2-(β-D-Galactosidoxy)naphthol AS-LC
2-(β-D-Galactosidoxy)naphthol AS-LC (CAS: 94123-05-4) is a chromogenic substrate with a molecular weight of 519.93 g/mol. This compound is valuable in various biochemical and cellular studies. It is specifically employed as a substrate in enzymatic assays, particularly for detecting glycosidase activity. Its chromogenic nature allows for visual or spectrophotometric quantification of enzyme activity, making it a key reagent in molecular biology and glycobiology research.
- IUPAC
- 2-(β-D-Galactosidoxy)naphthalene-3-carboxylic acid (2,5-dimethoxy-4-chloroanilide,Naphthol AS-LC β-D-galactoside
- Synonyms
- 2-(β-D-Galactosidoxy)naphthalene-3-carboxylic acid (2,5-dimethoxy-4-chloroanilide,Naphthol AS-LC β-D-galactoside

Chromogenic Substrate for Enzyme Assays
This compound serves as a chromogenic substrate for detecting specific enzyme activities, particularly those involving galactosidase. Upon enzymatic cleavage, it releases a detectable colour, facilitating quantitative analysis in biochemical research.
Glycobiology Research
As a galactoside derivative, it finds application in studies related to glycobiology and post-translational modifications. It aids in understanding carbohydrate metabolism and the function of glycosyltransferases and glycosidases.
Cell Biology and Histology
Used in cell biology for visualizing enzyme localization or activity within cells and tissues. Its chromogenic properties are beneficial in histochemical staining and diagnostic applications in hematology and histology.
Molecular Biology Reagent
This chemical acts as a useful reagent in molecular biology laboratories for various assays and investigative procedures. It supports research into gene expression and protein function through enzymatic activity detection.
| Molecular weight | 519.93 |
|---|---|
| Empirical formula | C25H26ClNO9 |
| Storage temperature | −20°C |
| 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.
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.
What is 2-(β-D-Galactosidoxy)naphthol AS-LC used for?
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2-(β-D-Galactosidoxy)naphthol AS-LC is primarily used as a chromogenic substrate for detecting enzyme activity, particularly galactosidases, in biochemical, cell biology, and glycobiology research.
What are the CAS number and formula for 2-(β-D-Galactosidoxy)naphthol AS-LC?
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The CAS number is 94123-05-4, and the empirical formula is C25H26ClNO9.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product as a research grade chemical. We do not represent it as USP, BP, EP, or for food, nutraceutical, or pharmaceutical use.
How should 2-(β-D-Galactosidoxy)naphthol AS-LC be handled?
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Handle with appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter, in a well-ventilated area. Refer to the safety data sheet for comprehensive handling instructions.
How is 2-(β-D-Galactosidoxy)naphthol AS-LC packaged, shipped, and exported?
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This product is typically stored at -20°C. Packaging and shipping are conducted according to international regulations for chemical substances. TSS is experienced in global export.
How can I request a sample or quote for 2-(β-D-Galactosidoxy)naphthol AS-LC?
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To request a sample or quote, please use the contact form on our website or reach out to our sales team directly with your specific requirements.
Is this compound a controlled substance?
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The provided data does not indicate that 2-(β-D-Galactosidoxy)naphthol AS-LC is a controlled substance.
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