CAS 25209-52-3 appears in our catalog under these names: 2-(1-Hydroxycyclopentyl)-2-phenylacetic acid, 95%, Cyclopentolate EP Impurity A, 1-Hydroxy-alpha-Phenylcyclopentaneacetic Acid, >95% (HPLC), (2RS)-(1-Hydroxycyclopentyl)(phenyl)acetic Acid, (1-Hydroxycyclopentyl)phenylacetic acid. Offered by: Combi-blocks, Chemat Brand, TRC, Mikromol, Biosynth. Available pack sizes: 1g, 250mg, 100mg, on request, 10mg, 50mg, 25mg, 5mg.