5-Hexynoic acid - ≥95% , CAS No.53293-00-8

CAS: 53293-00-8 Cat. No.: H111132 Molecular Weight: 112.13 Beilstein Registry Number: 1743192 EC Number: 610-982-8
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
5-Hexyn-1-oic acid;Hex-5-ynoic acid | EN300-111911 | BDBM46128 | Bromophenol blue indicator | cid_143036 | BCP33463 | 5-HEXYNOICACID | 5-Hexynoic acid | LA 96 | Q27140592 | LCWG003 | LMFA01030500 | PB42991 | 5-Hexynoic acid, 97% | 5-Ethyl-N-methyl-5-pheny
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
H111132-1g
3

$10.90

$16.90
Save $6.00 (35.50%)
5g
H111132-5g
2

$32.90

$49.90
Save $17.00 (34.07%)
10g
H111132-10g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$63.90

$95.90
Save $32.00 (33.37%)
25g
H111132-25g
3

$140.90

$211.90
Save $71.00 (33.51%)
100g
H111132-100g
3

$465.90

$698.90
Save $233.00 (33.34%)
Enter a quantity for the sizes you want to add.
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

5-Hexynoic acid may be used in the preparation of: · 5-hexynoic acid methyl ester · 5,8,11-dodecatriynoic acid · 5-isocyanato-1-pentyne

5-Hexynoic acid is an alkynoic acid. It undergoes gold-catalyzed cyclization to form the corresponding methylene lactones.

Specifications

Synonyms
5-Hexyn-1-oic acid;Hex-5-ynoic acid | EN300-111911 | BDBM46128 | Bromophenol blue indicator | cid_143036 | BCP33463 | 5-HEXYNOICACID | 5-Hexynoic acid | LA 96 | Q27140592 | LCWG003 | LMFA01030500 | PB42991 | 5-Hexynoic acid, 97% | 5-Ethyl-N-methyl-5-pheny
Specifications & Purity
≥95%
Storage
Room temperature
Shipped In
Normal
Purity
≥95%
Names and Identifiers
Pubchem Sid504757256
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504757256
Canonical SmilesC#CCCCC(=O)O
IUPAC Namehex-5-ynoic acid
InChIKeyVPFMEXRVUOPYRG-UHFFFAOYSA-N
INCHI1S/C6H8O2/c1-2-3-4-5-6(7)8/h1H,3-5H2,(H,7,8)
Isomeric SMILES C#CCCCC(=O)O
WGK Germany 3
UN Number 3265
Molecular Weight 112.13
Beilstein 1743192
Reaxy-Rn 1743192
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1743192&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassLipids and lipid-like molecules
ClassFatty Acyls
SubclassFatty acids and conjugates
Intermediate Tree Nodes Not available
Direct ParentMedium-chain fatty acids
Alternative Parents Unsaturated fatty acids  Straight chain fatty acids  Monocarboxylic acids and derivatives  Carboxylic acids  Acetylides  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Medium-chain fatty acid - Unsaturated fatty acid - Straight chain fatty acid - Acetylide - Monocarboxylic acid or derivatives - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Carbonyl group - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as medium-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 4 and 12 carbon atoms.
External Descriptors Unsaturated fatty acids
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
PTPN7 Tchem Protein-tyrosine phosphatase LC-PTP (886 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
GAPDH Tchem Glyceraldehyde-3-phosphate dehydrogenase liver (1284 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

17 results found

Lot NumberCertificate TypeDateItem
J2228342Certificate of AnalysisJun 08, 2026 H111132
J2228345Certificate of AnalysisJun 08, 2026 H111132
J2228350Certificate of AnalysisJun 08, 2026 H111132
J2228352Certificate of AnalysisJun 08, 2026 H111132
L2008238Certificate of AnalysisMar 20, 2026 H111132
L2008237Certificate of AnalysisMar 20, 2026 H111132
I2222534Certificate of AnalysisMar 10, 2026 H111132
J2520156Certificate of AnalysisOct 22, 2025 H111132
L2320192Certificate of AnalysisSep 09, 2025 H111132
H2505086Certificate of AnalysisAug 11, 2025 H111132
L2108364Certificate of AnalysisJun 10, 2025 H111132
L2108369Certificate of AnalysisJun 10, 2025 H111132
L2108373Certificate of AnalysisJun 10, 2025 H111132
C2513030Certificate of AnalysisMar 26, 2025 H111132
C2513032Certificate of AnalysisAug 19, 2024 H111132
K1328091Certificate of AnalysisApr 11, 2023 H111132
F2103065Certificate of AnalysisMar 10, 2023 H111132

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Chemical and Physical Properties
SolubilityMiscible with water.
Refractive Index1.448-4.45
Flash Point(°F)230 °F
Flash Point(°C)110℃
Boil Point(°C)224-225°C
Molecular Weight112.130 g/mol
XLogP30.700
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count3
Exact Mass112.052 Da
Monoisotopic Mass112.052 Da
Topological Polar Surface Area37.300 Ų
Heavy Atom Count8
Formal Charge0
Complexity118.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
References
1. Jing-Fang Shi, Ping Wu, Xiao-Li Cheng, Xiao-Yi Wei, Zi-Hua Jiang.  (2020)  Synthesis and Cytotoxic Property of Annonaceous Acetogenin Glycoconjugates.  Drug Design Development and Therapy,      [PMID:33235438] [10.2147/DDDT.S259547]
2. Xuefeng Yang, Xueyu Jiang, Hongye Yang, Liming Bian, Chunyu Chang, Lina Zhang.  (2020)  Biocompatible cellulose-based supramolecular nanoparticles driven by host–guest interactions for drug delivery.  CARBOHYDRATE POLYMERS,      [PMID:32241406] [10.1016/j.carbpol.2020.116114]
Solution Calculators
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