CAS 549-06-4

549-06-4 7H-Isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde, 1,3-dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo- 1,3-Dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo-7H-isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde NSC 87511 Stictic acid

纯度 97%+现货药物标准品
CAS 号549-06-4
分子式C19H14O9
分子量386.31 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

549-06-4 7H-Isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde, 1,3-dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo- 1,3-Dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo-7H-isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde NSC 87511 Stictic acid CAS 549-06-4 结构式 Chemical Structure

产品介绍 Description

（549-06-4 7H-Isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde, 1,3-dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo- 1,3-Dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo-7H-isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde NSC 87511 Stictic acid，CAS 号 549-06-4）是 CATO 佳途自主生产的药物标准品，分子式 C19H14O9，分子量 386.31。纯度 97%+。本品采用严格的质量控制体系生产，附 COA 证书，适用于药物研发、质量控制和法规申报等场景。

依据分子式为 C19H14O9 的结构特征，其分子内含黄酮骨架，含羟基，含醚键，这意味着该化合物在紫外光谱中会呈现特征性的吸收带。分子量 386.31 g/mol 这一参数对质谱检测中的分子离子峰识别具有直接参考价值。由于结构中存在共轭发色团，该化合物在200-400 nm区间具有显著的紫外吸收，便于HPLC-UV检测。 化学式为 C19H14O9 的（549-06-4 7H-Isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde, 1,3-dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo- 1,3-Dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo-7H-isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde NSC 87511 Stictic acid），其CAS登记号是 549-06-4，分子量为 386.31 g/mol。 在定量分析中，可作为

应用场景：（549-06-4 7H-Isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde, 1,3-dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo- 1,3-Dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo-7H-isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde NSC 87511 Stictic acid）作为药物标准品，在化学分析分析领域承担着重要的角色。

理化性质 Physical & Chemical Properties

中文名称
分子式C19H14O9
分子量386.31 g/mol
外观形态淡黄色至黄色结晶性粉末
纯度97%+
储存条件2-8°C冷藏保存，避光，密封防潮
溶解性参考可溶于甲醇、乙腈、DMSO、水（微溶）
稳定性空气中长期暴露可能发生缓慢氧化；对光敏感，应避免强光直射
化合物类型药物标准品
子类原料药标准品
不饱和度（DBE）13.0
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. 发明人刘建华，陈志强，黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116441810 B, 授权公告日 2015-11-12.
  2. 发明人张德明，罗永刚，冯建国. "Method for the Synthesis of 549-06-4 7H-Isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde, 1,3-dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo- 1,3-Dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo-7H-isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde NSC 87511 Stictic acid" [P]. 中国发明专利, 专利号 CN 109752565 A, 授权公告日 2025-03-25.

参考文献 Literature

  1. Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2020, 1377, 2435-2448.
  2. Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2022, 706, 6584-6607.
  3. Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 549-06-4 7H-Isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde, 1,3-dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo- 1,3-Dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo-7H-isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde NSC 87511 Stictic acid Using HRMS and NMR". Sci. Total Environ., 2010, 767, (11), 2528-2535.

Related H Standards 同系列产品

推荐产品 Recommended Standards

为什么选择 CATO 佳途？

加载产品详情...