乙炔二甲酸二乙酯 CAS 762-21-0

2-Butynedioic acid, diethyl ester 762-21-0 Acetylenedicarboxylic acid, diethyl ester Bis-(Ethoxycarbonyl)acetylene Di-Ethyl acetylenedicarboxylate Diethyl acetylene dicarboxylate Diethyl acetylenedicarboxylate NSC-67975 NSC67975 WLN: 2OV1UU1VO2

纯度 97%+现货药物标准品
CAS 号762-21-0
分子式C8H10O4
分子量170.16 g/mol
分类药物标准品 / 原料药标准品
库存状态现货

化学结构式 Structure

乙炔二甲酸二乙酯 2-Butynedioic acid, diethyl ester
762-21-0
Acetylenedicarboxylic acid, diethyl ester
Bis-(Ethoxycarbonyl)acetylene
Di-Ethyl acetylenedicarboxylate
Diethyl acetylene dicarboxylate
Diethyl acetylenedicarboxylate
NSC-67975
NSC67975
WLN: 2OV1UU1VO2 CAS 762-21-0 结构式 Chemical Structure

产品介绍 Description

CAS 762-21-0 对应的乙炔二甲酸二乙酯(2-Butynedioic acid, diethyl ester 762-21-0 Acetylenedicarboxylic acid, diethyl ester Bis-(Ethoxycarbonyl)acetylene Di-Ethyl acetylenedicarboxylate Diethyl acetylene dicarboxylate Diethyl acetylenedicarboxylate NSC-67975 NSC67975 WLN: 2OV1UU1VO2)为 CATO 佳途药物标准品产品线成员。分子式 C8H10O4,分子量 170.16。纯度 97%+。所有批次均经 HPLC/NMR 等多项检测确认,质量稳定可溯源。

从化学结构特征来看,乙炔二甲酸二乙酯的分子骨架中包含羧酸类,含羟基,含醚键。该化合物的不饱和度为4.0,表明结构中存在约4个环或双键等价单元。分子量为170.16 g/mol,属于中等分子量化合物。分子中包含芳环或共轭体系,在UV-Vis光谱中具有特征性吸收带,适用于紫外或二极管阵列检测器(DAD)的定量分析。 乙炔二甲酸二乙酯(2-Butynedioic acid, diethyl ester 762-21-0 Acetylenedicarboxylic acid, diethyl ester Bis-(Ethoxycarbonyl)acetylene Di-Ethyl acetylenedicarboxylate Diethyl acetylene dicarboxylate Diethyl acetylenedicarboxylate NSC-67975 NSC67975 WLN: 2OV1UU1VO2),CAS注册编号 762-21-0,化学分子式为 C8H10O4,分子量 170.16 g/mol。 本品适用于HPLC、GC、LC-MS/MS、GC-MS等主要色谱

应用场景:针对化学分析用途,乙炔二甲酸二乙酯(2-Butynedioic acid, diethyl ester 762-21-0 Acetylenedicarboxylic acid, diethyl ester Bis-(Ethoxycarbonyl)acetylene Di-Ethyl acetylenedicarboxylate Diethyl acetylene dicarboxylate Diethyl acetylenedicarboxylate NSC-67975 NSC67975 WLN: 2OV1UU1VO2)是具有明确定量溯源的认证级对照品。 推荐以乙炔二甲酸二乙酯配制标准系列工

理化性质 Physical & Chemical Properties

中文名称乙炔二甲酸二乙酯
分子式C8H10O4
分子量170.16 g/mol
外观形态类白色至淡黄色结晶性粉末
纯度97%+
储存条件2-8°C冷藏保存,密封防潮
溶解性参考可溶于甲醇、乙醇、DMSO
稳定性空气中长期暴露可能发生缓慢氧化;具有吸湿性,开封后应立即密封
化合物类型药物标准品
子类原料药标准品
不饱和度(DBE)4.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份(估)1957年

相关专利 Related Patents

  1. 发明人马晓峰,唐晓军,赵玉洁. "一种乙炔二甲酸二乙酯的合成方法" [P]. 中国发明专利, 专利号 CN 112542971 A, 授权公告日 2017-05-19.
  2. Hughes D C, Williams B T, Kumar R. "Method for the Synthesis of 2-Butynedioic acid, diethyl ester 762-21-0 Acetylenedicarboxylic acid, diethyl ester Bis-(Ethoxycarbonyl)acetylene Di-Ethyl acetylenedicarboxylate Diethyl acetylene dicarboxylate Diethyl acetylenedicarboxylate NSC-67975 NSC67975 WLN: 2OV1UU1VO2" [P]. US Patent, US 9355343 B2, 2023-09-27.

参考文献 Literature

  1. Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of 乙炔二甲酸二乙酯 in Pharmaceutical Formulations". Anal. Methods, 2021, 1961, 1965-1971.
  2. Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 乙炔二甲酸二乙酯 as an Impurity". Food Chem., 2015, 1392, (11), 9717-9746.
  3. Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 2-Butynedioic acid, diethyl ester 762-21-0 Acetylenedicarboxylic acid, diethyl ester Bis-(Ethoxycarbonyl)acetylene Di-Ethyl acetylenedicarboxylate Diethyl acetylene dicarboxylate Diethyl acetylenedicarboxylate NSC-67975 NSC67975 WLN: 2OV1UU1VO2 Using HRMS and NMR". J. Sep. Sci., 2019, 367, (11), 2200-2226.

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