Doxepin hydrochloride (cis+trans) Back Catalog number: 9400.19-K-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 93188 EPA Method 528 Internal Standard Price on request 83509 EPA Method 8315 Calibration Mix #1 Price on request 72300 2-Chlorobenzaldehyde Price on request