Sudan 4, certified, 0.25g Back Catalog number: C16986104 Availability: In the manufacturer's stock Price on request - + Recommended FPRPA 3-Perfluoropropyl propanoic acid (3:3), 50µg/ml in MeOH, 1,2ml 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 59028 Formic acid Price on request