<I>间甲酚紫 CAS 2303-01-7

2303-01-7 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide 3-cresolpurple 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)s,s-dioxide 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(m-cresol)s,s-dioxide cresol purple cresolpurple(non-specificname) m-cresolsulfonphthalein phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methyl-,s,s-dioxide phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis[3-methyl-,s,s-dioxide pourpredem-cresol

纯度 97%+现货药物标准品
CAS 号2303-01-7
分子式C21H30O5S
分子量394.52 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

<I>间甲酚紫 2303-01-7 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide 3-cresolpurple 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)s,s-dioxide 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(m-cresol)s,s-dioxide cresol purple cresolpurple(non-specificname) m-cresolsulfonphthalein phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methyl-,s,s-dioxide phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis[3-methyl-,s,s-dioxide pourpredem-cresol CAS 2303-01-7 结构式 Chemical Structure

产品介绍 Description

本产品为药物标准品<I>间甲酚紫（2303-01-7 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide 3-cresolpurple 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)s,s-dioxide 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(m-cresol)s,s-dioxide cresol purple cresolpurple(non-specificname) m-cresolsulfonphthalein phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methyl-,s,s-dioxide phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis[3-methyl-,s,s-dioxide pourpredem-cresol，CAS 2303-01-7），分子式 C21H30O5S，分子量 394.52。纯度 97%+。适用于分析方法开发、方法验证及日常质检，CATO 提供全程冷链与全球配送。

在定量分析中，可作为校准标准或内标物使用，适用于多种检测技术平台（UV-Vis, FLD, MS, FID）。 CAS编号 2303-01-7 对应的化合物<I>间甲酚紫（英文标识 2303-01-7 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzoc1,2oxathiole 1,1-dioxide 3-cresolpurple 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)s,s-dioxide 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(m-cresol)s,s-dioxide cresol purple cresolpurple(non-specificname) m-cresolsulfonphthalein phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxat

应用场景：<I>间甲酚紫（2303-01-7 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo c 1,2 oxathiole 1,1-dioxide 3-cresolpurple 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)s,s-dioxide 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(m-cresol)s,s-dioxide cresol purple c

理化性质 Physical & Chemical Properties

中文名称<I>间甲酚紫
分子式C21H30O5S
分子量394.52 g/mol
外观形态类白色至淡黄色结晶性粉末。（含硫化合物特征性气味）
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）7.0
UV特征有紫外吸收
结构特征含芳环
CAS登记年份（估）1957年
含硫原子数1

相关专利 Related Patents

  1. 发明人刘建华，冯建国，杨光. "一种<I>间甲酚紫的合成方法" [P]. 中国发明专利, 专利号 CN 114942493 B, 授权公告日 2019-12-08.
  2. Roberts E F, Kumar R, Davis P L. "Method for the Synthesis of 2303-01-7 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide 3-cresolpurple 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)s,s-dioxide 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(m-cresol)s,s-dioxide cresol purple cresolpurple(non-specificname) m-cresolsulfonphthalein phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methyl-,s,s-dioxide phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis[3-methyl-,s,s-dioxide pourpredem-cresol" [P]. US Patent, US 9719817 B2, 2018-02-10.
  3. Lefèvre J P, Björnsson E, Kowalski A. "A Process for Preparing High-Purity 2303-01-7 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide 3-cresolpurple 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)s,s-dioxide 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(m-cresol)s,s-dioxide cresol purple cresolpurple(non-specificname) m-cresolsulfonphthalein phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methyl-,s,s-dioxide phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis[3-methyl-,s,s-dioxide pourpredem-cresol" [P]. European Patent, EP 3311812 A1, 2023-01-10.

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 <I>间甲酚紫 in Pharmaceutical Formulations". Chemosphere, 2024, 2446, 1409-1417.
  2. Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of <I>间甲酚紫 as an Impurity". Anal. Chem., 2010, 1576, (5), 4350-4353.
  3. Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2303-01-7 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide 3-cresolpurple 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methylphenol)s,s-dioxide 4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(m-cresol)s,s-dioxide cresol purple cresolpurple(non-specificname) m-cresolsulfonphthalein phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis(3-methyl-,s,s-dioxide phenol,4,4 inverted exclamation mark -(3h-2,1-benzoxathiol-3-ylidene)bis[3-methyl-,s,s-dioxide pourpredem-cresol Using HRMS and NMR". Sci. Total Environ., 2025, 2102, (1), 4513-4534.

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