WS Turbidity Back Catalog number: 55021 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 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 90822 PAH Standard Price on request 684871 Cinnamaldehyde, 250mg Price on request