Caffeine, 100µg/ml in MeOH, 1ml Back Catalog number: 97536 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 92618 Methanol (100ug/mL) Price on request 70465 trans-Permethrin, 1000µg/ml in MeOH, 1ml Price on request 675350 Metaflumizone (Z-isomer), 50mg Price on request