Retention Time Verification Standard Back Catalog number: 51136 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95814 Benzo(a)anthracene-d12 Price on request M338190 5-Methyluridine, 100mg Price on request 2406.9-K-IPX5 4-Isopropylphenol-d12, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 1219805-27-2 Price on request