EPA Method 1666Labeled Standard Back Catalog number: 82493 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70950 2,3-Dimethylpentane Price on request 683369 Hypoxanthine, 1000mg Price on request 12055.8-K-ME Tetrahydro-5-methyl-2-furanMeOH,1000 µg/mL,MeOH,1mL Price on request