Phenyl-β-D-galactopyranoside
Phenyl-β-D-galactopyranoside (CAS: 2818-58-8; Formula: C12H16O6; Molar Mass: 256.25 g/mol) is a chemical compound supplied by Tech Serve Solutions. This white to off-white powder is primarily utilised as a substrate in molecular biology and for the production of specific media components. Its reliable performance characteristics make it suitable for research applications.
- IUPAC
- P-Gal,Phenyl β-D-galactoside
- Synonyms
- P-GalPhenyl β-D-galactoside

Gene Reporter Substrates
Phenyl-β-D-galactopyranoside serves as a key substrate in gene reporter assays. It is used to detect and quantify the activity of beta-galactosidase, an enzyme commonly employed in molecular biology research.
Microbial Media Components
This compound is incorporated into specialised microbial growth media. It supports the growth and analysis of microorganisms in various molecular biology and protein expression studies.
Molecular Biology Research
Utilised in a range of molecular biology applications, Phenyl-β-D-galactopyranoside aids in studies involving enzyme activity and genetic analysis. Its consistent quality is vital for reproducible experimental outcomes.
| Molecular weight | 256.25 |
|---|---|
| Empirical formula | C12H16O6 |
| Assay | ≥98% (TLC) |
| Grade | for mineral oil production sites, untaxed |
| Form | powder |
| 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 Phenyl-β-D-galactopyranoside used for?
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Phenyl-β-D-galactopyranoside is used as a substrate in gene reporter assays, as a component in microbial media for molecular biology and protein expression, and in various molecular biology research applications.
What is the CAS number and molecular formula for Phenyl-β-D-galactopyranoside?
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The CAS number for Phenyl-β-D-galactopyranoside is 2818-58-8, and its molecular formula is C12H16O6.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phenyl-β-D-galactopyranoside with an assay of ≥98% (TLC). It is supplied for mineral oil production sites, untaxed.
How should Phenyl-β-D-galactopyranoside be handled and stored?
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Handle Phenyl-β-D-galactopyranoside with appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Store at -20°C.
Is Phenyl-β-D-galactopyranoside a controlled substance?
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The provided data does not indicate that Phenyl-β-D-galactopyranoside is a controlled substance. For specific regulatory information, please consult official documentation.
How can I request a sample or quote for Phenyl-β-D-galactopyranoside?
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To request a sample or a quote for Phenyl-β-D-galactopyranoside, please contact our sales team through the TSS website or by phone.
How is Phenyl-β-D-galactopyranoside packed and shipped?
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Phenyl-β-D-galactopyranoside is typically supplied as a powder and exported according to standard chemical shipping regulations. Specific packaging details can be provided upon request.
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