Diphenhydramine hydrochloride, 100mg Back Catalog number: 680654 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended X9222 o-Xylene, 100µg/mL in MeOH, 1ml Price on request 59755 ICP Standard Price on request 59109 EPA Method 200.8Mix Price on request