Naphthol AS-BI β-D-galactopyranoside

CAS 51349-63-4C24H24NO8BrBiochemicals & Reagents

Naphthol AS-BI β-D-galactopyranoside (CAS: 51349-63-4) is a chemical compound with the formula C24H24NO8Br and a molecular weight of 534.35 g/mol. It functions as a chromogenic substrate, primarily utilised in biochemical and molecular biology research. This compound is valuable for detecting enzyme activity, particularly beta-galactosidase, leading to the formation of an insoluble precipitate. Its applications extend to histochemical staining and various diagnostic assays.

IUPAC: 2-Naphthalenecarboxamide, 7-bromo-3-(β-D-galactopyranosyloxy)-N-(2-methoxyphenyl)-

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Naphthol AS-BI β-D-galactopyranoside (C24H24NO8Br) — chemical structure, CAS 51349-63-4; Life Science, fine chemical supplied by Tech Serve Solutions

Biochemicals and ReagentsChromogenicDetectionEnzyme SubstratesEnzymesInhibitorsand SubstratesGalactosideGlycobiologyHistochemical (insoluble)

01 /Applications

Enzyme Activity Detection

Serves as a chromogenic substrate for the detection of beta-galactosidase activity in biochemical and molecular biology applications. Upon enzymatic cleavage, it yields an insoluble coloured precipitate, facilitating visual identification and quantification.

Histochemical Staining

Used in histochemical applications for the precise localization of enzyme activity within tissue samples. The insoluble product formed aids in detailed cellular and subcellular analysis.

Diagnostic Assays

Incorporated into diagnostic assay development, particularly for detecting specific enzyme markers related to various biological processes or conditions. It is instrumental in research settings exploring post-translational modifications and proteomics.

02 /Properties

Molecular weight	534.35
Linear formula	C24H24NO8Br
Storage temperature	−20°C

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

51349-63-4

MDL number

MFCD00076133

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Naphthol AS-BI β-D-galactopyranoside used for?

Naphthol AS-BI β-D-galactopyranoside is primarily used as a chromogenic substrate for detecting beta-galactosidase activity in biochemical, molecular biology, and histochemical applications, leading to the formation of an insoluble coloured precipitate.

What is the CAS number and formula for Naphthol AS-BI β-D-galactopyranoside?

The CAS number is 51349-63-4 and the molecular formula is C24H24NO8Br.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Naphthol AS-BI β-D-galactopyranoside for research and development purposes. The specific grade and purity are available upon request, and it is not represented as USP, BP, EP, or pharmaceutical grade.

What are the safety and handling considerations for this product?

Handling Naphthol AS-BI β-D-galactopyranoside requires appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. The product has a WGK Germany rating of 3, indicating a high hazard to water.