Caffeine Back Catalog number: 98416 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 18000-2529-100ME5 Guanylurea-HCl, 100µg/ml in MeOH, 5ml Price on request T542500 Topotecan Hydrochloride, 5mg Price on request 673518 lambda-Cyhalothrin, 100 µg/ml, Ethyl acetate, 5m Price on request