The title compound, C6H4N2O4, is a new unsolvated form of pyrazine-2,3-dicarboxylic acid. The asymmetric unit contains two independent molecules with different geometry. The planes of the carboxylic groups make dihedral angles with the planar pyrazine rings of 22.7 (2) and 50.0 (2)° in one...
英文名 Pyrazine-2,3-dicarboxylic acid 类型 杂环化合物 CAS号 89-01-0 物理性质 M 168.1, m 183-185℃(dec), 187℃(dec), pK1 <-2.0, pK2 0.9, pK3 2.77 (2.20). 提纯方法 Crystallise the dicarboxylic acid from water and dry it at 100℃. The dimethyl ester has m 62-63℃(from ...
3) Pyrazine-2,3-dicarboxylic acid 2,3-吡嗪二羧酸 例句>> 4) Furo[3,4-b]pyrazine-5,7-dione 2,3-吡嗪二羧酸酐5) Pyrazine-2,3-carboxylamide-2-carboxylic acid ammonium 吡嗪-2,3-二羧酸酐6) 2,3-dicarboxypyrazine 吡嗪2,3二羧酸...
2,3-Pyrazinedicarboxylic acid Information Product name:2,3-Pyrazinedicarboxylic acid;pyrazine-2,3-dicarboxylic acid; CAS NO.:89-01-0 Molecular formula:C6H4N2O4 Molecular weight:168.10700 Precise quality:168.01700 Physicochemical properties Appearance:White to light brown crystalline powder ...
接收到2,3-Pyrazinedicarboxylic acid ≥99% (HPLC)产品后,置于4°C温度下保存。 其他 Usbiological公司是美国著名的抗体和生化试剂供应商,生产世界上种类最多的抗体,用于Western Blot、免疫沉淀、免疫荧光、免疫组化和流式细胞术等多种检测方法。Usbiological公司现已拥有超过50,19234种抗体、抗原和生化产品,为科研...
• 3-Methyl-2-Nitrobenzoic Acid • 3-Methyl-4-nitrobenzoic acid • 5-methyl-2-nitrobenzoic acid • 2,3-pyrazinedicarboxylic acid • Pyridine-2,3-dicarboxylic acid • 2-Chloronicotinic acid • 6-Chloronicotinic acid Others • Sodium polyanetholesulfonate • Sodium allylsulfonate •...
Pyrazine-2,3-dicarboxylic acid anhydride (180) serves as the basis for the preparation of a series of pyrrolo[3,4-b]pyrazine derivatives 〈89JSC233〉. Thus, treatment with a series of amino acids yields compounds of the type (181) (Equation (62)). (62) Intermolecular cycloaddition of et...
英文别名: sodium hydrogen pyrazine-2,3-dicarboxylate;2,3-Pyrazinedicarboxylic acid hydrogen 3-sodium salt中文名: 中文别名: CBNumber: CB8912978 分子式: C6H3N2NaO4 分子量: 190.08879 MOL File: 93778-20-2.mol 化学性质 安全信息 用途 供应商 0 sodium hydrogen pyrazine-2,3-dicarboxylate化学性质 ...
... 1,5-Diaminopentane1,5- 二氨基戊烷 2,3-Pyrazinedicarboxylic acid2,3- 吡嗪二羧酸 2,3-Butanedione2,3- 丁二酮 ... www.chemicalbook.com|基于40个网页 2. 英文名称 2,3-吡嗪二羧酸 CAS#: 89-01-0 ... 危险品标志 F,C 英文名称: 2,3-Pyrazinedicarboxylic acid 分子式: C6H4N2O4 ... ...
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