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Home/Compounds/CAS 3355-28-0
Formula C4H5BrMW 132.99Research-use catalog entryCOA/SDS by request

1-Bromo-2-butyne

CAS Number: 3355-28-0

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Available Options

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Loading RDKit molecule structure...
InChIKey: LNNXOEHOXSYWLD-UHFFFAOYSA-NC4H5Br | MW 132.99

Chemical Absolute Identifiers

CAS Number

3355-28-0

PubChem CID

2756862

Molecular Formula

C4H5Br

Molecular Weight

132.99 g/mol

Exact Mass

131.95746

InChIKey

LNNXOEHOXSYWLD-UHFFFAOYSA-N

IUPAC Name

1-bromobut-2-yne

SMILES String

CC#CCBr

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

1-Bromo-2-butyne (CAS 3355-28-0) is listed in the Pharmaceutical Intermediates portfolio, with molecular formula C4H5Br and molecular weight 132. 99 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research-stage medicinal chemistry and intermediate synthesis workflows.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Pharmaceutical Intermediate ResearchResearch intermediateCustom synthesis building blockPharmaceutical intermediate researchResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Safety and handling reference content is available through documentation requests.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

1-Bromo-2-butyne

Names & Synonyms

2-Butynyl Bromide2-Butyne, 1-bromo-C4H5Br1-bromo2-butynel-bromo-2-butine
Show all synonyms
1-bromo-2-butine4-bromo-2-butynebut-2-ynyl bromide2-Butyne, bromo-4-Bromobut-2-yne1-bromo-but-2-yne2-Butyn-1-yl bromide1-(Bromomethyl)-2-methylacetyleneB2190
External Identifiers
EC NUMBER: 608-891-3DSSTOX SUBSTANCE ID: DTXSID10373595UNII: E5C9V73V8CWIKIDATA ID: Q72452215bromo-2-butynebut-2-ynylbromide
Experimental Spectrum References
13C NMR Spectra1H NMR Spectra — Sigma-Aldrich Co. LLC.ATR-IR Spectra — Bio-Rad Laboratories, Inc.FTIR SpectraRaman Spectra — Bio-Rad Laboratories, Inc.

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

Additional text reference cues are not available for this catalog entry.

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

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RFQ questions for CAS 3355-28-0

What are the key identifiers for 1-Bromo-2-butyne (CAS 3355-28-0)?

1-Bromo-2-butyne is identified by CAS 3355-28-0, with molecular formula C4H5Br, molecular weight 132.99, InChIKey LNNXOEHOXSYWLD-UHFFFAOYSA-N.

Can I request a COA for CAS 3355-28-0?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for 1-Bromo-2-butyne?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 3355-28-0 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

Can MolGraph support bulk sourcing or custom synthesis review?

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