4-Chloro-1-butene

Name: 4-Chloro-1-butene
Brand: Vaqora Chemicals
SKU: VQ-050631

About 4-Chloro-1-butene

Listed under CAS 927-73-1, 4-Chloro-1-butene is a process intermediate or related compound of Buspirone available from Vaqora Chemicals. Its molecular formula is C4H7Cl and its molecular weight is 90.55 g/mol. Its systematic (IUPAC) name is 4-chlorobut-1-ene. It is also known as 1-Butene, 4-chloro- or 4Chlorobut1ene.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

Process chemists and analysts use it when developing synthetic routes to Buspirone, tracking process-related impurities and validating analytical methods. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 4-Chloro-1-butene in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Buspirone

View every impurity, metabolite and intermediate we list for Buspirone.

Buspirone impurities

Specifications & identifiers

Chemical identifiers
Product name	4-Chloro-1-butene
Catalogue No.	VQ-050631
CAS Number	927-73-1
IUPAC name	4-chlorobut-1-ene
Molecular formula	C₄H₇Cl
Molecular weight	90.55 g/mol
Exact mass	90.0236
InChIKey	WKEVRZCQFQDCIR-UHFFFAOYSA-N
SMILES	C=CCCCl
PubChem CID	13565

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	1-Butene, 4-chloro-, 4Chlorobut1ene, 1Butene, 4chloro, 4-chloro-1-buten, 1-but-3-enyl chloride

Safety & hazard information (GHS)

Flammable

Harmful / irritant

Signal word: Danger

Hazard statements

H225Highly flammable liquid and vapor
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P210, P233, P240, P241, P242, P243, P264, P264 + P265, P270, P280, P301 + P317, P302 + P352, P303 + P361 + P353, P305 + P351 + P338, P321, P330, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403 + P235, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 4-Chloro-1-butene?

The CAS Registry Number of 4-Chloro-1-butene is 927-73-1. It is also known as 1-Butene, 4-chloro-, 4Chlorobut1ene, 1Butene, 4chloro.

What is the molecular formula and molecular weight of 4-Chloro-1-butene?

4-Chloro-1-butene has the molecular formula C4H7Cl and a molecular weight of 90.55 g/mol. Its IUPAC name is 4-chlorobut-1-ene.

What is 4-Chloro-1-butene used for?

4-Chloro-1-butene is supplied as a characterised reference material related to Buspirone. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 4-Chloro-1-butene can I order?

We supply 4-Chloro-1-butene, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Chloro-1-butene?

Yes. Every lot of 4-Chloro-1-butene is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4-Chloro-1-butene be shipped internationally?

Yes. 4-Chloro-1-butene is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.