(+)-4-Cholesten-3-one
(+)-4-Cholesten-3-one (CAS: 601-57-0) is a steroidal ketone with the molecular formula C27H44O and a molecular weight of 384.64 g/mol. This compound is a valuable chiral building block utilised in complex chemical synthesis. Its specific stereochemistry and functional group make it an important intermediate for creating advanced organic molecules, particularly within the realms of steroid chemistry and pharmaceutical research.
- IUPAC
- 3-Keto-4-cholestene,3-Oxo-4-cholestene,4-Cholesten-3-one
- Synonyms
- 3-Keto-4-cholestene3-Oxo-4-cholestene4-Cholesten-3-one

Chiral Building Block
Serves as a crucial chiral intermediate in asymmetric synthesis, enabling the stereoselective construction of complex organic molecules.
Chemical Synthesis Intermediate
Employed in multi-step syntheses for developing novel compounds and exploring new reaction pathways in organic chemistry.
Steroid Chemistry Research
Utilised in the study and synthesis of various steroid derivatives, contributing to advancements in endocrinology and related fields.
Pharmaceutical Intermediate
Acts as a precursor in the development of potential pharmaceutical agents, leveraging its steroidal structure for targeted drug discovery.
| Molecular weight | 384.64 |
|---|---|
| Empirical formula | C27H44O |
| Assay | 98% |
| Optical activity | [α]23/D +91.0°, c = 2 in chloroform |
| Melting point | 79-81 °C(lit.) |
Hazard statements
- H413May cause long-lasting harmful effects to aquatic life
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is (+)-4-Cholesten-3-one used for?
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(+)-4-Cholesten-3-one is primarily used as a chiral building block in asymmetric synthesis and as an intermediate in complex chemical syntheses, including steroid chemistry and pharmaceutical research.
What is the CAS number and formula for (+)-4-Cholesten-3-one?
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The CAS number is 601-57-0 and the molecular formula is C27H44O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (+)-4-Cholesten-3-one with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling requirements for (+)-4-Cholesten-3-one?
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For safe handling, use eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. This compound may cause long-lasting harmful effects to aquatic life (H413).
How is (+)-4-Cholesten-3-one packed and exported?
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Product is carefully packed according to industry standards to ensure safe transit and is exported globally by Tech Serve Solutions.
How can I request a quote or sample for (+)-4-Cholesten-3-one?
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To request a quote or sample, please contact our sales team via the website or direct email, providing your details and the product CAS number.
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