5-Hexynoic acid, ethyl ester

CAS 108545-38-6 C₈H₁₂O₂ 140.18 g/mol Catalogue item Terminal Alkynes

Structure of 5-Hexynoic acid, ethyl ester, CAS 108545-38-6 — Structure · C8H12O2

CAS number: 108545-38-6
Molecular formula: C₈H₁₂O₂
Molecular weight: 140.18 g/mol
Standard packing: 1kg / 25kg / 100kg

CAS 108545-38-6, 5-Hexynoic acid, ethyl ester, enters the catalogue as a C8H12O2 alkyne with a molecular weight of 140.18.

Partial hydrogenation, cycloaddition and alkyne metathesis are the reactions this entry is bought for, and the substitution pattern is what makes them selective.

The formula C8H12O2 resolves to 8 carbons with 2 oxygens. At 8 carbons the entry is an oil or a low-melting solid, and it is handled at ambient temperature in most steps.

Handling and storage

The container is kept sealed and out of light. Alkynes are checked for the coupled diyne before use, because that is the impurity that builds on standing.

Ordering

Standard packing 1kg / 25kg / 100kg. Other unit weights are quoted per lot and confirmed in writing before the material is packed. Assay is lot specific and stated on the certificate; no catalogue grade is implied where no assay is held on file.

Other terminal alkynes entries

All 27 in this group →

CAS	Compound	Formula	MW	Packing	Quote
764-93-2	1-Decyne	C₁₀H₁₈	138.25	1kg / 25kg / 100kg	Request
17356-19-3	1-Ethynylcyclopentanol	C₇H₁₀O	110.15	1kg / 25kg / 100kg	Request
491862-64-7	1-Methyl-2-propyn-1-yl 5-hexynoate	C₁₀H₁₂O₂	164.20	1kg / 25kg / 100kg	Request
818-72-4	1-Octyn-3-ol	C₈H₁₄O	126.20	1kg / 25kg / 100kg	Request
4187-86-4	1-Pentyn-3-ol	C₅H₈O	84.12	1kg / 25kg / 100kg	Request
622-76-4	1-Phenyl-1-butyne	C₁₀H₁₀	130.19	1kg / 25kg / 100kg	Request
18202-10-3	11-Dodecyn-1-ol	C₁₂H₂₂O	182.30	1kg / 25kg / 100kg	Request
65686-49-9	11-Hexadecyn-1-ol	C₁₆H₃₀O	238.41	1kg / 25kg / 100kg	Request

Specification

CAS	108545-38-6
Formula	C₈H₁₂O₂
Molecular weight	140.18 g/mol
Packing	1kg / 25kg / 100kg
Assay	lot specific, on COA
Appearance	see COA
Storage	cool, dry, inert

Ordering

Catalogue items ship from stock or are made to order, whichever the lot status requires. A gram-scale sample is available before a kilo lot is committed.

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Supplied for laboratory and industrial use. Not for drug, cosmetic or household use.

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Entry	5-Hexynoic acid, ethyl ester
CAS	108545-38-6
Typical lead time	Stock or 2–4 weeks
Documentation	COA, SDS, spec sheet

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5-Hexynoic acid, ethyl ester (108545-38-6)

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