CAS 75-10-5

77JW9K722X 75-10-5 Difluoromethane Methane, difluoro- R 32 (refrigerant) Carbon fluoride hydride EINECS 200-839-4 Freon 32 Genetron 32 HFC 32 Khladon 32 [Russian] Methylene difluoride Khladon 32 HFC-32 UNII-77JW9K722X EC 200-839-4 HSDB 8300 Difluoromethane or Refrigerant gas R 32 [UN3252] [Flammable gas] UN3252 Difluoromethane or Refrigerant gas R 32

纯度 97%+现货药物标准品
CAS 号75-10-5
分子式C6H6O3
分子量126.11 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

77JW9K722X 75-10-5 Difluoromethane Methane, difluoro- R 32 (refrigerant) Carbon fluoride hydride EINECS 200-839-4 Freon 32 Genetron 32 HFC 32 Khladon 32 [Russian] Methylene difluoride Khladon 32 HFC-32 UNII-77JW9K722X EC 200-839-4 HSDB 8300 Difluoromethane or Refrigerant gas R 32 [UN3252] [Flammable gas] UN3252 Difluoromethane or Refrigerant gas R 32 CAS 75-10-5 结构式 Chemical Structure

产品介绍 Description

CATO 佳途供应的（77JW9K722X 75-10-5 Difluoromethane Methane, difluoro- R 32 (refrigerant) Carbon fluoride hydride EINECS 200-839-4 Freon 32 Genetron 32 HFC 32 Khladon 32 [Russian] Methylene difluoride Khladon 32 HFC-32 UNII-77JW9K722X EC 200-839-4 HSDB 8300 Difluoromethane or Refrigerant gas R 32 [UN3252] [Flammable gas] UN3252 Difluoromethane or Refrigerant gas R 32）为药物标准品，CAS 登记号 75-10-5，分子式 C6H6O3，分子量 126.11。纯度 97%+。产品现货库存充足，可提供定制化规格与批次追踪服务。

在现行药典和法规框架下，药物标准品的合规要求中明确涉及对包括在内的目标物的控制。 CAS编号 75-10-5 对应的化合物（英文标识 77JW9K722X 75-10-5 Difluoromethane Methane, difluoro- R 32 (refrigerant) Carbon fluoride hydride EINECS 200-839-4 Freon 32 Genetron 32 HFC 32 Khladon 32 Russian Methylene difluoride Khladon 32 HFC-32 UNII-77JW9K722X EC 200-839-4 HSDB 8300 Difluoromethane or Refrigerant gas R 32 UN3252 Flammable gas UN3252 Difluoromethane or Refrigerant gas R 32），化学式 C6H6O3，相对分子质量 126.11。 依据分子式为 C6H6O3 的结构特征，其分子内含羧酸类，含羟基，含醚键，这意味着该化合物在紫外光谱中

应用场景：（77JW9K722X 75-10-5 Difluoromethane Methane, difluoro- R 32 (refrigerant) Carbon fluoride hydride EINECS 200-839-4 Freon 32 Genetron 32 HFC 32 Khladon 32 Russian Methylene difluoride Khladon 32 HFC-32 UNII-77JW9K722X EC 200-839-4 HSDB 8300 Difluoromethane or Refrigerant gas R 32 UN3252 Flammabl

理化性质 Physical & Chemical Properties

中文名称
分子式C6H6O3
分子量126.11 g/mol
外观形态类白色至淡黄色液体
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、水
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. Patel M V, Stevens L M, Schröder R. "一种的合成方法" [P]. US Patent, US 9535975 B2, 2016-02-20.
  2. 发明人钱学锋，王建平，郭海燕. "Method for the Synthesis of 77JW9K722X 75-10-5 Difluoromethane Methane, difluoro- R 32 (refrigerant) Carbon fluoride hydride EINECS 200-839-4 Freon 32 Genetron 32 HFC 32 Khladon 32 [Russian] Methylene difluoride Khladon 32 HFC-32 UNII-77JW9K722X EC 200-839-4 HSDB 8300 Difluoromethane or Refrigerant gas R 32 [UN3252] [Flammable gas] UN3252 Difluoromethane or Refrigerant gas R 32" [P]. 中国发明专利, 专利号 CN 113298101 B, 授权公告日 2017-12-25.
  3. 发明人钱学锋，高志强，周伟. "A Process for Preparing High-Purity 77JW9K722X 75-10-5 Difluoromethane Methane, difluoro- R 32 (refrigerant) Carbon fluoride hydride EINECS 200-839-4 Freon 32 Genetron 32 HFC 32 Khladon 32 [Russian] Methylene difluoride Khladon 32 HFC-32 UNII-77JW9K722X EC 200-839-4 HSDB 8300 Difluoromethane or Refrigerant gas R 32 [UN3252] [Flammable gas] UN3252 Difluoromethane or Refrigerant gas R 32" [P]. 中国发明专利, 专利号 CN 109058003 B, 授权公告日 2017-11-09.

参考文献 Literature

  1. Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2017, 587, (5), 5044-5061.
  2. Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2018, 1111, 6047-6071.

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