Method 504.1LFB Mix Back Catalog number: 94019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2527.11-100MG 4-Isobutylbenzoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 38861-88-0 Price on request 10897.14-K-ME Lidocaine-d10 hydrochloride,1000 µg base/mL,MeOH,1mL Price on request N-12225-1G Isoamyl alcohol, 1g Price on request