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3-BUTYN-1-OL

3-BUTYN-1-OL

CAS Number: 927-74-2

Molecular Formula: C4H6O

About 3-BUTYN-1-OL

3-Butyn-1-ol (CAS 927-74-2) is increasingly utilized as a critical bifunctional building block in conjugation chemistry, where its terminal alkyne group enables high-efficiency copper-catalyzed azide-alkyne cycloaddition (CuAAC) for the development of bioconjugates and advanced polymers within the US CDMO sector. Homop...

3-BUTYN-1-OL Specifications

CAS Number

927-74-2

Molecular Formula

C4H6O

Molecular Weight

70.09 g/mol

IUPAC Name

but-3-yn-1-ol

Canonical SMILES

C#CCCO

InChI Key

OTJZCIYGRUNXTP-UHFFFAOYSA-N

PubChem CID

13566

CAS Number

927-74-2

Molecular Formula

C4H6O

Molecular Weight

70.09 g/mol

IUPAC Name

but-3-yn-1-ol

Canonical SMILES

C#CCCO

InChI Key

OTJZCIYGRUNXTP-UHFFFAOYSA-N

PubChem CID

13566

Molecular Weight

70.09 g/mol

Physical appearance

Colorless to yellow liquid

Pharmaceutical Intermediate

An important building block utilized in the synthesis of various medicinal compounds, specifically used as a key intermediate for the third-generation antihistamine Fexofenadine, as well as anticancer, anti-HIV, and central nervous system drugs

Organic Synthesis Building Block

A versatile bifunctional organic compound featuring both a terminal alkyne and a primary alcohol group, employed as a synthon for the preparation of oxygen-containing heterocycles and complex molecular scaffolds via click chemistry or Sonogashira coupling

Agrochemical Intermediate

A functionalized chemical raw material used as a precursor in the production of selective pesticides and herbicides

Specialty Chemical

A high-demand industrial intermediate used in the manufacture of plasticizers, lubricants, acetylenic esters, perfumes, and cosmetics.

3-BUTYN-1-OL FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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