COD Calibration Standard Back Catalog number: 50434 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19246 Vinyl chloride, 5000µg/ml in MeOH,1ml Price on request 680784 Propyzamide, 10 µg/ml, Cyclohexane, 10ml Price on request C080101 Caffeine-13C3, 5mg Price on request