DIBENZO[A,L]PYRENE (13C6, 99%) 100 UG/ML IN NONANE…

TRIS(2,4,6-TRIBROMOPHENOXY)-1,3,5-TRIAZINE (13C18, …

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%) …

FIPRONIL SULFIDE(3-CYANO,PYRAZOLE-3,4,5-13C4,99%; …

BIS(2-CHLOROETHOXY)-D8-METHANE (D, 98%)…

1,3-DICHLORO-2-PROPANOL (D5, 98%)…