Vanillyl mandelic acid
From Wikipedia, the free encyclopedia
| Vanillyl mandelic acid | |
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| IUPAC name | 2-hydroxy-2-(4-hydroxy-3-methoxy- phenyl)acetic acid |
| Identifiers | |
| CAS number | [] |
| PubChem | |
| MeSH | |
| Properties | |
| Molecular formula | C9H11NO4 |
| Molar mass | 197.188 g/mol |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Vanillyl mandelic acid (VMA) is a chemical end product of catecholamine metabolism. It is found in urine together with homovanillic acid (HVA). In timed urine tests its quantity (concentration μg /24 h) is assessed, along with creatinine clearance, and the concentration of cortisols, catecholamines, and metanephrines.
Urinary levels of vanillyl mandelic acid are raised in pheochromocytoma, a tumor of catecholamine-secreting chromaffin cells.
