2-Propynoic acid, methyl ester

• Formula: C₄H₄O₂
• Molecular weight: 84.0734
• IUPAC Standard InChI: InChI=1S/C4H4O2/c1-3-4(5)6-2/h1H,2H3 Copy

  
• IUPAC Standard InChIKey: IMAKHNTVDGLIRY-UHFFFAOYSA-N Copy
• CAS Registry Number: 922-67-8
• Chemical structure:
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• Other names: Propiolic acid, methyl ester; Methyl acetylenecarboxylate; Methyl ethynecarboxylate; Methyl propiolate; Methyl propynoate; Acetylenecarboxylic acid methyl ester; Propynoic acid, methyl ester; NSC 154164
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• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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