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Acetylides

Organic compounds that contain a carbon - carbon triple bond substituted with a metal in the following structure: MC≡CM, where C is carbon and M is a metal.
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1 – 15 of 19 results
1

4-(2-Propyn-1-yl)morpholine 98.0+%, TCI America™

CAS: 5799-76-8 Molecular Formula: C7H11NO Molecular Weight (g/mol): 125.171 MDL Number: MFCD00510919 InChI Key: OKDZHAQIKCVKFE-UHFFFAOYSA-N Synonym: 4-Propargylmorpholine PubChem CID: 412941 IUPAC Name: 4-prop-2-ynylmorpholine SMILES: C#CCN1CCOCC1

PubChem CID 412941
CAS 5799-76-8
Molecular Weight (g/mol) 125.171
MDL Number MFCD00510919
SMILES C#CCN1CCOCC1
Synonym 4-Propargylmorpholine
IUPAC Name 4-prop-2-ynylmorpholine
InChI Key OKDZHAQIKCVKFE-UHFFFAOYSA-N
Molecular Formula C7H11NO
2

4-Ethynylphthalic Anhydride 98.0+%, TCI America™

CAS: 73819-76-8 Molecular Formula: C10H4O3 Molecular Weight (g/mol): 172.14 MDL Number: MFCD06200801 InChI Key: DXJLXGJIZZNCBO-UHFFFAOYSA-N PubChem CID: 11321228 IUPAC Name: 5-ethynyl-1,3-dihydro-2-benzofuran-1,3-dione SMILES: O=C1OC(=O)C2=C1C=CC(=C2)C#C

PubChem CID 11321228
CAS 73819-76-8
Molecular Weight (g/mol) 172.14
MDL Number MFCD06200801
SMILES O=C1OC(=O)C2=C1C=CC(=C2)C#C
IUPAC Name 5-ethynyl-1,3-dihydro-2-benzofuran-1,3-dione
InChI Key DXJLXGJIZZNCBO-UHFFFAOYSA-N
Molecular Formula C10H4O3
3
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3-Methoxyphenylacetylene, 96%

CAS: 768-70-7 Molecular Formula: C9H8O Molecular Weight (g/mol): 132.16 MDL Number: MFCD00160810 InChI Key: ZASXCTCNZKFDTP-UHFFFAOYSA-N Synonym: 3-ethynylanisole,3-methoxyphenylacetylene,1-ethynyl-3-methoxy-benzene,benzene, 1-ethynyl-3-methoxy,3-ethynyl-1-methoxybenzene,1-etynyl-3-methoxy-benzene,3-ethynyl-anisole,m-methoxyphenylacetylene,3-ethynylanisole 96 PubChem CID: 640753 IUPAC Name: 1-ethynyl-3-methoxybenzene SMILES: COC1=CC=CC(=C1)C#C

PubChem CID 640753
CAS 768-70-7
Molecular Weight (g/mol) 132.16
MDL Number MFCD00160810
SMILES COC1=CC=CC(=C1)C#C
Synonym 3-ethynylanisole,3-methoxyphenylacetylene,1-ethynyl-3-methoxy-benzene,benzene, 1-ethynyl-3-methoxy,3-ethynyl-1-methoxybenzene,1-etynyl-3-methoxy-benzene,3-ethynyl-anisole,m-methoxyphenylacetylene,3-ethynylanisole 96
IUPAC Name 1-ethynyl-3-methoxybenzene
InChI Key ZASXCTCNZKFDTP-UHFFFAOYSA-N
Molecular Formula C9H8O
4
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2-Ethynylpyridine, 98+%

CAS: 1945-84-2 Molecular Formula: C7H5N Molecular Weight (g/mol): 103.12 MDL Number: MFCD00041598 InChI Key: NHUBNHMFXQNNMV-UHFFFAOYSA-N Synonym: 2-ethynyl pyridine,2-pyridylacetylene,pyridine, 2-ethynyl,2-ethynyl-pyridine,pyridine, ethynyl,pyridin-2-yl acetylene,ethynylpyridine,ethynyl pyridine,ortho-ethynylpyridine PubChem CID: 137268 IUPAC Name: 2-ethynylpyridine SMILES: C#CC1=CC=CC=N1

PubChem CID 137268
CAS 1945-84-2
Molecular Weight (g/mol) 103.12
MDL Number MFCD00041598
SMILES C#CC1=CC=CC=N1
Synonym 2-ethynyl pyridine,2-pyridylacetylene,pyridine, 2-ethynyl,2-ethynyl-pyridine,pyridine, ethynyl,pyridin-2-yl acetylene,ethynylpyridine,ethynyl pyridine,ortho-ethynylpyridine
IUPAC Name 2-ethynylpyridine
InChI Key NHUBNHMFXQNNMV-UHFFFAOYSA-N
Molecular Formula C7H5N
5
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2-Ethynylpyridine, 98%, stab. with 0.01% hydroquinone

CAS: 1945-84-2 Molecular Formula: C7H5N Molecular Weight (g/mol): 103.124 MDL Number: MFCD00041598 InChI Key: NHUBNHMFXQNNMV-UHFFFAOYSA-N Synonym: 2-ethynyl pyridine,2-pyridylacetylene,pyridine, 2-ethynyl,2-ethynyl-pyridine,pyridine, ethynyl,pyridin-2-yl acetylene,ethynylpyridine,ethynyl pyridine,ortho-ethynylpyridine PubChem CID: 137268 IUPAC Name: 2-ethynylpyridine SMILES: C#CC1=CC=CC=N1

PubChem CID 137268
CAS 1945-84-2
Molecular Weight (g/mol) 103.124
MDL Number MFCD00041598
SMILES C#CC1=CC=CC=N1
Synonym 2-ethynyl pyridine,2-pyridylacetylene,pyridine, 2-ethynyl,2-ethynyl-pyridine,pyridine, ethynyl,pyridin-2-yl acetylene,ethynylpyridine,ethynyl pyridine,ortho-ethynylpyridine
IUPAC Name 2-ethynylpyridine
InChI Key NHUBNHMFXQNNMV-UHFFFAOYSA-N
Molecular Formula C7H5N
6
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Phenyl propargyl ether, 97+%

CAS: 13610-02-1 Molecular Formula: C9H8O Molecular Weight (g/mol): 132.16 MDL Number: MFCD00048107 InChI Key: AIQRJSXKXVZCJO-UHFFFAOYSA-N Synonym: phenyl propargyl ether,prop-2-ynyloxy benzene,prop-2-yn-1-yloxy benzene,phenyl 2-propynyl ether,benzene, 2-propynyloxy,3-phenoxy-1-propyne,2-propynyloxy benzene,phenylpropargyl ether,prop-2-ynyloxybenzene,ether, phenyl 2-propynyl PubChem CID: 83613 IUPAC Name: prop-2-ynoxybenzene SMILES: C#CCOC1=CC=CC=C1

PubChem CID 83613
CAS 13610-02-1
Molecular Weight (g/mol) 132.16
MDL Number MFCD00048107
SMILES C#CCOC1=CC=CC=C1
Synonym phenyl propargyl ether,prop-2-ynyloxy benzene,prop-2-yn-1-yloxy benzene,phenyl 2-propynyl ether,benzene, 2-propynyloxy,3-phenoxy-1-propyne,2-propynyloxy benzene,phenylpropargyl ether,prop-2-ynyloxybenzene,ether, phenyl 2-propynyl
IUPAC Name prop-2-ynoxybenzene
InChI Key AIQRJSXKXVZCJO-UHFFFAOYSA-N
Molecular Formula C9H8O
7
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Phenyl propargyl ether, 98+%

CAS: 13610-02-1 Molecular Formula: C9H8O Molecular Weight (g/mol): 132.16 MDL Number: MFCD00048107 InChI Key: AIQRJSXKXVZCJO-UHFFFAOYSA-N Synonym: phenyl propargyl ether,prop-2-ynyloxy benzene,prop-2-yn-1-yloxy benzene,phenyl 2-propynyl ether,benzene, 2-propynyloxy,3-phenoxy-1-propyne,2-propynyloxy benzene,phenylpropargyl ether,prop-2-ynyloxybenzene,ether, phenyl 2-propynyl PubChem CID: 83613 IUPAC Name: prop-2-ynoxybenzene SMILES: C#CCOC1=CC=CC=C1

PubChem CID 83613
CAS 13610-02-1
Molecular Weight (g/mol) 132.16
MDL Number MFCD00048107
SMILES C#CCOC1=CC=CC=C1
Synonym phenyl propargyl ether,prop-2-ynyloxy benzene,prop-2-yn-1-yloxy benzene,phenyl 2-propynyl ether,benzene, 2-propynyloxy,3-phenoxy-1-propyne,2-propynyloxy benzene,phenylpropargyl ether,prop-2-ynyloxybenzene,ether, phenyl 2-propynyl
IUPAC Name prop-2-ynoxybenzene
InChI Key AIQRJSXKXVZCJO-UHFFFAOYSA-N
Molecular Formula C9H8O
8
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5-Methyl-1-hexyne, 98%

CAS: 2203-80-7 Molecular Formula: C7H12 Molecular Weight (g/mol): 96.173 MDL Number: MFCD00041610 InChI Key: HKNANEMUCJGPMS-UHFFFAOYSA-N Synonym: 5-methyl-1-hexyne,1-hexyne, 5-methyl,isoheptyne,unii-lro6ea6hk1,lro6ea6hk1,isoamylacetylene,isohept-1-yne,acmc-1cg6t,hknanemucjgpms-uhfffaoysa PubChem CID: 137490 IUPAC Name: 5-methylhex-1-yne SMILES: CC(C)CCC#C

PubChem CID 137490
CAS 2203-80-7
Molecular Weight (g/mol) 96.173
MDL Number MFCD00041610
SMILES CC(C)CCC#C
Synonym 5-methyl-1-hexyne,1-hexyne, 5-methyl,isoheptyne,unii-lro6ea6hk1,lro6ea6hk1,isoamylacetylene,isohept-1-yne,acmc-1cg6t,hknanemucjgpms-uhfffaoysa
IUPAC Name 5-methylhex-1-yne
InChI Key HKNANEMUCJGPMS-UHFFFAOYSA-N
Molecular Formula C7H12
9
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1-Octyne, 99%

CAS: 629-05-0 Molecular Formula: C8H14 Molecular Weight (g/mol): 110.20 MDL Number: MFCD00009546 InChI Key: UMIPWJGWASORKV-UHFFFAOYSA-N Synonym: 1-octyne,hexylacetylene,octyne-1,n-octyne,hex-1-yl acetylene,pubchem13059,acmc-209na4,4-01-00-01034 beilstein handbook reference,1-octyne 10g PubChem CID: 12370 IUPAC Name: oct-1-yne SMILES: CCCCCCC#C

PubChem CID 12370
CAS 629-05-0
Molecular Weight (g/mol) 110.20
MDL Number MFCD00009546
SMILES CCCCCCC#C
Synonym 1-octyne,hexylacetylene,octyne-1,n-octyne,hex-1-yl acetylene,pubchem13059,acmc-209na4,4-01-00-01034 beilstein handbook reference,1-octyne 10g
IUPAC Name oct-1-yne
InChI Key UMIPWJGWASORKV-UHFFFAOYSA-N
Molecular Formula C8H14
10

eMolecules​ 33577-99-0 | Ambeed | Methyl 2-ethynylbenzoate | 250mg | 552687157 | A272766 | MFCD12547057 | 160.172 | C10H8O2

Ambeed | 1-(Bromomethyl)-3-(methylsulfonyl)benzene | 100mg | 517260041 | A144030 | 82657-76-9 | MFCD12025160 | 249.120 | C8H9BrO2S

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11

Medchemexpress LLC 3,6,9,12,15,18,21-Heptaoxatetracos-23-yn-1-ol | 1422023-54-8 | ≥97.0% | 250 MG
SDP

Propargyl-PEG7-alcohol is a chemical compound identified by CAS number 1422023-54-8. It has a molecular formula of C17H32O8 and a molecular weight of 364.43. This compound is typically found as a colorless to light yellow liquid, with a purity of ≥97.0%. It is intended for research use only.

  • Molecular formula: C17H32O8
  • Molecular weight: 364.43
  • Purity: ≥97.0%
  • Appearance: colorless to light yellow liquid
  • Storage for pure form: 3 years at -20°C, 2 years at 4°C
  • Storage in solvent: 6 months at -80°C, 1 month at -20°C

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12

Medchemexpress LLC Propargyl-PEG6-acid | 1951438-84-8 | ≥97.0% | 348.39 g/mol | C16H28O8 | 250 MG
SDP

Propargyl-PEG6-acid is a PEG-based linker and click chemistry reagent containing a terminal alkyne. It is used as a linker in PROTAC and ADC synthesis and for copper-catalyzed azide-alkyne cycloaddition (CuAAc) bioconjugation reactions.

  • cleavable PEG6 linker suitable for PROTAC and ADC synthesis
  • contains a terminal propargyl (alkyne) group for click chemistry
  • high purity (≥97.0% by NMR) suitable for research applications
  • molecular weight 348.39 g/mol, molecular formula C16H28O8
  • storage: pure form -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months) or -20°C (1 month)

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13

Medchemexpress LLC Propargyl-PEG2-amine | 944561-44-8 | 98.9% | 143.18 g/mol | C7H13NO2 | 500 MG
SDP

Propargyl-PEG2-amine is a PEG-based linker used as a non-cleavable linker in antibody-drug conjugate (ADC) synthesis and as a PEG-based PROTAC linker. It is supplied as a liquid reagent for bioconjugation and medicinal chemistry applications.

  • Non-cleavable ADC and PROTAC linker for bioconjugation.
  • PEG2 spacer with propargyl and amine functional groups.
  • High purity (98.9%) suitable for synthesis.
  • Liquid appearance, colorless to light yellow.
  • Molecular weight 143.18 g/mol; formula C7H13NO2.
  • Storage: refrigerate at 4°C, protect from light; in solvent store at -80°C (6 months) or -20°C (1 month).

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14

Medchemexpress LLC Propargyl-PEG4-GGFG-DXd | 2762518-94-3 | MFCD01346226 | 100.0% | 1083.12 | C54H63FN8O15 | 100 MG
SDP

Propargyl-PEG4-GGFG-DXd is a drug-linker conjugate for antibody-drug conjugates (ADCs) that links an ADC linker to the DNA topoisomerase I inhibitor DXd and provides a propargyl handle for bioorthogonal conjugation.

  • Molecular formula: C54H63FN8O15
  • Molecular weight: 1083.12
  • Cas number: 2762518-94-3
  • Purity: 99.99%
  • Appearance: solid, off-white to light yellow
  • Storage: 4°C sealed, away from moisture; in solvent: -80°C for 6 months, -20°C for 1 month
  • Package size: available in 5 mg, 10 mg, 25 mg, 50 mg, 100 mg; larger sizes available by quote

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15

Medchemexpress LLC Propargyl-PEG1-NH2 250mg | 122116-12-5 | 99.13 | C5H9NO | 250 MG
SDP

Propargyl-PEG1-NH2 is an alkyne-terminated PEG1 amine linker supplied as a research reagent for chemical biology and bioconjugation applications. It is a low-molecular-weight building block with documented purity and handling guidance.

  • Alkyne-terminated PEG1 amine for click chemistry and bioconjugation.
  • Purity 98.8% as provided by the supplier.
  • Molecular formula C5H9NO; molecular weight 99.13.
  • Available in small pack sizes, including 250 MG.
  • Store at 4°C and protect from light; in solvent store at -80°C (up to 6 months) or -20°C (up to 1 month).
  • Supplied with a data sheet and safety data sheet for handling and storage information.

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