17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate structure

17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate

TL;DR: 17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate (CAS 6641-35-6) is a chemical compound with molecular formula C27H33NO2 and molecular weight 403.25 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

[(5S,8R,9S,10S,13S,14S)-17-ethynyl-10,13-dimethyl-1,4,5,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] pyridine-3-carboxylate

Also Known As: Sid 769030, KST-1A7319, 17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate, Pregn-2-en-20-yn-17-yl pyridine-3-carboxylate, (5

CAS: 6641-35-6
Molecular Formula C27H33NO2
Molecular Weight 403.25 g/mol
LogP 6.2
Topological Polar Surface Area 39.2 Ų
Hydrogen Bond Donors 0
Hydrogen Bond Acceptors 3
Rotatable Bonds 4
Exact Mass 403.25113
Heavy Atoms 30
Complexity 779.0

Chemical Identifiers

CAS Number 6641-35-6
SMILES C[C@]12CC[C@H]3[C@H]([C@@H]1CCC2(C#C)OC(=O)C4=CN=CC=C4)CC[C@@H]5[C@@]3(CC=CC5)C
InChIKey NEQYIOAQPFJWQX-HNMCLFPFSA-N

Product Overview

17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate (CAS 6641-35-6), with molecular formula C27H33NO2 and molecular weight 403.25 g/mol. IUPAC: [(5S,8R,9S,10S,13S,14S)-17-ethynyl-10,13-dimethyl-1,4,5,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] pyridine-3-carboxylate.

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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-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate

XLogP
6.2
TPSA (Topological Polar Surface Area)
39.2
Hydrogen Bond Donors
0
Hydrogen Bond Acceptors
3
Rotatable Bonds
4
Heavy Atoms
30
Complexity
779.0
Exact Mass
403.25113
Monoisotopic Mass
403.25113
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-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate

The XLogP value of 6.2 indicates that 17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 39.2 Ų, 17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, 17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate has 0 hydrogen bond donor(s) and 3 hydrogen bond acceptor(s), which may warrant consideration for formulation optimization.

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-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate?

The CAS number of 17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate is 6641-35-6.

What is the molecular formula of 17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate?

The molecular formula of 17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate is C27H33NO2.

What is the molecular weight of 17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate?

The molecular weight of 17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate is 403.25 g/mol.

Where can I buy 17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate?

You can request a quote for 17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for 17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate?

Yes, KEHONG BIO provides custom synthesis services for 17-Ethynyl-(5a)-androst-2-ene-17-ol-17-nicotinate and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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