Antibiotics pharmaceuticals kills,slows down bacterial growth, antimicrobials medicines kills microorganisms



Costunolide is a sesquiterpene lactone that is synthesized through the mevalonate pathway. The compound is described to act as an antioxidant, anti-mycobacterial, anti-inflammatory, and anti-viral, with cytotoxic activity. Additionally, Costunolide is reported to inhibit the activity of telomerase.

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Cycloheximide is an inhibitor of protein biosynthesis in eukaryotic organisms, produced by the bacterium Streptomyces griseus.Its effects are rapidly reversed by removing it from the culture medium.It is also used in hospital,research laboratories as an antibiotic, agricultural fungicide.

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Cycloserine is an antibiotic effective against Mycobacterium tuberculosis. It is also being trialed as an adjuvant to exposure therapy for anxiety disorders, depression, obsessive-compulsive disorder and schizophrenia. It has been experimentally used for treatment of Gaucher's disease. It is a partial agonist at the glycine receptor, and has been shown to have cognition-enhancing properties for models of Parkinson’s disease in primates.It is also used as catalyst in the feilds of pharmaceuticals.

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Cyclosporin A USP 99%


Cyclosporin A


Antibiotic S 7481F1; Cyclosporine

Molecular Formula


Molecular Weight


CAS Registry Number


White crystalline powder

Loss on dying≤2.0%

Heavy metals≤0.002%

Individual  impurity≤0.7%

Total impurity≤1.5%

Any other impurity≤0.1%



Acetic acid≤0.5%

Ethyl acetate≤0.5%


Cyclosporin A is a lipophilic cyclic peptide compounds separated by certain Hyphomycetes fungi, such as Cylindrocarpon lucidum and Tolypocladium inflatumculture medium. In 1980s, as an immunosuppressant, it has been widely used in the world, is now used for a variety of tissues and organ transplant to prevent rejection reaction and to treat autoimmune diseases. 


Daptomycin is a novel lipopeptide antibiotic used in the treatment of certain infections caused by Gram-positive organisms. It is a naturally occurring compound found in the soil saprotroph Streptomyces roseosporus. Its distinct mechanism of action means that it may be useful in treating infections caused by multi-resistant bacteria.

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Daptomycin USP 95%

Daptomycin; CAS No.103060-53-3

Off-White to Light Yellow Solid

Residue on ignition≤1.0%


β-Isomer≤ 2.0%

Lactone hydrolysis product≤1.5%

RS-2≤ 0.50%

Any other unknown impurity≤0.15%

Total impurities≤ 7.0%

Heavy metals≤30ppm

Water≤10.0% (K.F.)

Bacterial endotoxins<0.3EU/mg




Butyl alcohol≤5000PPm

Assay (Dried bases)≥95.0%


Daptomycin is a kind of cyclic lipopeptide antibiotics with novel structure. It is extracted from the Streptomyces fermentation broth. 



Deflazacort 99%Min

 Nonsteroidal Anti-inflammatory API Deflazacort CAS:14484-47-0, Top Local factory stable quality

Product Description

Product name: Deflazacort 
Other name: Deflazacortum

Molecular Formular:C25H31NO6

Molecular weight:441.52



Demeclocycline is a tetracycline antibiotic. It is derived from a strain of Streptomyces aureofaciens. It is officially indicated for the treatment of various types of bacterial infections. Its use as an antibiotic is particularly in Lyme disease, acne and bronchitis.

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Desoxyfructo-serotonin is a leprostatic agent.

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Dextrose Monohydrate

Dextrose Monohydrate is a sugar usually obtained by the hydrolysis of starch.It contains one molecule of water of hydration.It is indispensable nutrient in metabolization. It is used in the food and pharmaceuticals,sweetening agent and aroma enhancer,used in the manufacture of antibiotics,adhesive building materials, chemicals manufacture, fermentation, tobacco and leather.

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