Nitrogen Set for ASTM D6366: N @ 10, 25, 50, 75, 100 ng/μL in Isooctane, set(2) Back Catalog number: VHG-NCED-SET2 Availability: In the manufacturer's stock Price on request - + Recommended 1689.1-1ML Bromoform, in Certan bottle, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 75-25-2 Price on request 677978 Methacrifos, 100 µg/ml, Toluene, 1ml Price on request S-4276-30-IO S-4276Methylnaphthalenes Compound Prod.no. CAS no. Batch Purity Grav. conc. 1,2,3-Trimethylnaphthalene 0700.13 879-12-9 1340 94.2 % 30 ppm 1,2,4-Trimethylnaphthalene 0701.13 2717-42-2 2385 >99.5 % 30 ppm 1,2,5-Trimethylnap Price on request