| CAS登錄號 | 中文名 | 英文名 | 分子結構式 | 分子式 | 詳情 | 供應商 |
| 50-44-2 | 6-巰基嘌呤 | 6-Mercaptopurine; 1,7-Dihydro-6H-purine-6-thione; 3H-Purine-6-thiol; 6-Thioxopurine; 7-Mercapto-1,3,4,6-tetrazaindene |  | C5H4N4S | 詳情 | 供應商 |
| 50-69-1 | D-核糖; 核糖 | D-Ribose; D(-)-Ribose |  | C5H10O5 | 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 |
| 51-45-6 | 組胺; 1H-咪唑-4-乙胺 | Histamine; 1H-Imidazole-4-ethanamine; 2-(4-Imidazolyl)ethylamine; 4-(2-Aminoethyl)-1H-imidazole |  | C5H9N3 | 詳情 | 供應商 |
| 51-74-1 | 組胺磷酸鹽; 磷酸組胺 | Histamine phosphate; 1H-Imidazole-4-ethanamine phosphate (1:2) |  | C5H9N3.2(H3PO4) | 詳情 | 供應商 |
| 51-75-2 | 氮芥; 雙(2-氯乙基)甲胺; N,N-二(2-氯乙基)甲胺 | bis-(2-chloroethyl)methylamine; Diethylamine,2,2'-dichloro-N-methyl- (8CI); 2,2'-Dichloro-N-methyldiethylamine; Bis(2-chloroethyl)methylamine; Bis(b-chloroethyl)methylamine; Chlorethazine; Chlormethine; Cloramin; Di(2-chloroethyl)methylamine; HN2; HN2 (amine); MBA; Mechlorethamine; Methyl-b,b-dichlorodiethylamine; Methylbis(2-chloroethyl)amine; Methylbis(b-chloroethyl)amine; Methyldi(2-chloroethyl)amine; Mustargen; Mustine; Mustine Note; N,N-Bis(2-chloroethyl)methylamine; N,N-Di(chloroethyl)methylamine; N-Methyl-2,2'-dichlorodiethylamine; N-Methylbis(2-chloroethyl)amine; N-Methylbis(b-chloroethyl)amine; NSC 128663; Nitrogen mustard (HN 2) |  | C5H11Cl2N | 詳情 | 供應商 |
| 52-67-5 | 青霉胺; D-青霉胺; 3,3-二甲基-D(-)-半胱胺酸 | D-(-)-Penicillamine; 3,3-Dimethyl-D(-)-cysteine |  | C5H11NO2S | 詳情 | 供應商 |
| 54-20-6 | 5-三氟甲基尿嘧啶 | Trifluorothymine; 5-(Trifluoromethyl)uracil; Trifluoromethyluracil |  | C5H3F3N2O2 | 詳情 | 供應商 |
| 54-96-6 | 3,4-二氨基吡啶 | 3,4-Diaminopyridine; 3,4-Diaminopyridine |  | C5H7N3 | 詳情 | 供應商 |
| 55-86-7 | 恩比興; 鹽酸氮芥; 氮芥鹽酸鹽 | Chlormethine hydrochloride; Mechlorethamine hydrochloride; Bis(2-chloroethyl)methylamine hydrochloride; 2-Chloro-N-(2-chloroethyl)-N-methylethanamine hydrochloride |  | C5H12Cl3N | 詳情 | 供應商 |
| 56-04-2 | 甲基硫脲嘧啶; 甲基硫氧嘧啶; 4-羥基-2-巰基-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 | 詳情 | 供應商 |
| 56-85-9 | L-谷氨酰胺 | L-Glutamine; 2-Aminoglutaramic acid; Levoglutamide; L(+)-Glutamic acid-5-amide |  | C5H10N2O3 | 詳情 | 供應商 |
| 56-86-0 | 谷氨酸; L-谷氨酸; alpha-氨基戊二酸; 麩氨酸 | L-Glutamic acid; L(+)-Glutamic acid; 2-Aminoglutaric acid |  | C5H9NO4 | 詳情 | 供應商 |
| 56-92-8 | 組胺二鹽酸鹽; 組胺雙鹽酸鹽 | Histamine dihydrochloride; 2-(4-Imidazolyl)ethylamine dihydrochloride; 2-(1H-Imidazol-4-yl)ethylamine dihydrochloride |  | C5H11Cl2N3 | 詳情 | 供應商 |
| 58-86-6 | 木糖; 五碳醛糖 | D(+)-Xylose; Wood sugar |  | C5H10O5 | 詳情 | 供應商 |
| 59-51-8 | DL-蛋氨酸; DL-2-氨基-4-甲硫基丁酸 | DL-Methionine; DL-2-Amino-4-(methylthio)butyric acid; Acimetion |  | C5H11NO2S | 詳情 | 供應商 |
| 60-51-5 | 樂果; O,O-二甲基-S-(甲基氨基甲酰甲基)二硫代磷酸酯 | Dimethoate; O,O-Dimethyl methylcarbamoylmethyl phosphorodithioate; O,O-Dimethyl S-(N-methylcarbamoylmethyl) phosphorodithioate; Phosphorodithioic acid O,O-dimethyl S-(2-(methylamino)-2-oxoethyl) ester; Cygon; Def |  | C5H12NO3PS2 | 詳情 | 供應商 |
| 63-68-3 | L-蛋氨酸; L-甲硫氨酸; L-2-氨基-4-甲硫基丁酸 | L-Methionine; L-2-Amino-4-(methylthio)butyric acid |  | C5H11NO2S | 詳情 | 供應商 |
| 65-71-4 | 5-甲基脲嘧啶; 2,4-二羥基-5-甲基嘧啶 | Thymine; 5-Methyluracil; 2,4-Dihydroxy-5-methylpyrimidine; 5-Methyluracil |  | C5H6N2O2 | 詳情 | 供應商 |
| 65-86-1 | 乳清酸; 1,2,3,6-四氫-2,6-二氧代-4-嘧啶羧酸 | Orotic acid; 1,2,3,6-Tetrahydro-2,6-dioxo-4-pyrimidinecarboxylic acid; 2,6-Dihydroxypyrimidine-4-carboxylic acid; 6-Carboxy-2,4-dihydroxypyrimidine; 6-Carboxyuracil; Uracil-6-carboxylic acid |  | C5H4N2O4 | 詳情 | 供應商 |