基)芐醇 | L(-)-Epinephrine; L-Adrenaline; L-3,4-Dihydroxy-alpha-(methylaminomethyl)benzyl alcohol |  | C9H13NO3 | 詳情 | 供應商 |
| 51-66-1 | 4'-甲氧基乙酰苯胺; 對甲氧基乙酰苯胺 | 4'-Methoxyacetanilide; Methacetin; N-(4-Methoxyphenyl)acetamide; p-Acetanisidine |  | C9H11NO2 | 詳情 | 供應商 |
| 51-78-5 | 4-氨基苯酚鹽酸鹽; 對氨基苯酚鹽酸鹽 | 4-Aminophenol hydrochloride; 4-Hydroxyaniline hydrochloride |  | C6H8ClNO | 詳情 | 供應商 |
| 54-21-7 | 水楊酸鈉; 鄰羥基苯甲酸鈉 | Sodium salicylate; Salicylic acid sodium salt; 2-Hydroxybenzoic acid sodium salt |  | C7H5NaO3 | 詳情 | 供應商 |
| 54-35-3 | 普魯卡因青霉素; 普魯卡因青霉素G; 普魯卡因芐青霉素 | Procaine penicillin G; Procaine benzylpenicillin |  | C16H18N2O4S.C13H20N2O2 | 詳情 | 供應商 |
| 55-06-1 | 三碘代甲狀腺素鈉鹽; L-三碘甲狀腺氨酸鈉; 3,3',5-三碘-L-甲腺原氨酸鈉鹽 | 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 | 詳情 | 供應商 |
| 55-10-7 | 3-甲氧基-4-羥基扁桃酸 | 4-Hydroxy-3-methoxymandelic acid; DL-4-Hydroxy-3-methoxymandelic acid; DL-Vanillomandelic acid; VMA |  | C9H10O5 | 詳情 | 供應商 |
| 55-22-1 | 異煙酸; 4-吡啶甲酸 | Isonicotinic acid; 4-Pyridinecarboxylic acid; Pyridine-4-carboxylic acid |  | C6H5NO2 | 詳情 | 供應商 |