Pyrene Back Catalog number: 92540 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50587 pH 12.0 Standard @ 25°C Price on request H290923 Hentriacontan-16-one, 1g Price on request 71240 2,3-Benzofluorene, 1000µg/ml in methylene chloride, 1ml Price on request