Surrogate Standard Back Catalog number: 90397 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-12467-S 1,2,4,6,7-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request A637775 5a-Androstenone, 5mg Price on request T293295 delta 9-Tetrahydrocannabivarol, 5mg Price on request