Hexamethylphosphoramide Back Catalog number: 71262 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2540.7-50MG Paraxanthine, neat, Solvent-neat, Unit 50mg, # of units-1, Cas.no. 611-59-6 Price on request 679596 Promazine hydrochloride, 100mg Price on request 79242 2,2’-Dinitrodiphenylamine Price on request