O,O-Diethylthiophosphate-13C2, sodium salt Back Catalog number: 10709.4-100-MEX5 Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 681255 D4-1H-Benzotriazole, 100 µg/ml, Methanol, 1ml Price on request L15560000CY Nitrofen, 10µg/ml in Cyclohexane, 10ml Price on request 30027 EPA Method 525 - Pesticide Standard Price on request