Vanillic acid

2D Structure
CID 8468
Target Htr2a
IUPAC Name 4-hydroxy-3-methoxybenzoic acid
InChI InChI=1S/C8H8O4/c1-12-7-4-5(8(10)11)2-3-6(7)9/h2-4,9H,1H3,(H,10,11)
InChI Key WKOLLVMJNQIZCI-UHFFFAOYSA-N
Canonical SMILES COC1=C(C=CC(=C1)C(=O)O)O
Isomeric SMILES COC1=C(C=CC(=C1)C(=O)O)O
Molecular Formula C8H8O4
Molecular Weight 168.15
synonyms ['Vanillic acid', '121-34-6', 'Acide vanillique', 'p-Vanillic acid', '3-Methoxy-4-hydroxybenzoic acid', 'm-Anisic acid, 4-hydroxy-', 'Protocatechuic acid, 3-methyl ester', 'NSC 3987', 'NSC 674322', 'UNII-GM8Q3JM2Y8', 'EINECS 204-466-8', 'GM8Q3JM2Y8', 'BRN 2208364', 'CHEBI:30816', 'AI3-19542', 'NSC-3987', 'NSC-674322', 'VA', 'DTXSID6059522', 'FEMA NO. 3988', 'DROXIDOPA METABOLITE (VA)', '2-METHOXY-4-CARBOXYPHENOL', 'M-METHOXY-P-HYDROXY-BENZOIC ACID', 'Acid, Vanillic', '4 Hydroxy 3 methoxybenzoic Acid', 'p Hydroxy m methoxy benzoic Acid', 'p-Hydroxy-m-methoxy-benzoic Acid', 'Acid, 4-Hydroxy-3-methoxybenzoic', 'Acid, p-Hydroxy-m-methoxy-benzoic', 'DTXCID1033668', '204-466-8', '4-HYDROXY-3-METHOXYBENZOIC ACID', 'Benzoic acid, 4-hydroxy-3-methoxy-', 'VanillicAcid', 'MFCD00002551', '4-hydroxy-3-methoxy-Benzoic acid', 'CHEMBL120568', '4-hydroxy-3-methoxy benzoic acid', 'NSC674322', 'VA (VAN)', 'VNL', '4-hydroxy-m-Anisic acid', 'Vanillinsaure', 'p-Vanillate', 'Vanilic acid', '4-Hydroxy-3-methoxybenzoicacid', '4-hydroxy-m-Anisate', 'Vanillic acid (M2)', 'Vanillic acid, 97%', 'Vanillic acid (Standard)', 'bmse000486', 'bmse000614', 'bmse010205', 'WLN: QVR DQ CO1', 'VANILLIC ACID [MI]', '3-Methoxy-4-hydroxybenzoate', 'SCHEMBL26179', 'MLS000574833', '4-hydroxy-3-methoxy-Benzoate', 'Vanillic acid, >=97%, FG', '4-hydroxy-3methoxy benzoic acid', 'HY-N0708R', '4-hydroxyl-3-methoxybenzoic acid', 'NSC3987', '4- hydroxy-3-methoxybenzoic acid', 'HMS2197E16', 'Protocatechuic acid 3-methyl ester', 'HY-N0708', 'MSK40128', 'STR02334', 'BBL011982', 'BDBM50337364', 'CK2172', 's5343', 'STL163472', 'AKOS000113195', 'CCG-266343', 'FH00443', 'NCGC00247610-01', '1ST40128', 'AC-11841', 'BP-13246', 'SMR000156289', 'SY001450', 'DB-003804', 'Vanillic acid, purum, >=97.0% (HPLC)', 'CS-0009728', 'NS00014581', 'V0017', '4-HYDROXY-3-METHOXYBENZOIC ACID [FHFI]', 'C06672', 'EN300-105765', 'Vanillic acid, Vetec(TM) reagent grade, 97%', 'AM-331/20714013', 'Q419672', 'Z381356666', 'Vanillic acid, certified reference material, TraceCERT(R)', '3E9555E5-85F5-4FCE-A429-5182E959C6A3', 'InChI=1/C8H8O4/c1-12-7-4-5(8(10)11)2-3-6(7)9/h2-4,9H,1H3,(H,10,11']

From Pubchem