CAS 764-01-2 2-Butyn-1-ol molecular structure

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CAS RN: 764-01-2

2-Butyn-1-ol

Product Availability

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5 package records5 with current stock2 grade groups

Grade In stock only

Batch No.	Package	Availability	Inquiry
Batchno.20260401	100ml	In stock	Inquiry
Batchno.20250217	1ml	In stock	Inquiry
Batchno.20260304	25ml	In stock	Inquiry
Batchno.20250513	5ml	In stock	Inquiry

Batch No.	Package	Availability	Warehouse	Lead Time	Inquiry
Batchno.20260403	1ml / 5ml / 25ml / 100ml / 500ml	Confirm by inquiry	Shanghai, Shandong	5-7 business days	Inquiry

Product code: SSC-185822

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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

Pack sizes on record: 1g, 5g, 10g, 25g, 100g, 500g
Available purity: ≥98%
Inventory rows with stock: 2
Bulk packaging: confirmed by inquiry

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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 764-01-2
Pack Size	Recorded Purity	Available Qty	Ship From	Inquiry
1g	≥98%	5 In Stock	Shenzhen	Inquiry
5g	≥98%	5 In Stock	Hong Kong	Inquiry
10g	≥98%	0 Out of Stock	Shanghai	Inquiry
25g	≥98%	0 Out of Stock	Shanghai	Inquiry
100g	≥98%	0 Out of Stock	Shanghai	Inquiry
500g	≥98%	0 Out of Stock	Shenzhen	Inquiry

764-01-2 / but-2-yn-1-ol

Standard CAS: 764-01-2 Multi CAS: No

Basic Information Computed Properties

Basic Information

CAS

764-01-2

Multi CAS

Molecular Formula

C4H6O

Molecular Weight

70.090000

Exact Mass

70.041865

InChI

InChI=1S/C4H6O/c1-2-3-4-5/h5H,4H2,1H3

InChIKey

NEEDEQSZOUAJMU-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count

Fraction Csp3

0.5

H-bond acceptors

H-bond donors

Molar refractivity

20.54

TPSA

20.23

LogP / Solubility

MLOGP

-0.01

XLogP3

0.2

Consensus LogP

0.06

Log S (ESOL)

-0.28

Class (ESOL)

Very soluble

Log S (Ali)

-0.14

Class (Ali)

Very soluble

Log S (SILICOS-IT)

-0.12

Class (SILICOS-IT)

Very soluble

ADME

GI absorption

High

BBB permeant

Yes

P-gp substrate

CYP1A2 inhibitor

CYP2C19 inhibitor

CYP2C9 inhibitor

CYP2D6 inhibitor

CYP3A4 inhibitor

Log Kp (skin permeation)

-3.15

Drug-likeness / Medicinal Chemistry

Lipinski

Yes

Ghose

Veber

Yes

Egan

Yes

Muegge

Bioavailability score

0.55

Brenk alerts

Leadlikeness

Synthetic Accessibility

Applications of CAS 764-01-2

This compound is commonly used in general chemistry research and laboratory applications. Starshine Chemical supplies CAS 764-01-2 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.

Physical & Chemical Properties

IUPAC Name

but-2-yn-1-ol

Safety Information (GHS)

Pictogram(s): GHS02, GHS07. Signal word: Warning.

H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (98%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary statements: P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)

Request the SDS (Safety Data Sheet) for full hazard and safety documentation.

Storage & Handling

Storage: Store under inert gas. Avoid: Air Sensitive,Heat Sensitive. For detailed hazard, storage and transport information, request the SDS (Safety Data Sheet) with your inquiry.

Quotation & Packaging

Prices are confirmed by inquiry. Request a quote for current pricing, minimum order quantity (MOQ) and lead time. The pack sizes listed on this page are reference options; custom pack sizes and bulk quantities are available on request.

Quality & Compliance

Specifications and purity shown on this page are based on batch records. A Certificate of Analysis (COA) is available on request. For research and further manufacturing use only — not for direct human or therapeutic use.