Supplier Page from Aladdin Scientific Corporation for 2-Hydroxy-3-methyl-1,4-naphthoquinone
2,6-Dimethylpyrazine from Aladdin Scientific Corporation
2-Methyl-1-naphthoic acid from Aladdin Scientific Corporation
Ammonium lauryl sulfate solution from Aladdin Scientific Corporation
N,N'-Di(1-naphthyl)benzidine (purified by sublimation) from Aladdin Scientific Corporation