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High Quality USP/EP/BP GMP DMF FDA Chlortetracycline Ointment CAS NO 57-62-5 Producer

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  • AZ519
  • Dideu
  • 57-62-5
  • C22H23ClN2O8
  • 200-341-7
  • China
  • Chlortetracycline Ointment
  • High quality
  • 99.0% Min
  • 99%-101%
  • Cream
  • Solubility in water
  • 1.0% max
  • 0.5% Max
  • 10 ppm Max
  • H-NMR
  • 0.5% Max
  • Medicine

Our Reference Specification, for more details, pls contact us for COA,MSDS and certification:

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Chlortetracycline Ointment 

Action and use

Tetracycline antibacterial.


Chlortetracycline Ointment contains Chlortetracycline Hydrochloride in a suitable basis.

The ointment complies with the requirements stated under Topical Semi-solid Preparations and with the following requirements.

Content of chlortetracycline hydrochloride, C22H23ClN2O8,HCl

90.0  to 110.0% of the stated amount.

A.  Disperse a quantity of the ointment containing 10  mg of Chlortetracycline Hydrochloride in 10  ml of dichloromethane, extract with two 10  ml quantities of 0.01m hydrochloric acid, combine the aqueous extracts, filter and extract the filtrate with two 10-ml quantities of ether. Discard the ether extracts and dilute the aqueous layer to 100  ml with 0.01m hydrochloric acid. Dilute 20  ml of the resulting solution to 100  ml with 0.01m hydrochloric acid. The light absorption of the resulting solution, Appendix II B, in the range 220  to 420  nm exhibits two maxima, at 266  nm and 368  nm.

B.  Complies with test B for Identification described under Chlortetracycline Eye Ointment but using the following solutions. For solution (1) disperse a quantity of the ointment containing 25  mg of Chlortetracycline Hydrochloride in 25  ml of dichloromethane, extract with two quantities of 0. 01m hydrochloric acid, filter the aqueous layer and dilute to 50  ml with water. Solution (2) contains 0.05% w/v of chlortetracycline hydrochloride BPCRS in water. Solution (3) contains 0.05% w/v each of chlortetracycline hydrochloride BPCRS, tetracycline hydrochloride BPCRS and metacycline hydrochloride EPCRS in water.

C.  To a quantity of the ointment containing 0.5  mg of Chlortetracycline Hydrochloride add 2  ml of sulphuric acid; a deep blue colour is produced, which becomes bluish green. Add 1  ml of water; a brown colour is produced.


Tetracycline hydrochloride and 4-epichlortetracycline hydrochloride

Not more than 8.0% and 6.0% respectively, determined as described under Assay. Inject separately solutions (1) and (4).


Carry out the Assay described under Chlortetracycline Eye Ointment but using the following solutions. For solution (1) disperse a quantity of the ointment containing 25  mg of Chlortetracycline Hydrochloride in 20  ml of chloroform and 50  ml of 0.01m hydrochloric acid and shake for 15  minutes, dilute to 100  ml with 0.01m hydrochloric acid, mix thoroughly, allow to separate and filter the aqueous layer. For solution (2) dissolve 25  mg of chlortetracycline hydrochloride BPCRS in 20  ml of chloroform and 50  ml of 0.01m hydrochloric acid and treat in the same manner as solution (1) beginning at the words 'and shake for 15  minutes ...'. Solution (3) contains 0.025% w/v each of chlortetracycline hydrochloride BPCRS and 4-epichlortetracycline hydrochloride EPCRS in 0.01m hydrochloric acid. Solution (4) contains 0.002% w/v of tetracycline hydrochloride BPCRS and 0.0015% w/v of 4-epichlortetracycline hydrochloride EPCRS in 0.01m hydrochloric acid.

The assay is not valid unless the resolution factor between the two principal peaks in the chromatogram obtained with solution (3) is at least 1.5.

Calculate the content of C22H23ClN2O8,HCl in the ointment using the declared content of C22H23ClN2O8,HCl in chlortetracycline hydrochloride BPCRS.


Chlortetracycline Ointment should be protected from light.

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.

Cream 9Cream 11Cream 86

a) Free sample can be supplied.

b) Guide our clients by professional knowledge and teach them how to use our product after sales.

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

d) High quality best price Guaranteed.

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

II)Nutrition Additive Industries

III)Daily-Use Chemical Products Industries & Agrochemicals

IV)Environmental Friendly Chemical And Chemurgy Industries

V)Petrochemical Industries

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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