CAS 2761976-81-0 appears in our catalog under these names: 1-(Cyclopropylmethyl)-1H-pyrazolo(3,4-d)pyrimidine-6-carboxylic acid, 95%, 1-(Cyclopropylmethyl)pyrazolo[3,4-d]pyrimidine-6-carboxylic Acid, ≥97%, ≥97%. Offered by: AmBeed, Chemat. Available pack sizes: 1g, 100mg, 250mg.