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4-Hydroxy-3-methoxybenzoic acid

View entire compound with spectra: 27 NMR, 8 FTIR, 1 Raman, 1 UV-Vis, and 16 MS (GC)

4-Hydroxy-3-methoxybenzoic acid
SpectraBase Compound ID Fc40WLZB2Dn
InChI InChI=1S/C8H8O4/c1-12-7-4-5(8(10)11)2-3-6(7)9/h2-4,9H,1H3,(H,10,11)
InChIKey WKOLLVMJNQIZCI-UHFFFAOYSA-N
Mol Weight 168.15 g/mol
Molecular Formula C8H8O4
Exact Mass 168.042259 g/mol

Transmission Infrared (IR) Spectrum

Transmission Infrared (IR) Spectrum

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SpectraBase Spectrum ID BMj0By4VDQP
Name Vanillic acid
Source of Sample Sigma-Aldrich Co. LLC.
Catalog Number W398802
Lot Number 05608BH
CAS Registry Number 121-34-6
Copyright Copyright © 2021-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021-2025 John Wiley & Sons, Inc. All Rights Reserved.
Formula C8H8O4
InChI InChI=1S/C8H8O4/c1-12-7-4-5(8(10)11)2-3-6(7)9/h2-4,9H,1H3,(H,10,11)
InChIKey WKOLLVMJNQIZCI-UHFFFAOYSA-N
Molecular Weight 168.148 g/mol
Purity >=97%
Source of Spectrum Sigma-Aldrich Co. LLC.
Synonyms 4-Hydroxy-3-methoxybenzoic acid
Technique Between salts
Wiley ID SIAL_FF-FTIR_002088