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2-Butynedioic acid structure
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2-Butynedioic acid

TL;DR: 2-Butynedioic acid (CAS 142-45-0) is a chemical compound with molecular formula C4H2O4 and molecular weight 113.99531 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.

but-2-ynedioic acid

Also Known As: acetylenedicarboxylic acid, 2-butynedioic acid, but-2-ynedioic acid, Butynedioic acid, acetylenedicarboxylate

CAS Number
142-45-0
Molecular Formula
C4H2O4
Molecular Weight
113.99531 g/mol
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Application Areas

Top 5 of 22 IPC patent classification(s) from the SureChEMBL global patent database.

Agrochemicals (155 patents) Analytical Reagents (20 patents) Biotechnology (56 patents) Catalysts (41 patents) Coatings & Adhesives (79 patents)

Technical Specifications

Molecular FormulaC4H2O4
Molecular Weight113.99531 g/mol
XLogP0.1
Topological Polar Surface Area (TPSA)74.6 Ų
Hydrogen Bond Donors2
Hydrogen Bond Acceptors4
Rotatable Bonds0
Exact Mass113.99531 Da
Heavy Atoms8
Complexity161.0
SMILESC(#CC(=O)O)C(=O)O
InChIKeyYTIVTFGABIZHHX-UHFFFAOYSA-N

Product Description

Applications: 2-Butynedioic acid is used in pharmaceutical synthesis routes and API production, as well as heterocycle construction in medicinal chemistry and agrochemical discovery. It commonly serves as a versatile building block for organic synthesis. CoreyChem supplies 2-Butynedioic acid (CAS 142-45-0) with custom synthesis available from milligram to multi-kilogram scale, supported by COA, MSDS, and HPLC/NMR/MS documentation.

2-Butynedioic acid (CAS 142-45-0) is a pharmaceutical intermediate with the molecular formula C4H2O4 and a molecular weight of 114 g/mol. It is also known as acetylenedicarboxylic acid and 2-butynedioic acid.

Custom synthesis and full analytical documentation (COA/MSDS) are available from CoreyChem. Request a quotation with your required quantity and purity for current lead time and pricing.

Chemical Property Profile of 2-Butynedioic acid

XLogP
0.1
TPSA (Topological Polar Surface Area)
74.6
Hydrogen Bond Donors
2
Hydrogen Bond Acceptors
4
Rotatable Bonds
0
Heavy Atoms
8
Complexity
161.0
Exact Mass
113.99531
Monoisotopic Mass
113.99531
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 2-Butynedioic acid

The XLogP value of 0.1 suggests moderate lipophilicity, balancing water solubility and membrane permeability for 2-Butynedioic acid. The TPSA of 74.6 Ų falls within the moderate polarity range, balancing permeability and solubility for 2-Butynedioic acid. Following Lipinski's Rule of Five, 2-Butynedioic acid has 2 hydrogen bond donor(s) and 4 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

Frequently Asked Questions

What is the CAS number of 2-Butynedioic acid?

The CAS number of 2-Butynedioic acid is 142-45-0.

What is the molecular formula of 2-Butynedioic acid?

The molecular formula of 2-Butynedioic acid is C4H2O4.

What is the molecular weight of 2-Butynedioic acid?

The molecular weight of 2-Butynedioic acid is 113.99531 g/mol.

What are the applications of 2-Butynedioic acid?

2-Butynedioic acid is used in pharmaceutical synthesis routes and API production, as well as heterocycle construction in medicinal chemistry and agrochemical discovery. It commonly serves as a versatile building block for organic synthesis. CoreyChem supplies 2-Butynedioic acid (CAS 142-45-0)...

Where can I buy 2-Butynedioic acid?

You can request a quote for 2-Butynedioic acid directly from CoreyChem. Contact us or email [email protected] for pricing and availability.

Does CoreyChem offer custom synthesis for 2-Butynedioic acid?

Yes, CoreyChem provides custom synthesis services for 2-Butynedioic acid and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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