(-)-delta-9-THC-acid-13C4 Back Catalog number: 10396.21-50-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 72054 1,2,4-Trichlorobenzene-d3 Price on request 675827 Demeton-S-methyl-sulfone, 100 µg/ml, Toluene, 1m Price on request C16284000 Ponceau 4RC (E124), certified, 0.1g Price on request