Urea Back Catalog number: 93626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1590.12-100-IO 4-Hydroxycarbazole, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 52602-39-8 Price on request 0224.26-200-T Dibenzo[b,ghi]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 5869-30-7 Price on request MET-12007A-100MG Phthalamic acid, 100mg Price on request