4-Methyl-1-pentyn-3-ol - ≥97% , CAS No.565-68-4

CAS: 565-68-4 Cat. No.: M300342 Molecular Weight: 98.15 EC Number: 209-287-9
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
4-Methyl-1-pentyn-3-ol, AldrichCPR | 4-Methyl-1-pentyne-3-ol | EINECS 209-287-9 | AI3-25135 | EN300-189233 | 1-Isopropylpropargyl alcohol | 4-Methylpentyn-3-ol | 4-Methyl-1-pentyn-3-ol | NSC 96446 | NSC96446 | NSC-96446 | AKOS006227584 | MFCD00039847 | 4-
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
M300342-250mg
2
$40.90
1g
M300342-1g
2
$87.90
5g
M300342-5g
1
$256.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice 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.

Specifications

Synonyms
4-Methyl-1-pentyn-3-ol, AldrichCPR | 4-Methyl-1-pentyne-3-ol | EINECS 209-287-9 | AI3-25135 | EN300-189233 | 1-Isopropylpropargyl alcohol | 4-Methylpentyn-3-ol | 4-Methyl-1-pentyn-3-ol | NSC 96446 | NSC96446 | NSC-96446 | AKOS006227584 | MFCD00039847 | 4-
Specifications & Purity
≥97%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Canonical SmilesCC(C)C(C#C)O
IUPAC Name4-methylpent-1-yn-3-ol
InChIKeyUTIFIONYBLSHIL-UHFFFAOYSA-N
INCHI1S/C6H10O/c1-4-6(7)5(2)3/h1,5-7H,2-3H3
Isomeric SMILES CC(C)C(C#C)O
Molecular Weight 98.15
Reaxy-Rn 1698762
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1698762&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
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassAlcohols and polyols
Intermediate Tree Nodes Not available
Direct ParentSecondary alcohols
Alternative Parents Acetylides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Secondary alcohol - Acetylide - Hydrocarbon derivative - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as secondary alcohols. These are compounds containing a secondary alcohol functional group, with the general structure HOC(R)(R') (R,R'=alkyl, aryl).
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.

6 results found

Lot NumberCertificate TypeDateItem
G2504427Certificate of AnalysisJun 28, 2025 M300342
G2504428Certificate of AnalysisJun 28, 2025 M300342
G2504429Certificate of AnalysisJun 28, 2025 M300342
G2504430Certificate of AnalysisJun 28, 2025 M300342
G2504431Certificate of AnalysisJun 28, 2025 M300342
G2504432Certificate of AnalysisJun 28, 2025 M300342
Chemical and Physical Properties
SolubilitySlightly soluble in water.
Refractive Index1.4360
Flash Point(°F)105°F
Flash Point(°C)41℃
Melt Point(°C)133-134℃
Molecular Weight98.140 g/mol
XLogP31.000
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count1
Exact Mass98.0732 Da
Monoisotopic Mass98.0732 Da
Topological Polar Surface Area20.200 Ų
Heavy Atom Count7
Formal Charge0
Complexity85.600
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count1
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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