CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 20006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678219 1-(4-Isopropylphenyl)urea, 100mg Price on request 32221 1,2-Dichloroethane Price on request 8654.14-100-NN 4,4'-DDT-13C12 Price on request