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Ethisterone

CAS 434-03-7C21H28O2Cell Biology

Ethisterone (CAS: 434-03-7), with the molecular formula C21H28O2, is a synthetic steroidal compound. It functions as an orally active derivative of progesterone, notable for its application in pharmaceutical research and development. Ethisterone is primarily recognised for its hormonal activity and has been explored for various therapeutic applications, including in the field of reproductive health and endocrinology.

IUPAC
17α-Ethynyltestosterone,17β-Hydroxy-4,17α-pregnen-20-yn-3-one,4,17α-Pregnen-17β-ol-20-yn-3-one
Synonyms
17α-Ethynyltestosterone17β-Hydroxy-4,17α-pregnen-20-yn-3-one4,17α-Pregnen-17β-ol-20-yn-3-one
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Ethisterone (C21H28O2) — chemical structure, CAS 434-03-7; Life Science, fine chemical supplied by Tech Serve Solutions
Bioactive Small MoleculesCell BiologyCytokinesGrowth Factors and HormonesHormonesNovartisOther Steroid ProductsSteroid Hormones More...
01 /Applications

Pharmaceutical Research

Ethisterone serves as a valuable tool in pharmaceutical research, particularly in the study of steroid hormones and their physiological effects. Its synthetic nature allows for controlled investigations into endocrine pathways and potential therapeutic interventions.

Endocrinology Studies

As an orally active progestogen, ethisterone is employed in endocrinological research to investigate hormonal regulation and the mechanisms of action of steroid compounds. This aids in understanding conditions related to hormonal imbalances.

Drug Discovery and Development

The compound is utilised in drug discovery pipelines as a reference standard or a starting point for developing new therapeutic agents. Its established biological activity makes it relevant for exploring novel pharmaceutical applications.

02 /Properties
Molecular weight312.45
Empirical formulaC21H28O2
Assay≥99% (HPLC)
Melting point263-269 °C(lit.)
03 /Safety & handling
GHS hazard pictogram: Health hazard (GHS08)
Health hazard
Danger

Hazard statements

  • H360May damage fertility or the unborn child

Precautionary statements

  • P201Obtain special instructions before use
  • P308IF exposed or concerned
Protective equipmentEyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Water hazard class (WGK, DE)3
Hazard codes (EU)T
Risk statements (R)61
Safety statements (S)53-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
434-03-7
MDL number
MFCD00003656
PubChem substance
24894377
Beilstein registry
1889895
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Ethisterone used for?

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Ethisterone is used in pharmaceutical research, endocrinology studies, and drug discovery and development due to its hormonal activity as a synthetic progestogen.

What is the CAS number and formula for Ethisterone?

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The CAS number for Ethisterone is 434-03-7 and its molecular formula is C21H28O2.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Ethisterone with an assay of ≥99% (HPLC). We do not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated.

How should Ethisterone be handled safely?

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Ethisterone is classified as Danger with hazard statement H360 (May damage fertility or the unborn child). Appropriate personal protective equipment, including eyeshields and suitable gloves and respirators, should be used. Handle with extreme caution in a well-ventilated area.

How is Ethisterone packed and exported?

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Ethisterone is carefully packed to ensure product integrity during transit and is exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations.

How can I request a sample or quote for Ethisterone?

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To request a sample or a quote for Ethisterone, please contact our sales department through the website or by direct inquiry, providing your specific requirements.

Need Ethisterone in a specific grade or volume?