Hangzhou Dingyan Chem Co., Ltd
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White powder, 201% content. Hangzhou Dingyan Chemical Co., Ltd. is located in the Xiasha Economic Development Zone of Hangzhou, the capital city of Zhejiang Province, on the southeast coast of China. It is a company specializing in the development and sales of high-tech products such as pharmaceutical raw materials, pharmaceutical intermediates, fine chemicals and biochemical reagents.
A modern private enterprise integrated with self-operated import and export.
Since its establishment, the company has adhered to the development path of "technological innovation" and attached great importance to scientific and technological innovation research and development. The company's high-quality products are sold well in more than 60 countries and regions such as North America, Western Europe, Southeast Asia, Central and South America.
At present, it has established long-term and stable cooperative relations with pharmaceutical companies in Europe, the United States, Greece, Germany, Iran, Russia, South Korea, India and other countries. With our rigorous attitude and sincere service, we have won the trust and reputation of customers.
Hangzhou Dingyan Chemical Co., Ltd. is located in the Xiasha Economic Development Zone of Hangzhou, the capital city of Zhejiang Province, on the southeast coast of China. It is a company specializing in the development, sales and self-support import and export financing of high-tech products such as pharmaceutical raw materials, pharmaceutical intermediates, fine chemicals and biochemical reagents.
Integrated modern private enterprise.
Since its establishment, the company has adhered to the development path of "technological innovation" and attached great importance to scientific and technological innovation research and development. The company's high-quality products are sold well in more than 2310 countries and regions such as North America, Western Europe, Southeast Asia, Central and South America.
At present, it has established long-term and stable cooperative relations with pharmaceutical companies in Europe, the United States, Greece, Germany, Iran, Russia, South Korea, India and other countries. With our rigorous attitude and sincere service, we have won the trust and reputation of customers. |
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Sinoway Industrial Co.Ltd.
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Product name
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Chlortetracycline
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CAS No.
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57-62-5
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Molecular Formula
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C22H23ClN2O8
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Molecular Weight
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478.92
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Quality Standard
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95% up by HPLC
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Appearance
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White powder
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ITEMS
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STANDARD
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RESULTS
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Characters
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Yellow powder
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Conforms
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Identification
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A
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Thin-layer chromatography
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Conforms
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B
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As description of EP6
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C
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Reaction of chlorides
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PH
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2.3-3.3
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2.51
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Water
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≤2.0%
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0.45%
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Spec. Rotation
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-235° - -250°
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-248°
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Sulphated Ash
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≤0.5%
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0.14%
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Absorbance
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460nm ≤0.40
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0.218
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Related Substances
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4-Epichlortetracycline
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≤4.0%
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1.47%
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Total of other impurities
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≤1.0%
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0.78%
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Heavy Metals
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≤50ppm
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< 50ppm
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TC.HCL( on dried basis)
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≤8.0%
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3.36%
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CTC.HCL(on dried basis)
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≥89.5%
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93.23%
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TC.HCl+CTC.HCl(on dried basis)
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94.5%-102.0%
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96.59%
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Function of Chlortetracycline
Chlortetracycline is a broad-spectrum antibiotic of the tetracycline class, which has a good inhibitory effect on Staphylococcus aureus, Streptococcus pyogenes, pneumococcus and Chlamydia trachomatis. At present, it is commonly used for skin infections. For example, it is often used in external dosage forms. Chlortetracycline hydrochloride ointment can be used to treat purulent skin diseases such as impetigo, mild small burns and ulcer infections. The method of use It is for topical application. During use, occasionally it may cause skin redness, rash and other allergic reactions. It should be noted that patients who are allergic to tetracycline antibiotics should be prohibited from using it. In addition, if you are pregnant, breastfeeding women, children should also avoid using it.
When taking the medicine, avoid contact with mucous membranes such as eyes, nose and mouth. In addition, if there is a burning sensation, itching, redness and swelling at the medication site, the medication should be stopped, the local medication should be washed, and if necessary, consult a doctor.
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