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Postion:Product Catalog >Analytical Chemistry>Standard>Pharmaceutical Impurity Reference Standards>Doxycycline EP Impurity A
Doxycycline EP Impurity A
  • Doxycycline EP Impurity A

Doxycycline EP Impurity A NEW

Price Get Latest Price
Package 5mg 10mg 50mg
Min. Order: 5mg
Supply Ability: 1000mg
Update Time: 2025-12-19

Product Details

Product Name: Doxycycline EP Impurity A CAS No.: 3219-99-6
Min. Order: 5mg Purity: 95%+
Supply Ability: 1000mg Release date: 2025/12/19
MF: C22H24N2O8 MW: 444.44

Doxycycline EP Impurity A

CAS number: 3219-99-6

Product Code: REF-D08001

Molecular formula: C22H24N2O8

Molecular weight: 444.44

Purity: 97.63%

Product nature: self-developed by the company

Appearance: Light yellow solid

Storage conditions: 2-8℃

Chemical name: (4S,4aR,5S,5aR,6S,12aS)-4-(dimethylamino)-3,5,10,12,12apentahydroxy-6-methyl-1,11-dioxo-1,4,4a,5,5a,6,11,12aoctahydrotetracene-2-carboxamide

Doxycycline EP Impurity A, Doxycycline EP Impurity A Standard, Doxycycline EP Impurity A Reference


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Synthesis of Doxycycline EP Impurity A

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Chemical Standards of Doxycycline EP Impurity A

Characterization Of Unknown Impurities of Doxycycline EP Impurity A

Structure Profiling of Doxycycline EP Impurity A

Identification of Doxycycline EP Impurity A

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Complex Impurity Of Chemical Standards of Doxycycline EP Impurity A


    TOSUN PHARM was established in 1999. In China, it is a collection of drugs, APIs, reference listed drugs, impurities, excipients, intermediates import and export, import registration services, generic drug research and development services, innovative drugs and high-end FDF technology transfer, A group company integrating marketing, academic promotion and cooperative production. With a global procurement, R&D and marketing network, it can quickly meet the needs of product R&D, production and market sales of Chinese and global pharmaceutical companies.


Company Profile Introduction

Tosun United Pharma and Group is committed to making due contributions to the cause of human health. At present, the group holds two wholly-owned subsidiaries: Guangzhou Tosun Pharmaceutical Co., Ltd. and Guangzhou Tosun-Bridge Pharm and Tech Ltd. Guangzhou Tosun Pharmaceutical Co., Ltd.is a GSP (CRO) company that meets the requirements of modern management. It is the leader in the field of exporting and importing of APIs, excipients, prescriptions and impurities. In the past 20 years, the company has always adhered to the business philosophy of 'innovation, professional, integrity and self-discipline', and has a professional marketing team. Our sales network covering over 500 manufactures and work over 1000 products. With more than 1500 Clients from global market. Tosun Pharma's main business covers from academic promotion and sales of preparations to sales and agents of preparations, APIs and chemical intermediates. It has the right of self import and export of the above products. At present, it acts as an agent for more than 30 imported raw materials, 30 agent preparations and more than 50 registration certificates of imported drugs being declared. Guangzhou Juntai Medical Technology Co., Ltd. is a third-party technical service platform company under Tosun and United Pharmaceutical Group. It provides customers with professional one-stop solutions for pharmaceutical research and development, clinical pre BE and clinical BE. At present, the key businesses mainly include: API joint declaration, one-time import of reference preparation, clinical pre BE / formal BE and consistency evaluation service.

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  • Since: 1999-12-28
  • Address: Room 1201, Room 1203, No. 181 Science Avenue, Huangpu District, Guangzhou City, Guangdong Province,
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