Nitrite (NO2-) as N Back Catalog number: 50627 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0140.16-K-IO 3,3',5,5'-Tetramethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 25570-02-9 Price on request 11618.24-100-ME Spironolactone,100 µg/mL,MeOH,1mL, Price on request 676710 D5-threo-Chloramphenicol, 100 µg/ml, Acetone, 1m Price on request