2-Pentynoic Acid - ≥97% , CAS No.5963-77-9

CAS: 5963-77-9 Cat. No.: P137286 Molecular Weight: 98.1 EC Number: 626-205-0 PubChem CID: 324379
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
SY152565 | A869160 | DTXSID70314888 | EN300-140007 | AKOS006376608 | Z1205493735 | D84135 | MINRDQDGBLQBGD-UHFFFAOYSA-N | 2-Pentynoic acid, 97% | 2-PENTYNOIC ACID | pent-2-ynoic acid | AS-56922 | Pentynoic acid | MFCD00014370 | Ethylacetylene carboxylic a
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
P137286-250mg
4

$9.90

$14.90
Save $5.00 (33.56%)
1g
P137286-1g
5

$19.90

$29.90
Save $10.00 (33.44%)
5g
P137286-5g
5

$76.90

$115.90
Save $39.00 (33.65%)
25g
P137286-25g
2

$295.90

$443.90
Save $148.00 (33.34%)
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🧪

Why this grade

≥97% 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Product Application

2-Pentynoic acid is used in the stereoselective synthesis of vinylstannanes. It is also used in the synthesis of spiroindolines derivatives.

Specifications

Synonyms
SY152565 | A869160 | DTXSID70314888 | EN300-140007 | AKOS006376608 | Z1205493735 | D84135 | MINRDQDGBLQBGD-UHFFFAOYSA-N | 2-Pentynoic acid, 97% | 2-PENTYNOIC ACID | pent-2-ynoic acid | AS-56922 | Pentynoic acid | MFCD00014370 | Ethylacetylene carboxylic a
Specifications & Purity
≥97%
Storage
Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid488189504
Canonical SmilesCCC#CC(=O)O
IUPAC Namepent-2-ynoic acid
InChIKeyMINRDQDGBLQBGD-UHFFFAOYSA-N
INCHI1S/C5H6O2/c1-2-3-4-5(6)7/h2H2,1H3,(H,6,7)
Isomeric SMILES CCC#CC(=O)O
WGK Germany 1
PubChem CID 324379
Molecular Weight 98.1

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 ParentStraight chain fatty acids
Alternative Parents Unsaturated fatty acids  Monocarboxylic acids and derivatives  Carboxylic acids  Organic oxides  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Unsaturated fatty acid - Straight chain fatty acid - 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 straight chain fatty acids. These are fatty acids with a straight aliphatic chain.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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.

8 results found

Lot NumberCertificate TypeDateItem
D2301901Certificate of AnalysisJan 08, 2025 P137286
D2301889Certificate of AnalysisJan 08, 2025 P137286
D2301882Certificate of AnalysisJan 06, 2025 P137286
D2301883Certificate of AnalysisJan 06, 2025 P137286
D2301886Certificate of AnalysisJan 06, 2025 P137286
D2301888Certificate of AnalysisJan 06, 2025 P137286
D2301890Certificate of AnalysisJan 06, 2025 P137286
D2301897Certificate of AnalysisJan 06, 2025 P137286
Chemical and Physical Properties
Flash Point(°F)205°F
Flash Point(°C)96 °C
Melt Point(°C)47-53°
Molecular Weight98.100 g/mol
XLogP31.200
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass98.0368 Da
Monoisotopic Mass98.0368 Da
Topological Polar Surface Area37.300 Ų
Heavy Atom Count7
Formal Charge0
Complexity124.000
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
Solution Calculators
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