Aromatics Quantitative Calibration Mix #4 Back Catalog number: 51132 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674947 Hexadecyltrimethylammonium chloride, 100mg Price on request 9718.3 Propandiamine-1,2-13C2, , Solvent-, Unit , # of units-, Cas.no. 108-13-4 (unlabelled) Price on request 71787 2-Chloro-m-xylene Price on request