19-Norpregn-4-en-20-yn-17-ol structure

19-Norpregn-4-en-20-yn-17-ol

TL;DR: 19-Norpregn-4-en-20-yn-17-ol (CAS 58311-09-4) is a chemical compound with molecular formula C20H28O and molecular weight 284.21 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(8R,9S,10R,13S,14S,17S)-17-ethynyl-13-methyl-2,3,6,7,8,9,10,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol

Also Known As: LYNESTRENOL, 17-Epi Lynestrenol, Lynestrenol impurity B, DSSTox_CID_1478, Lynestrenol EP Impurity B

CAS: 58311-09-4
Molecular Formula C20H28O
Molecular Weight 284.21 g/mol
LogP 4.3135
Topological Polar Surface Area 20.23 Ų
Hydrogen Bond Donors 1
Hydrogen Bond Acceptors 1
Rotatable Bonds 0
Exact Mass 284.21402
Heavy Atoms 21
Complexity 512.4217

Chemical Identifiers

CAS Number 58311-09-4
SMILES C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@]2(C#C)O)CCC4=CCCC[C@H]34

Product Overview

19-Norpregn-4-en-20-yn-17-ol (CAS 58311-09-4), with molecular formula C20H28O and molecular weight 284.21 g/mol. IUPAC: (8R,9S,10R,13S,14S,17S)-17-ethynyl-13-methyl-2,3,6,7,8,9,10,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol.

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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 19-Norpregn-4-en-20-yn-17-ol

XLogP
4.3135
TPSA (Topological Polar Surface Area)
20.23
Hydrogen Bond Donors
1
Hydrogen Bond Acceptors
1
Rotatable Bonds
0
Heavy Atoms
21
Complexity
512.4217
Exact Mass
284.21402
Monoisotopic Mass
284.21402
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 19-Norpregn-4-en-20-yn-17-ol

The XLogP value of 4.3135 indicates that 19-Norpregn-4-en-20-yn-17-ol is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 20.23 Ų, 19-Norpregn-4-en-20-yn-17-ol exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, 19-Norpregn-4-en-20-yn-17-ol has 1 hydrogen bond donor(s) and 1 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 19-Norpregn-4-en-20-yn-17-ol?

The CAS number of 19-Norpregn-4-en-20-yn-17-ol is 58311-09-4.

What is the molecular formula of 19-Norpregn-4-en-20-yn-17-ol?

The molecular formula of 19-Norpregn-4-en-20-yn-17-ol is C20H28O.

What is the molecular weight of 19-Norpregn-4-en-20-yn-17-ol?

The molecular weight of 19-Norpregn-4-en-20-yn-17-ol is 284.21 g/mol.

Where can I buy 19-Norpregn-4-en-20-yn-17-ol?

You can request a quote for 19-Norpregn-4-en-20-yn-17-ol directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for 19-Norpregn-4-en-20-yn-17-ol?

Yes, KEHONG BIO provides custom synthesis services for 19-Norpregn-4-en-20-yn-17-ol and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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