17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol structure

17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol

TL;DR: 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol (CAS 3604-60-2) is a chemical compound with molecular formula C21H30O2 and molecular weight 314.22 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(3S,8R,9S,10R,13S,14S,17R)-17-ethynyl-10,13-dimethyl-1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-3,17-diol

Also Known As: Ethynylandrostenediol, 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol, KST-1A4326, (3, A,17

CAS: 3604-60-2
Molecular Formula C21H30O2
Molecular Weight 314.22 g/mol
LogP 3.5
Topological Polar Surface Area 40.5 Ų
Hydrogen Bond Donors 2
Hydrogen Bond Acceptors 2
Rotatable Bonds 1
Exact Mass 314.22458
Heavy Atoms 23
Complexity 598.0

Chemical Identifiers

CAS Number 3604-60-2
SMILES C[C@]12CC[C@@H](CC1=CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@]4(C#C)O)C)O
InChIKey VGJUOWGYQZYCII-TVWVXWENSA-N

Patent-Derived Application Labels

Derived from 4 IPC patent classification(s) across the SureChEMBL global patent database.

Heterocyclic Building Blocks (35 patents) Organic Building Blocks (7 patents) Pharmaceutical Intermediates (26 patents) Surfactants & Detergents (1 patents)

Product Overview

17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol (CAS 3604-60-2), with molecular formula C21H30O2 and molecular weight 314.22 g/mol. IUPAC: (3S,8R,9S,10R,13S,14S,17R)-17-ethynyl-10,13-dimethyl-1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-3,17-diol.

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Safety Data Sheet (MSDS / SDS) View the Laboratory Chemical Safety Summary (LCSS) on PubChem — includes GHS classifications, hazard statements, first aid measures, and handling precautions.
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Chemical Property Profile of 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol

XLogP
3.5
TPSA (Topological Polar Surface Area)
40.5
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
2
Rotatable Bonds
1
Heavy Atoms
23
Complexity
598.0
Exact Mass
314.22458
Monoisotopic Mass
314.22458
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol

The XLogP value of 3.5 indicates that 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 40.5 Ų, 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol has 2 hydrogen bond donor(s) and 2 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

Frequently Asked Questions

What is the typical lead time for this product?
Lead time typically ranges from 3-7 business days for in-stock items. For larger quantities or custom orders, please contact us for specific lead times.
Can you provide samples for testing?
Yes, we offer sample quantities for quality testing. Please submit an inquiry with your requirements and we will arrange samples accordingly.
What documentation do you provide with the product?
We provide COA (Certificate of Analysis), MSDS (Material Safety Data Sheet), and technical data sheets with each shipment.
Do you ship internationally?
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location. Please contact us for specific shipping information.

Frequently Asked Questions

What is the CAS number of 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol?

The CAS number of 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol is 3604-60-2.

What is the molecular formula of 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol?

The molecular formula of 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol is C21H30O2.

What is the molecular weight of 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol?

The molecular weight of 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol is 314.22 g/mol.

Where can I buy 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol?

You can request a quote for 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol?

Yes, KEHONG BIO provides custom synthesis services for 17-alpha-Pregn-5-en-20-yne-3-beta,17-beta-diol and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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