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Clotrimazole (CAS 23593-75-1) From China Factory

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Min. Order: 25 kg
Port: Shanghai, China
Transport Package: 25kg/Drum
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: 23593-75-1
  • Trademark: EVERGREEN
  • Origin: China
  • CAS: 23593-75-1
  • Specification: 99%
Product Description
Product Name:Clotrimazole
Synonyms:G imazalil;Tartaric acid Tiamulin;Clotrimazole, >=99%;Levobupivacaine Hydrochloride Injection;Perindopril Tables[ACERTIL(R;chlorophyll,chlorophyl;Clotrimazole impurity;(2-Chlorophenyl)diphenyl-1-imidazolylmethane
CAS:23593-75-1
MF:C22H17ClN2
MW:344.84
EINECS:245-764-8
Product Categories:MYCELEX;API;Broad-spectrum antifungal drugs;Pharmaceutical Intermediates;Active Pharmaceutical Ingredients;API's;Potassium channel;Aromatics;Heterocycles;Intermediates & Fine Chemicals;Pharmaceuticals
Mol File:23593-75-1.mol
 
 
Clotrimazole Chemical Properties
Melting point 147-149°C
storage temp. Store at RT.
solubility Soluble in chloroform, DMSO, DMF and alcohols
NIST Chemistry ReferenceClotrimazole(23593-75-1)
 
Safety Information
Hazard Codes Xn
Risk Statements 22-36/38
Safety Statements 26-36
WGK Germany 3
RTECS NI4377000
Hazardous Substances Data23593-75-1(Hazardous Substances Data)
 
MSDS Information
ProviderLanguage
Diphenyl-(2-chlorophenyl)-1-imidazolylmethaneEnglish
SigmaAldrichEnglish
 
Clotrimazole Usage And Synthesis
Broad-spectrum antifungal drugClotrimazole is an artificially synthetic azole antifungal agent with inhibitory effect on a variety of pathogenic fungi. It is also able to directly kill the fungi at high concentration. Clotrimazole, through interfering with cytochrome P450 activity, inhibits the biosynthesis of the fungal ergosterol and other steroids; cause damage of the fungal cell membrane and change its permeability, causing the leakage of many kinds of important material in the cell; it can also inhibit the biosynthesis of the fungal triglyceride and phosphor-lipid; the product can still inhibit the activity of oxidase and peroxidase, causing the over-accumulation of peroxides in the cell, causing the degeneration and necrosis of the fungal subcellular structures. Clotrimazole has broad-spectrum antifungal activity with excellent anti-fungal activity against Epidermophyton, Trichophyton, aspergillosis, coloring fungi, Cryptococcus and Candida species. It also has certain antifungal effect against sporothrix schenckii,blastomycosis dermatitidis, Blastomyces coccidioides as well as Histoplasma.
It has good anti-fungal effect against Candida, Cryptococcus, Aspergillus, algae bacteria, dermatophytes, etc in both in vivo and in vitro. It efficacy in treating skin superficial mycoses is similar as griseofulvin while its efficacy in treating deep fungal disease is similar as amphotericin B. It has excellent efficacy in treating visceral pathogenic fungi such as Candida albicans, Cryptococcus neoformans, coccidioidomycosis and histoplasma. Its effect on the Candida albicans is stronger than nystatin. Fungi are not easy to evolve drug resistance to this kind of product. This product is easily absorbed orally and can be used for the treatment of systemic fungal infection such as aspergillosis fumigatus, candidiasis, cryptococcosis, coccidioidomycosis, histoplasmosis (dogs, cats) and fungal septicemia. For severe fungal infection, it is preferably to use it in combination with amphotericin B. Topically it can also be used for the treatment of superficial fungal infections such as ringworm and livestock comb body and hair tinea. However, it is invalid in treating tinea capitis. Clotrimazole also has certain efficacy in treating some kinds of Gram-positive bacteria and Trichomonas vaginalis.
PharmacokineticsThis product is rarely absorbed after oral administration. Adult, after oral administration of 3, has the peak of the plasma concentration being only 1.29 mg/L at 2 hour while 0.78 mg/L at 6 hours. Upon continuous administration, because of the induction effect of liver enzymes, the serum concentration can in turn decrease. The elimination half-life is 4.5 to 6 hours. Most of the products is metabolic inactivated in the liver and is further excreted by bile with only a small amount (less than 1% of dose) being subject to urine excretion in its prototype. The urine excrete were mostly inactive metabolites. This product is presented at high concentration in the feces including the non-absorption part of oral administration as well as the fraction via biliary excretion. Clotrimazole is widely distributed in the body with high concentration existing in the liver and adipose tissue. It can't penetrate normal meninges and get into the cerebrospinal fluid. This product has a serum protein binding rate of 50%.
Clinical applicationClinical topical usage of 1% clotrimazole cream or solution for treating candidiasis ringworm, tinea versicolor, athlete's foot, nail ringworm and other skin infections. Clotrimazole vaginal tablets (100mg) administration can be used for treating candidiasis and trichomoniasis vaginal infections. Side effects include local irritation and burning sensations. Oral administration can be used for the treatment of deep fungal infection but with serious side effects such as gastrointestinal irritation, neutropenia, and liver function abnormalities. 
1. Oral administration: (1) can be used for the treatment of oropharyngeal candidiasis. (2) it can also be used for chemotherapy and the prevention of the oropharynegeal candidiasis infection of immunocompromised or defect patients. 
2. Topical: (1) skin candidiasis. (2) Tinea, jork itch and ringworm caused by Trichophyton, Epidermophyton and small spores; tinea versicolor caused by Pityrosporum.
3. Vaginal administration: (1) Vaginitis induced by Candida or other fungi. (2) vaginal infection caused by yeast. (3) Vagina super-infection caused by susceptible strains of the drug. 
The above information is edited by the chemicalbook of Dai Xiongfeng.
Mechanism1. Through reducing the activity of cytochrome P450, it inhibit the biosynthesis of ergosterol and other sterols contained in the fungal cell membrane, causing damage of the fungal cell membrane and change its permeability and causing important intracellular material leakage. 
2. Clotrimazole can inhibit the biosynthesis of the fungal triglyceride and phospholipid.
3. It can still inhibit the activity of oxidase and peroxidase, leading to the over-accumulation of hydrogen peroxide inside the cell, causing fungal subcellular structures degeneration and necrosis.
4. For Candida albicans, clotrimazole can suppresses the process of its conversion from spores into invasive hyphae.
Drug Interactions1, the drug can inhibit the metabolism of drugs like sirolimus and dofetilide mediated by cytochrome P450 3A4 so that the plasma concentration of these drugs increases. 
2, when being used in combination with tacrolimus and acamprosate, it can slow down the metabolism of these drugs and increasing its toxicity. 
3, when clotrimazole is used in combination with betamethasone, it can make the skin be vulnerable to infection and increase the opportunities for microbial growth; the possible mechanism is through inhibiting the local inflammation. 
4, when being used in combination with nystatin, amphotericin B and flucytosine, no synergistic antibacterial effect has been observed for inhibiting Candida albicans; moreover, it has antagonism effect in pharmacodynamic when being used in combination with amphotericin B.
Side effects1, Oral administration: (1) gastrointestinal reactions: including loss of appetite, nausea, vomiting, abdominal pain and diarrhea. (2) Liver toxicity: Because most of clotrimazole is subjecting to liver metabolism, it can lead to liver damage and causing increased level of serum bilirubin, alkaline phosphatase and aminotransferase. These symptoms can resume after drug withdrawal. (3) There are occasionally transient neuropsychiatric disorders, manifested as depression, hallucinations and disorientation and so on. Once such reactions occur, treatment must be immediately discontinued. (4) There may be occasionally leukopenia. (5) Some patients, after taking the drug, can get a burning sensation in the urethra. At this time, you should drink more water to ensure a high urine output. However, there is no need for stopping the drug. 
2, Topical administration may occasionally cause local irritation, itching or burning sensation. Skin can get erythema, papules, vesicles, scaling and so on. There is also report about contact dermatitis. 
3, a small amount of vaginal administrators may get vaginal burning sensation, abdominal cramping, and bloating, frequent urination and so on. There may also be varying degrees of allergic reactions such as skin redness and itching, shortness of breath, hypotension or transient feeling, nausea and diarrhea.
Administration instructions1, the drug can't be used for systemic fungal infections. Owing to the poor oral absorption of the drug, adverse reactions are common while now we mostly apply topical or vaginal administration. 
2, upon using this drug, you should avoid eye contact with the drug. 
3, clotrimazole vaginal tablets should be prohibited through oral administration.
4, Administration of the tablets of this product once should overall take 15 to 30 minutes to allow the drug being slowly and completely dissolved. You should avoid chewing or swallowing whole tablet.
5, virginal treatment should be prohibited during menstruation.
6. if there are temporary neuropsychiatric disorder, severe gastrointestinal reactions and local skin allergic reaction happening, you should discontinue the drug immediately.
Chemical PropertiesIt is white powder or colorless crystalline powder. It has a melting point of 147-149 ºC. It is soluble in ethanol, acetone, and chloroform, but almost insoluble in water. It is odorless, tasteless and subject to rapid decomposition in an acid solution. Clotrimazole hydrochloride has a m.p. of 159 ºC.
Production methodIt can be obtained from o-benzoic acid via esterification, addition, hydrolysis, chlorination, and condensation. It may also be obtained by chlorination of o-chlorotoluene into o-chloro benzotrichloride, which, in the presence of aluminum chloride, has condensation reaction with benzene to generate diphenyl-(2-chlorophenyl) methyl chloride, which finally has condensation reaction with imidazole to obtain clotrimazole.
Chemical PropertiesCrystalline
UsesClotrimazole is an antifungal agent.
UsesAn antifungal compound and CYP inhibitor
DefinitionChEBI: A member of the class of imidazoles that is 1H-imidazole in which the hydrogen attached to a nitrogen is replaced by a monochlorotrityl group.
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