Sodium azide is used as a preservative for laboratory reagents; a bacteriostatic agent in storage solutions. Inhibits gram negative flora so is therefore included in culture media for the selective isolation of Streptococci and Staphylococci. It has been used to avoid bacterial contamination during…

4-Nitrophenyl phosphate, disodium salt hexahydrate PNPP, p-nitrophenyl phosphate, para nitrophenyl phosphate, PNP-phos · 2 Na   MOLECULAR BIOLOGY GRADE   Off white to light yellow crystalline powder   Chromogenic substrate yielding a soluble yellow chromophor for the…

Phosphocreatine disodium salt  Handling: Store at 5°C, protect from light PubChem Chemical ID: 24856872 Features Synomyms: Sodium creatine phosphate dibasic tetrahydrate, CAS# : 71519-72-7 Molecular Formula: …

4-Chloro-1-naphthol   MOLECULAR BIOLOGY GRADE   Off-white to gray crystalline powder (needles)   Substrate for horseradish peroxidase (HRP). HRP catalyzes oxidation of 4-chloro-1-naphthol in the presence of peroxide to the blue insoluble product 4-chloro-1-naphthon. It is used…

1-O-Methyl-α- D- galactopyranoside 1-O-Methyl-galactoside 1-OMe-alpha-D-Gal   MOLECULAR BIOLOGY GRADE White to off white crystalline powder   A gratuitous α-galactoside inducer   Store at 2-8°C and protect from light. …