QC Standard 2 Back Catalog number: 52085A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended B523500 Bis(2-propylheptyl) Phthalate, 50mg Price on request 679508 2,3-Pentandion, 100mg Price on request 674944 D5-Cetylpyridinium bromide, 100mg Price on request