N,N'-Diphenyl-1,4-phenylenediamine, 250mg Back Catalog number: 677669 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4466-2K-5ME ISO 15680 Stock Calibration Standard Solution 2 13 Analytes to be used with Internal standard S2, each 2000µg/mL in methanol; unit: 1x5mL 1352.1 Tetrachloromethane [56-23-5] 3952.3 1,1-Dichloropropane [563-58-6] 1300.6 Benzene [71-43-2] 1355.2 1,2-D Price on request 8999.21-100-ME 17-Hydroxyprogesterone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 68-96-2 Price on request S-4161-10ML 4 Deuterated Compounds Internal Standard Mix 4 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% Benzene-d6 16.7 Naphthalene-d8 8.8 Ethylbenzene-d10 16.5 Toluene Price on request