5alpha-Dihydrolevonorgestrel structure

5alpha-Dihydrolevonorgestrel

TL;DR: 5alpha-Dihydrolevonorgestrel (CAS 20402-55-5) 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.

(5S,8R,9R,10S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthren-3-one

Also Known As: 5alpha-Dihydrolevonorgestrel, Norgestrel Impurity 2, 5a-Dihydrolevonorgestrel, 4,5-Didehydrolevonorgestrel, A-Dihydrolevonorgestrel

CAS: 20402-55-5
Molecular Formula C21H30O2
Molecular Weight 314.22 g/mol
LogP 3.9625
Topological Polar Surface Area 37.3 Ų
Hydrogen Bond Donors 1
Hydrogen Bond Acceptors 2
Rotatable Bonds 1
Exact Mass 314.22458
Heavy Atoms 23
Complexity 546.53503

Chemical Identifiers

CAS Number 20402-55-5
SMILES CC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CC[C@@H]4[C@@H]3CCC(=O)C4

Product Overview

5alpha-Dihydrolevonorgestrel (CAS 20402-55-5), with molecular formula C21H30O2 and molecular weight 314.22 g/mol. IUPAC: (5S,8R,9R,10S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthren-3-one.

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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 5alpha-Dihydrolevonorgestrel

XLogP
3.9625
TPSA (Topological Polar Surface Area)
37.3
Hydrogen Bond Donors
1
Hydrogen Bond Acceptors
2
Rotatable Bonds
1
Heavy Atoms
23
Complexity
546.53503
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 5alpha-Dihydrolevonorgestrel

The XLogP value of 3.9625 indicates that 5alpha-Dihydrolevonorgestrel is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 37.3 Ų, 5alpha-Dihydrolevonorgestrel exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, 5alpha-Dihydrolevonorgestrel has 1 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 5alpha-Dihydrolevonorgestrel?

The CAS number of 5alpha-Dihydrolevonorgestrel is 20402-55-5.

What is the molecular formula of 5alpha-Dihydrolevonorgestrel?

The molecular formula of 5alpha-Dihydrolevonorgestrel is C21H30O2.

What is the molecular weight of 5alpha-Dihydrolevonorgestrel?

The molecular weight of 5alpha-Dihydrolevonorgestrel is 314.22 g/mol.

Where can I buy 5alpha-Dihydrolevonorgestrel?

You can request a quote for 5alpha-Dihydrolevonorgestrel directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for 5alpha-Dihydrolevonorgestrel?

Yes, KEHONG BIO provides custom synthesis services for 5alpha-Dihydrolevonorgestrel and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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