3-Methyl-1-pentyn-3-ol - ≥98% , CAS No.77-75-8

CAS: 77-75-8 Cat. No.: M106691 Molecular Weight: 98.14 Beilstein Registry Number: 969340 EC Number: 201-055-5
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
Pentinol | EC 201-055-5 | Mecarol | Methylpentinol | Metilpentinol | Methylpentynol (INN) | UTIL | Ethinylmethylethylcarbinol | Metilparafinolo | 3-Methyl-1-pentin-3-ol | AI3-14502 | Dorison | Methylethylethynylcarbinol | Methylpentynolum [INN-Latin] | NS
Storage
Room temperature
Shipped In
FedEx DG Service
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5ml
M106691-5ml
9
$9.90
25ml
M106691-25ml
7
$17.90
100ml
M106691-100ml
4

$46.90

$61.90
Save $15.00 (24.23%)
250ml
M106691-250ml
2

$107.90

$138.90
Save $31.00 (22.32%)
500ml
M106691-500ml
3

$172.90

$249.90
Save $77.00 (30.81%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships FedEx DG Service 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Pentinol | EC 201-055-5 | Mecarol | Methylpentinol | Metilpentinol | Methylpentynol (INN) | UTIL | Ethinylmethylethylcarbinol | Metilparafinolo | 3-Methyl-1-pentin-3-ol | AI3-14502 | Dorison | Methylethylethynylcarbinol | Methylpentynolum [INN-Latin] | NS
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid488180077
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488180077
Canonical SmilesCCC(C)(C#C)O
IUPAC Name3-methylpent-1-yn-3-ol
InChIKeyQXLPXWSKPNOQLE-UHFFFAOYSA-N
INCHI1S/C6H10O/c1-4-6(3,7)5-2/h1,7H,5H2,2-3H3
Isomeric SMILES CCC(C)(C#C)O
WGK Germany 1
RTECS SC4900000
UN Number 1986
Packing Group III
Molecular Weight 98.14
Beilstein 969340
Reaxy-Rn 969340
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=969340&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
SubclassCarbonyl compounds
Intermediate Tree Nodes Alpha,beta-unsaturated carbonyl compounds - Alpha,beta-unsaturated ketones
Direct ParentYnones
Alternative Parents Tertiary alcohols  Acetylides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Ynone - Tertiary alcohol - Acetylide - Hydrocarbon derivative - Alcohol - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as ynones. These are organic compounds containing the ynone functional group, an alpha,beta unsaturated ketone group with the general structure RC#C-C(=O)R' (R' not H).
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
MAOA Tclin Monoamine oxidase A (11911 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
MAOB Tclin Monoamine oxidase B (8835 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.

14 results found

Lot NumberCertificate TypeDateItem
J2229223Certificate of AnalysisJun 09, 2026 M106691
J2229226Certificate of AnalysisJun 09, 2026 M106691
J2229228Certificate of AnalysisJun 09, 2026 M106691
J2229231Certificate of AnalysisJun 09, 2026 M106691
H2304193Certificate of AnalysisMay 07, 2025 M106691
B2515047Certificate of AnalysisFeb 22, 2025 M106691
D2318286Certificate of AnalysisJan 06, 2025 M106691
D2318265Certificate of AnalysisJan 06, 2025 M106691
J1723103Certificate of AnalysisJan 06, 2025 M106691
J2229222Certificate of AnalysisAug 26, 2024 M106691
D2501421Certificate of AnalysisJul 10, 2024 M106691
D2501439Certificate of AnalysisJul 10, 2024 M106691
F1917082Certificate of AnalysisJan 04, 2023 M106691
J1808041Certificate of AnalysisMay 12, 2022 M106691

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Chemical and Physical Properties
Refractive Index1.4318
Flash Point(°F)82.4 °F
Flash Point(°C)38℃
Boil Point(°C)122°C
Melt Point(°C)-30.6°C
Molecular Weight98.140 g/mol
XLogP30.800
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count1
Rotatable Bond Count2
Exact Mass98.0732 Da
Monoisotopic Mass98.0732 Da
Topological Polar Surface Area20.200 Ų
Heavy Atom Count7
Formal Charge0
Complexity98.000
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
Citations of This Product
References
1. Yun Fang, Yong Yan, Xiayan Wang, Guangsheng Guo.  (2025)  Bimetallic PdCu nanohybrid sheets for enhanced electrocatalytic selective semi-hydrogenation of alkynols.  CHEMICAL ENGINEERING JOURNAL,      [PMID:] [10.1016/j.cej.2025.164620]
Solution Calculators
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