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Home > Encyclopedia > Clocortolone

Clocortolone

Clocortolone structure

Clocortolone 

structure
  • CAS No:

    4828-27-7

  • Formula:

    C22H28ClFO4

  • Chemical Name:

    Clocortolone

  • Synonyms:

    Pregna-1,4-diene-3,20-dione,9-chloro-6-fluoro-11,21-dihydroxy-16-methyl-,(6α,11β,16α)-;Pregna-1,4-diene-3,20-dione,9-chloro-6α-fluoro-11β,21-dihydroxy-16α-methyl-;(6α,11β,16α)-9-Chloro-6-fluoro-11,21-dihydroxy-16-methylpregna-1,4-diene-3,20-dione;9-Chloro-6α-fluoro-11β,21-dihydroxy-17α-methylpregna-1,4-diene-3,20-dione;Clocortolone;9-Chloro-6α-fluoro-11β,21-dihydroxy-16α-methylpregna-1,4-diene-3,20-dione;9-Chloro-6α-fluoro-16α-methyl-1,4-pregnadiene-11β,21-diol-3,20-dione;Clorcortelone

  • Categories:

    Pharmaceutical Intermediates  >  Bulk Drug Intermediates

Description

Solid


Solid


Clocortolone is 16alpha-Methylpregna-1,4-diene-3,20-dione bearing hydroxy substituents at the 11beta and 21 positions, fluorine at position 6 and chlorine at position 9. A medium potency corticosteroid, it is used as its 21-O-pivalate or caproate ester for the relief of inflammatory and pruritic (itching) skin disorders. It has a role as an anti-inflammatory drug and an antipruritic drug. It is a glucocorticoid, an 11beta-hydroxy steroid, a 21-hydroxy steroid, a 20-oxo steroid, a fluorinated steroid, a 3-oxo-Delta(1),Delta(4)-steroid, a chlorinated steroid and a primary alpha-hydroxy ketone.|Clocortolone is a medium potency corticosteroid that is often used as a topical cream for the relief of inflammatory oand pruritic (itching) arising from steroid-responsive dermatoses of the scalp.|Clocortolone is a Corticosteroid. The mechanism of action of clocortolone is as a Corticosteroid Hormone Receptor Agonist.

Clocortolone Basic Attributes

410.91

410.91

225-406-7

N8ZUB7XE0H

D - Dermatologicals

Characteristics

74.6

3.8

Solid

1.3±0.1 g/cm3

254 °C (decomp)

566.0±50.0 °C at 760 mmHg

296.1±30.1 °C

1.580

1.50e-02 g/L

Toxicity

Topically applied clocortolone can be absorbed in sufficient amounts to produce systemic effects. Symptoms of overdose include thinning of skin and suppression of adrenal cortex (decreased ability to respond to stress).

Drug Information

For short-term topical treatment of the inflammatory and pruritic manifestations of moderate to severe corticosteroid-responsive dermatoses of the scalp.|FDA Label

Like other topical corticosteroids, clocortolone has anti-inflammatory, antipruritic, and vasoconstrictive properties. Once absorbed through the skin, topical corticosteroids are handled through pharmacokinetic pathways similar to systemically administered corticosteroids. Clocortolone is a moderate potency topical corticosteroid that should not be used with occlusive dressings. It is recommended that treatment should be limited to 2 consecutive weeks and therapy should be discontinued when adequate results have been achieved.

Substances that reduce or suppress INFLAMMATION. (See all compounds classified as Anti-Inflammatory Agents.)|A group of CORTICOSTEROIDS that affect carbohydrate metabolism (GLUCONEOGENESIS, liver glycogen deposition, elevation of BLOOD SUGAR), inhibit ADRENOCORTICOTROPIC HORMONE secretion, and possess pronounced anti-inflammatory activity. They also play a role in fat and protein metabolism, maintenance of arterial blood pressure, alteration of the connective tissue response to injury, reduction in the number of circulating lymphocytes, and functioning of the central nervous system. (See all compounds classified as Glucocorticoids.)

Topical corticosteroids can be absorbed from intact healthy skin. The extent of percutaneous absorption of topical corticosteroids is determined by many factors, including the vehicle and the integrity of the epidermal barrier. Occlusion, inflammation and/or other disease processes in the skin may also increase percutaneous absorption.

Metabolized, primarily in the liver, and then excreted by the kidneys.

The precise mechanism of the antiinflammatory activity of topical steroids in the treatment of steroid-responsive dermatoses, in general, is uncertain. However, corticosteroids are thought to act by the induction of phospholipase A2 inhibitory proteins, collectively called lipocortins. It is postulated that these proteins control the biosynthesis of potent mediators of inflammation such as prostaglandins and leukotrienes by inhibiting the release of their common precursor arachidonic acid. Arachidonic acid is released from membrane phospholipids by phospholipase A2. These enzyme transcriptional changes are mediated by the drug binding first to the glucocorticoid receptor. This complex can migrate to the cell nucleus which then binds to DNA initiating genetic activation and repression of various genes.

clocortolone

Clocortolone Use and Manufacturing

Clocortolone can be used in the treatment of skin inflammmation and other skin conditions arising for dermatoses.

Computed Properties

Molecular Weight:410.9
XLogP3:2.5
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:2
Exact Mass:410.1660152
Monoisotopic Mass:410.1660152
Topological Polar Surface Area:74.6
Heavy Atom Count:28
Complexity:793
Defined Atom Stereocenter Count:9
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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