Caffeine, 1000µg/ml in MeOH, 1ml Back Catalog number: 71151 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended S-4621-ASS-10DC Custom Mix of perdeuterated PAHs and native PCBs (II), >99% purity 0978.10 Naphthalene-d8 5000µg/mL 1524.12 Acenaphthene-d10 5000µg/mL 0389.14 Phenanthrene-d10 5000µg/mL 1337.16 Fluoranthene-d10 5000µg/mL 1088.20 Benzo[a]pyrene-d12 Price on request 95209 Glycol Mix Price on request 70076 Chloroform Price on request