Urea Back Catalog number: 93626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59436 pH 4.0 Standard @ 25°C Price on request 0405.26-150-CYX10 n-Hexacosane, ?13C: - 34.35, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 630-01-3 Price on request 53031 Spike Sample Standard 3 Price on request