Naphthol hydroxamic acid - (see: N-Hydroxynaphthalimide; N,N-Naphthaloylhydroxylamine)

a-Naphtholphthalein, A.R. - pH indicator

1-Naphthoquinoline - (see: 7,8-Benzoquinoline) - Store at 2 - 8ºC

1,4-Naphthoquinone - Store at 2 - 8ºC

1,2-Naphthoquinone-4sulphonic acid sodium salt, A.R. - Store at 2 - 8ºC

Naphthoresorcinol - (see: 1,3-Dihydroxynaphthalene)

1-Naphthoylhydrazine - (see: 1-naptholhydrazine)

1-Naphthylacetate - (see: Acetic acid-1-naphthylester) -Store at 0 - 4ºC

2-Naphthylacetate - (see: Acetic acid-b-naphthylester) - Store at 0 - 4ºC

a-Naphthylamine - (see: 1-Aminonaphthalene) - Store at 2 - 8ºC

b-Naphthylamine - (see: 2-Aminonaphthalene) - Store at 2 - 8ºC

N-(1-Naphthyl) aniline - [see: N-Phenyl-1-naphthylamine) - Store at 2 - 8ºC

2-Naphthylbenzoate - (see: Benzoic acid-2-naphthyl ester)

1-Naphthylbutyrate - Store below 0ºC

2-(1-Naphthylmethyl)-2-imidazoline hydrochloride -[see: Naphazoline hydrochloride]

1-Naphthyl phosphate monosodium salt, monohydrare, A.R. -(see: Sodium-1-naphthyl phosphate, monohydrate, A.R. -Store at 0 - 4ºC

Naringenin - (4',5,7-Trihydroxyflavanone)

Natural Red-4, Certified - Carminic acid -(see: Carmine, Certified

Natural red - 28 - (see: Orcein)

Natural yellow - (see: Curcumine, Crystalline; Turmeric yellow) - Store at 0 - 4ºC

Neocuproine, A.R. - (see: 2,9-Dimethyl-1,10-phenanthroline, A.R.)

Neocuproine hydrochloride - (see: 2,9-Dimethyl-1,10-phenanthroline hydrochloride)