IC Standard 1B Back Catalog number: 50700A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 15900-5805-100WS1 Guazatine acetate salt, 100µg/ml in Water, 1ml Price on request 72604 Sulfamethoxazole, 1000µg/ml in MeOH, 1ml Price on request 676567 Ethyl methyl sulfide, 1ml Price on request