21-Bromo-17-hydroxypregn-4-ene-3,20-dione structure

21-Bromo-17-hydroxypregn-4-ene-3,20-dione

TL;DR: 21-Bromo-17-hydroxypregn-4-ene-3,20-dione (CAS 20380-17-0) is a chemical compound with molecular formula C21H29BrO3 and molecular weight 408.13 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

(8R,9S,10R,13S,14S,17R)-17-(2-bromoacetyl)-17-hydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one

Also Known As: 21-bromo-17-hydroxypregn-4-ene-3,20-dione, (8R,9S,10R,13S,14S,17R)-17-(2-bromoacetyl)-17-hydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one, RefChem:483894

CAS: 20380-17-0
Molecular Formula C21H29BrO3
Molecular Weight 408.13 g/mol
LogP 4.2134
Topological Polar Surface Area 54.37 Ų
Hydrogen Bond Donors 1
Hydrogen Bond Acceptors 3
Rotatable Bonds 2
Exact Mass 408.13
Heavy Atoms 25
Complexity 655.5266

Chemical Identifiers

CAS Number 20380-17-0
SMILES C[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@@]4(C(=O)CBr)O)C

Product Overview

21-Bromo-17-hydroxypregn-4-ene-3,20-dione (CAS 20380-17-0), with molecular formula C21H29BrO3 and molecular weight 408.13 g/mol. IUPAC: (8R,9S,10R,13S,14S,17R)-17-(2-bromoacetyl)-17-hydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[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 21-Bromo-17-hydroxypregn-4-ene-3,20-dione

XLogP
4.2134
TPSA (Topological Polar Surface Area)
54.37
Hydrogen Bond Donors
1
Hydrogen Bond Acceptors
3
Rotatable Bonds
2
Heavy Atoms
25
Complexity
655.5266
Exact Mass
408.13
Monoisotopic Mass
408.13
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 21-Bromo-17-hydroxypregn-4-ene-3,20-dione

The XLogP value of 4.2134 indicates that 21-Bromo-17-hydroxypregn-4-ene-3,20-dione is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. With a topological polar surface area (TPSA) of 54.37 Ų, 21-Bromo-17-hydroxypregn-4-ene-3,20-dione exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, 21-Bromo-17-hydroxypregn-4-ene-3,20-dione has 1 hydrogen bond donor(s) and 3 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 21-Bromo-17-hydroxypregn-4-ene-3,20-dione?

The CAS number of 21-Bromo-17-hydroxypregn-4-ene-3,20-dione is 20380-17-0.

What is the molecular formula of 21-Bromo-17-hydroxypregn-4-ene-3,20-dione?

The molecular formula of 21-Bromo-17-hydroxypregn-4-ene-3,20-dione is C21H29BrO3.

What is the molecular weight of 21-Bromo-17-hydroxypregn-4-ene-3,20-dione?

The molecular weight of 21-Bromo-17-hydroxypregn-4-ene-3,20-dione is 408.13 g/mol.

Where can I buy 21-Bromo-17-hydroxypregn-4-ene-3,20-dione?

You can request a quote for 21-Bromo-17-hydroxypregn-4-ene-3,20-dione directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for 21-Bromo-17-hydroxypregn-4-ene-3,20-dione?

Yes, KEHONG BIO provides custom synthesis services for 21-Bromo-17-hydroxypregn-4-ene-3,20-dione and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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