Diphenhydramine hydrochloride, 100mg Back Catalog number: 680654 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 67035 Carbohydrate Calibration Standard Price on request 92682 Pesticide Mix #1 Price on request 10913 EPA Method 617/8080/8250/8270 - Analytes Price on request