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High Quality USP/EP/BP GMP DMF FDA Flucloxacillin Oral Suspension CAS NO 5250-39-5 Producer

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  • AZ580
  • Dideu
  • 5250-39-5
  • C19H17ClFN3O5S
  • 226-051-0
  • China
  • Oral Suspension
  • High quality
  • 99.0% Min
  • 99%-101%
  • Oral Suspension
  • Solubility in water
  • 1.0% max
  • 0.5% Max
  • 10 ppm Max
  • H-NMR
  • 0.5% Max
  • Medicine

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Flucloxacillin Oral Suspension

Action and use

Penicillin antibacterial.


Flucloxacillin Oral Suspension is a suspension of Flucloxacillin Magnesium Octahydrate in a suitable flavoured vehicle. It is prepared by dispersing the dry ingredients in the specified volume of water just before issue for use.

The dry ingredients comply with the requirements for Powders and Granules for Oral Solutions and Oral Suspensions stated under Oral Liquids.

For the following tests prepare the oral suspension as directed on the label. The suspension examined immediately after preparation, unless otherwise indicated, complies with the requirements stated under Oral Liquids and with the following requirements.

Content of flucloxacillin, C19H17ClFN3O5S 

When freshly constituted, not more than 120.0% of the stated amount. When stored at the temperature and for the period stated on the label during which the oral suspension may be expected to be satisfactory for use, not less than 80.0% of the stated amount.


A.  Carry out the method for thin-layer chromatography, Appendix III A, using a TLC silica gel silanised plate (Merck silanised silica gel 60 plates are suitable) and a mixture of 30  volumes of acetone and 70  volumes of a 15.4% w/v solution of ammonium acetate adjusted to pH 5.0 with glacial acetic acid as the mobile phase. Apply separately to the plate 1 µl of each of the following solutions. For solution (1) dilute a quantity of the oral suspension containing the equivalent of 50  mg of flucloxacillin to 20  ml with phosphate buffer pH 7.0. Solution (2) contains 0.25% w/v of flucloxacillin sodium BPCRS in phosphate buffer pH 7.0. Solution (3) contains 0.25% w/v of each of cloxacillin sodium BPCRS, dicloxacillin sodium BPCRS and flucloxacillin sodium BPCRS in phosphate buffer pH 7.0. After removal of the plate, allow it to dry in air, expose to iodine vapour until the spots appear and examine in daylight. The principal spot in the chromatogram obtained with solution (1) is similar in position, colour and size to that in the chromatogram obtained with solution (2). The test is not valid unless the chromatogram obtained with solution (3) shows three clearly separated spots.

B.  Dilute a quantity of the oral suspension containing the equivalent of 50  mg of flucloxacillin to 20  ml with water, shake to dissolve and filter if necessary. The filtrate yields reaction B characteristic of magnesium salts, Appendix VI.


Related substances


pH, 4.8  to 5.8, Appendix V L.


Carry out the method for liquid chromatography, Appendix III D, using the following solutions. For solution (1) dilute a weighed quantity of the oral suspension containing the equivalent of 50  mg of flucloxacillin to 50  ml with the mobile phase and dilute 5  volumes of the solution to 50  volumes with the mobile phase. Solution (2) contains 0.011% w/v of flucloxacillin sodium BPCRS in the mobile phase. Solution (3) contains 0.01% w/v of each of flucloxacillin sodium BPCRS and cloxacillin sodium BPCRS in the mobile phase.

The chromatographic procedure may be carried out using (a) a stainless steel column (25  cm × 4.6  mm) packed with octadecylsilyl silica gel for chromatography (5 µm) (Hypersil 5 ODS is suitable), (b) as the mobile phase with a flow rate of 1  ml per minute a mixture of 25  volumes of acetonitrile and 75  volumes of a 0.27% w/v solution of potassium dihydrogen orthophosphate adjusted to pH 5.0 with 2m sodium hydroxide and (c) a detection wavelength of 225  nm.

The test is not valid unless, in the chromatogram obtained with solution (3), the resolution factor between the first peak (cloxacillin) and the second peak (flucloxacillin) is at least 2.5.

Determine the weight per ml of the oral suspension, Appendix V G, and calculate the content of C19H17ClFN3O5S, weight in volume, using the declared content of C19H16ClFN3NaO5S in flucloxacillin sodium BPCRS. Each mg of C19H16ClFN3NaO5S is equivalent to 0.9538  mg of C19H17ClFN3O5S.

Repeat the procedure using a portion of the oral suspension that has been stored at the temperature and for the period stated on the label during which it may be expected to be satisfactory for use.

StorageThe oral suspension should be stored at the temperature and used within the period stated on the label.

The quantity of active ingredient is stated in terms of the equivalent amount of flucloxacillin.

The packaging can be customized. the shipping term can be by sea, by air, and sample or small quantity can be shipped by DHL, FEDEX, EMS and TNT.

Oral Suspension 1Oral Suspension 15Oral Suspension 46

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c) Accept SGS,BV any other third-party inspection before loading.

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Why do you choose Dideu Industries as your partner?

A) High quality can be guaranteed. Dideu Industries since 1975 are reputed chemical manufacturer and are Certified by ISO 9001;2015 and have GMP certification.Free sample can be arranged before shipment and SGS,BV and other third party inspection company are accepted before loading.For regular customers, we accept L/C 180 Days, D/P,D/A payment term. If there is any quality problem after goods arrive. Dideu Industries will do fully payment refund.

B) Best price can be guaranteed. As Dideu Industries are integrated pharmaceuticals and chemicals producer, the production cost can be controlled and price will be definitely more competitive than China trading companies.

C) Professional enginners from Dideu Industries will give professional usage guide and services after sales.

D)Dideu Industries work 7×24 hours and your request will be processed by our professional staff in different shift period.

Dideu Industries is one of the largest producer for general chemical, pharmaceutical, nutrition additive, natural extracts, agrochemical and Daily-Use Chemical in China and is headquartered in Shaanxi, China. The Dideu Group comprises subsidiaries and joint ventures in more than 10 countries and operates six integrated production sites and 21 other production sites in Europe, Asia, Australia, Americas and Africa.Its headquarters is located in Xi’An,China. Dideu has customers in over 200 countries and supplies products to a wide variety of industries.

At the end of 2014, the company employed more than 13000 people. In 2014, Group Dideu posted sales of 30 billion and income from operations before special items of about 7.5 billion. The company is currently expanding its international activities with a particular focus on Asia countries. Between 1990 and 2005, the company invested 5.2 billion in Asia, for example in sites near Guangxi,Yunnan, Sichuan, Shaanxi China,Mangalore in India,Bangkok, Thailand,Hanoi, Vietnam etc.

Dideu Industries Consist Of Five Industry Chains:

I)Pharmaceutical Industries

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VI)General Chemical Industry

At Dideu, we redefine chemistry to make the world better - and have been doing so for 75 years. As one of the world's leading chemical company, we combine economic success with environmental protection and social responsibility.Through science and innovation we enable our customers in nearly every industry to meet the current and future needs of society.

At Dideu, we create chemistry for a sustainable future with science for a better life.Dideu is a Life Science company with a long and glorious history and core competencies in the areas of health care and agriculture. With our innovative products, we are contributing to finding solutions to some of the major challenges of our time. The growing and increasingly aging world population requires improved medical care and an adequate supply of food. Dideu is improving people's quality of life by preventing, alleviating and treating diseases. And we are helping to provide a reliable supply of high quality food, feed and plant based raw materials.We develop new molecules for use in innovative products and solutions to improve health. Our research and development activities are based on a profound understanding of the biochemical processes in living organisms.Our goal is to achieve and sustain leadership positions in our markets, thus creating value for our customers, stockholders and employees. To this end, our strategy is designed to help solve some of the most pressing challenges facing humankind, and by doing this exceptionally well we aim to strengthen the company's earning power. 

We are committed to operating sustainably and addressing our social and ethical responsibilities as a corporate citizen, while at the same time respecting the interests of all our stakeholders. Employees with a passion for innovation enjoy excellent development opportunities at Dideu.Exclusive Focus on the Life Science BusinessesFollowing the economic and legal independence of our former Material Science subgroup.Dideu has charted the course for its successful development as a Life Science company. Our Life Science businesses hold leading positions in innovation driven growth markets. Together they make up a strong, attractive and balanced portfolio that is resistant to fluctuations in demand and to potential risks.The previous structure comprising a strategic management holding company and operational subgroups has thus been replaced by an integrated organization under the umbrella of the strong Dideu brand. The company's operations are managed in three divisions Pharmaceuticals, Consumer Health and Crop Science and the Animal Health business unit.The business continues to be supported by the corporate functions, Dideu Business Services and the service company Currenta, while Technology Services is being integrated into Dideu Group, forming the Engineering and Technology function.

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