Surrogate Standard Back Catalog number: 97935 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11091.8-10MG 5-Ethyl-2-methylpyridine,neat,neat,10mg Price on request 10233 EPA Method 617/8080/8250/8270 - Analytes Price on request 11852.20-50MG Amitriptyline-d6 hydrochloride (N,N-dimethyl-d6),neat,neat,50mg Price on request