4-Hydroxy-2-butynal structure

4-Hydroxy-2-butynal

TL;DR: 4-Hydroxy-2-butynal (CAS 50560-69-5) is a chemical compound with molecular formula C4H4O2 and molecular weight 84.02 g/mol, supplied by Kehong Biological (Henan Kehong Biological Technology Co., Ltd.) with CRO/CDMO custom synthesis services.

4-hydroxybut-2-ynal

Also Known As: 4-hydroxybut-2-ynal, 4-Hydroxy-2-butynal, 4-hydroxy-but-2-ynal, J2.739.319E, RefChem:99149

CAS: 50560-69-5
Molecular Formula C4H4O2
Molecular Weight 84.02 g/mol
LogP -0.5
Topological Polar Surface Area 37.3 Ų
Hydrogen Bond Donors 1
Hydrogen Bond Acceptors 2
Rotatable Bonds 0
Exact Mass 84.021126
Heavy Atoms 6
Complexity 92.0

Chemical Identifiers

CAS Number 50560-69-5
SMILES C(C#CC=O)O
InChIKey QAPQYLWHUDXNHY-UHFFFAOYSA-N

Patent-Derived Application Labels

Derived from 2 IPC patent classification(s) across the SureChEMBL global patent database.

Biotechnology (4 patents) Heterocyclic Building Blocks (5 patents)

Product Overview

4-Hydroxy-2-butynal (CAS 50560-69-5), with molecular formula C4H4O2 and molecular weight 84.02 g/mol. IUPAC: 4-hydroxybut-2-ynal.

🧪
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.
View MSDS →

Chemical Property Profile of 4-Hydroxy-2-butynal

XLogP
-0.5
TPSA (Topological Polar Surface Area)
37.3
Hydrogen Bond Donors
1
Hydrogen Bond Acceptors
2
Rotatable Bonds
0
Heavy Atoms
6
Complexity
92.0
Exact Mass
84.021126
Monoisotopic Mass
84.021126
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 4-Hydroxy-2-butynal

The XLogP value of -0.5 indicates that 4-Hydroxy-2-butynal is hydrophilic (water-soluble), making it suitable for aqueous formulations and biological assay applications. With a topological polar surface area (TPSA) of 37.3 Ų, 4-Hydroxy-2-butynal exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, 4-Hydroxy-2-butynal 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 4-Hydroxy-2-butynal?

The CAS number of 4-Hydroxy-2-butynal is 50560-69-5.

What is the molecular formula of 4-Hydroxy-2-butynal?

The molecular formula of 4-Hydroxy-2-butynal is C4H4O2.

What is the molecular weight of 4-Hydroxy-2-butynal?

The molecular weight of 4-Hydroxy-2-butynal is 84.02 g/mol.

Where can I buy 4-Hydroxy-2-butynal?

You can request a quote for 4-Hydroxy-2-butynal directly from KEHONG BIO. Contact us or email info@kehongbio.com for pricing and availability.

Does KEHONG BIO offer custom synthesis for 4-Hydroxy-2-butynal?

Yes, KEHONG BIO provides custom synthesis services for 4-Hydroxy-2-butynal and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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