CAS 3076038-46-2 appears in our catalog under these names: 1-(9H-Fluoren-9-yl)-3-oxo-2,7,10,13,16,19,22,25,28,31,34,37-dodecaoxa-4-azatetracontan-40-oic acid, 95%, 95%, Fmoc-NH-PEG11-CH2CH2COOH, 98.53%. Offered by: Chemat, MedChemExpress. Available pack sizes: 1g, 5g, 10g, 100 mg, 50 mg, 25 mg.