Sulfanilic acid azochromotrop CAS 23647-14-5

1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic acid trisodium salt 2-(4-Sulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid trisodium salt 2-(4-Sulfophenylazo)chromotropic acid trisodium salt 23647-14-5 4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalene disulfonic acid trisodium salt MFCD00003952 SPADNS Sulfanilic acid azochromotrop p-Sulfophenylazochromotropic acid trisodium salt

纯度 97%+现货药物标准品
CAS 号23647-14-5
分子式C16H25N2O11S3 3*Na
分子量N/A 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

Sulfanilic acid azochromotrop 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic acid trisodium salt 2-(4-Sulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid trisodium salt 2-(4-Sulfophenylazo)chromotropic acid trisodium salt 23647-14-5 4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalene disulfonic acid trisodium salt MFCD00003952 SPADNS Sulfanilic acid azochromotrop p-Sulfophenylazochromotropic acid trisodium salt CAS 23647-14-5 结构式 Chemical Structure

产品介绍 Description

本产品为药物标准品Sulfanilic acid azochromotrop（1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic acid trisodium salt 2-(4-Sulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid trisodium salt 2-(4-Sulfophenylazo)chromotropic acid trisodium salt 23647-14-5 4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalene disulfonic acid trisodium salt MFCD00003952 SPADNS Sulfanilic acid azochromotrop p-Sulfophenylazochromotropic acid trisodium salt，CAS 23647-14-5），分子式 C16H25N2O11S3 3*Na。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。

在质量保证方面，Sulfanilic acid azochromotrop的生产和定值严格遵循ISO 17034:2016（认证标准物质生产者）的要求。纯度定值采用质量平衡法和定量核磁共振（qNMR）等多种正交方法进行交叉验证，扩展不确定度报告为95%置信水平（k=2）。每个批次的均匀性和稳定性均经过独立的统计评估。 CAS编号 23647-14-5 对应的化合物Sulfanilic acid azochromotrop（英文标识 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic acid trisodium salt 2-(4-Sulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid trisodium salt 2-(4-Sulfophenylazo)chromotropic acid trisodium salt 23647-14-5 4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-nap

应用场景：在化学分析实验室中，Sulfanilic acid azochromotrop（CAS 23647-14-5）凭借其97%+的纯度做为基础物质，为定量分析提供基准参照。 推荐以Sulfanilic acid azochromotrop配制标准系列工作溶液，用于建立标准曲线实现外标法定量。 建议使用甲醇/乙腈（1:1）为溶剂配制储备溶液，根据检测灵敏度需求逐级稀释。 使用建议： - 称量前将样品在干燥器内平衡至室温（约30分钟）； - 储备溶液建议用甲醇/乙腈（1:1）配制，于阴凉处（≤25°C）保存，避光，密封防潮条件下储存； - 低浓度工作液（<10 μg/mL）建议当天配制使用

理化性质 Physical & Chemical Properties

中文名称Sulfanilic acid azochromotrop
分子式C16H25N2O11S3 3*Na
分子量540.55 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%+
储存条件阴凉处（≤25°C）保存，避光，密封防潮
溶解性参考可溶于DMSO、DMF、甲醇
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；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）5.5
UV特征有紫外吸收
结构特征含芳环
CAS登记年份（估）1963年
含氮原子数2
含硫原子数3

相关专利 Related Patents

  1. 发明人黄志刚，王建平，李文辉. "一种Sulfanilic acid azochromotrop的合成方法" [P]. 中国发明专利, 专利号 CN 113524016 A, 授权公告日 2020-12-13.
  2. 发明人何建平，冯建国，高志强. "Method for the Synthesis of 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic acid trisodium salt 2-(4-Sulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid trisodium salt 2-(4-Sulfophenylazo)chromotropic acid trisodium salt 23647-14-5 4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalene disulfonic acid trisodium salt MFCD00003952 SPADNS Sulfanilic acid azochromotrop p-Sulfophenylazochromotropic acid trisodium salt" [P]. 中国发明专利, 专利号 CN 113188839 A, 授权公告日 2024-04-10.
  3. 发明人朱建伟，胡光，赵玉洁. "A Process for Preparing High-Purity 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic acid trisodium salt 2-(4-Sulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid trisodium salt 2-(4-Sulfophenylazo)chromotropic acid trisodium salt 23647-14-5 4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalene disulfonic acid trisodium salt MFCD00003952 SPADNS Sulfanilic acid azochromotrop p-Sulfophenylazochromotropic acid trisodium salt" [P]. 中国发明专利, 专利号 CN 115740883 B, 授权公告日 2020-09-09.

参考文献 Literature

  1. Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of Sulfanilic acid azochromotrop in Pharmaceutical Formulations". Talanta, 2018, 115, (9), 2858-2870.
  2. Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of Sulfanilic acid azochromotrop as an Impurity". Chromatographia, 2020, 2250, (9), 8193-8210.
  3. Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 1,8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3,6-disulfonic acid trisodium salt 2-(4-Sulfophenylazo)-1,8-dihydroxy-3,6-naphthalene disulfonic acid trisodium salt 2-(4-Sulfophenylazo)chromotropic acid trisodium salt 23647-14-5 4,5-Dihydroxy-3-(4-sulfophenylazo)-2,7-naphthalene disulfonic acid trisodium salt MFCD00003952 SPADNS Sulfanilic acid azochromotrop p-Sulfophenylazochromotropic acid trisodium salt Using HRMS and NMR". Molecules, 2020, 1418, (6), 7130-7147.
  4. Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Sulfanilic acid azochromotrop Profile in Drug Substances According to ICH Guidelines". Food Chem., 2020, 910, 6078-6092.

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