| CAS登錄號 | 中文名 | 英文名 | 分子結構式 | 分子式 | 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 |
| 51-74-1 | 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 |
| 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 |
| 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 |
| 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 |
| 67-48-1 | 氯化膽堿; 2-羥乙基三甲基氯化銨 | Choline chloride; (2-Hydroxyethyl)trimethylammonium chloride; 2-Hydroxy-N,N,N-trimethylethanaminium chloride |  | C5H14ClNO | 詳情 | 供應商 |
| 68-94-0 | 次黃嘌呤; 6-羥基嘌呤 | Hypoxanthine; 6-Hydroxypurine; 1,7-Dihydro-6H-purin-6-one; Purin-6(1H)-one; 9H-Purin-6-ol; Purin-6-ol |  | C5H4N4O | 詳情 | 供應商 |
| 69-25-0 | 依來多辛 | Eledoisin; 5-Oxo-L-prolyl-L-prolyl-L-seryl-L-lysyl-L-aspartyl-L-alanyl-L-phenylalanyl-L-isoleucylglycyl-L-leucyl-L-methioninamide |  | C54H85N13O15S | 詳情 | 供應商 |
| 69-89-6 | 黃嘌呤; 2,6-二羥基嘌呤; 嘌呤-2(3H),6(1H)-二酮 | Xanthine; 2,6-Dihydroxypurine; Purine-2(3H),6(1H)-dione |  | C5H4N4O2 | 詳情 | 供應商 |
| 70-23-5 | 3-溴丙酮酸乙酯 | Ethyl bromopyruvate; Ethyl 3-bromopyruvate; Bromopyruvic acid ethyl ester |  | C5H7BrO3 | 詳情 | 供應商 |
| 70-26-8 | 鳥氨酸; 2,5-二氨基戊酸 | L-Ornithine; (S)-2,5-Diaminovaleric acid; 2,5-Diaminopentanoic acid |  | C5H12N2O2 | 詳情 | 供應商 |