Tropic acid

Tropic acid
Names
	Preferred IUPAC name 3-Hydroxy-2-phenylpropanoic acid
	Other names 2-Phenylhydracrylic acid; Tropate
Identifiers
CAS Number	529-64-6 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:CHEBI:30765 ;
ChemSpider	10274 ;
ECHA InfoCard	100.008.201
EC Number	209-020-6;
KEGG	C01456 ;
MeSH	C011377
PubChem CID	10726;
UNII	9RM4U80765 ;
CompTox Dashboard (EPA)	DTXSID90862179 ;
	InChI InChI=1S/C9H10O3/c10-6-8(9(11)12)7-4-2-1-3-5-7/h1-5,8,10H,6H2,(H,11,12) Key: JACRWUWPXAESPB-UHFFFAOYSA-N ; InChI=1/C9H10O3/c10-6-8(9(11)12)7-4-2-1-3-5-7/h1-5,8,10H,6H2,(H,11,12) Key: JACRWUWPXAESPB-UHFFFAOYAV;
	SMILES C1=CC=C(C=C1)C(CO)C(=O)O;
Properties
Chemical formula	C9H10O3
Molar mass	166.176 g·mol−1
Melting point	116 °C (241 °F; 389 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Tropic acid is a chemical with IUPAC name 3-hydroxy-2-phenylpropanoic acid and condensed structural formula HOCH₂CHPhCOOH. It is a laboratory reagent used in the chemical synthesis of atropine and hyoscyamine. Tropic acid is a chiral substance, existing as either a racemic mixture or as a single enantiomer.