EPA Method 1657 Analytes Back Catalog number: 31784 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 13450-0101D-100CY Tonalide-d3, 100µg/ml in Cyclohexane, 5ml Price on request D449668 5,6-Dihydrouridine, 5mg Price on request SC-213046 Tiglyl glycine,>95%, 100mg Price on request