5-METHYLCHRYSENE (RING-13C6, 99%) 100 UG/ML IN NONA…

3,6-DICHLOROGENTISIC ACID (DCGA) (RING-13C6, 99%) 1…

BETA-N-METHYLAMINO-L-ALANINE 100 UG/ML IN 0.1M HCL …

NITENPYRAM 100 UG/ML IN METHANOL (METHYL-13C,ETHYL-…

2,4,6-TRINITROTOLUENE WETTED W/>33% H2O WT:WT(TNT) …

ACETAMINOPHEN (ACETYL-13C2, 99%; 15N, 98%+) 100 UG…

5,5-DIPHENYLHYDANTOIN (2-13C, 99%; 1,3-15N2, 98%) …

CYANURIC ACID 90%+ CHEMICAL PURITY (13C3, 99%; 15N…

GLYPHOSATE (CHEMICAL PURITY 96%) (2-13C, 99%; 15N,…

GLYPHOSATE (CHEMICAL PURITY 95%) (13C3, 99%; 15N, 9…