Method 1640Mix A Back Catalog number: 53146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71941 2-Chloroanthracene Price on request 70283 Toxaphene Price on request 12116.18-100-ME Clindamycin hydrochloride,100 µg/mL,MeOH,1mL, Price on request