Ethyl-β-D-thiogalactopyranoside
Ethyl-β-D-thiogalactopyranoside (CAS: 56245-60-4), with the molecular formula C8H16O5S and a molecular weight of 224.27 g/mol, is a derivatised thiogalactopyranoside. It is structurally analogous to IPTG, a well-known inducer of gene expression. This compound finds utility in various scientific disciplines, including carbohydrate chemistry, chemical biology, and chemical synthesis, serving as a valuable reagent in research and development.
- IUPAC
- Ethyl β-D-thiogalactoside,Ethyl-1-thio-β-D-Gal,Ethyl-1-thio-β-D-galactopyranoside
- Synonyms
- Ethyl β-D-thiogalactosideEthyl-1-thio-β-D-GalEthyl-1-thio-β-D-galactopyranoside

Chemical Biology Research
Ethyl-β-D-thiogalactopyranoside serves as a valuable tool in chemical biology, acting as a derivatised thiogalactopyranoside. Its structural relation to known gene expression inducers allows for investigations into biological pathways and molecular mechanisms.
Carbohydrate Chemistry
As a carbohydrate derivative, this compound is utilised within carbohydrate chemistry for the synthesis of more complex molecules. Its unique structure, featuring a thio-glycosidic linkage, makes it an interesting building block for novel carbohydrate-based structures.
Chemical Synthesis
This thiogalactopyranoside derivative is employed as a reagent in chemical synthesis. Researchers can utilise its specific functional groups and stereochemistry to construct targeted molecules in organic chemistry laboratories.
| Molecular weight | 224.27 |
|---|---|
| Empirical formula | C8H16O5S |
| Assay | ≥98.0% (HPLC) |
| Storage temperature | −20°C |
| Application | Ethyl-β-D-thiogalactopyranoside is a derivitized thiogalactopyranoside structurally related to the gene expression inducer isopropyl-1-thio-β-D-galactopyranoside (IPTG). |
| 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 Ethyl-β-D-thiogalactopyranoside used for?
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Ethyl-β-D-thiogalactopyranoside is used in chemical biology research as a derivatised thiogalactopyranoside structurally related to gene expression inducers like IPTG, and in carbohydrate chemistry and chemical synthesis as a building block or reagent.
What is the CAS number and molecular formula?
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The CAS number for Ethyl-β-D-thiogalactopyranoside is 56245-60-4, and its molecular formula is C8H16O5S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl-β-D-thiogalactopyranoside with a minimum purity of ≥98.0% (HPLC). TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated in the product data.
How should Ethyl-β-D-thiogalactopyranoside be handled and stored?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves, and a type N95 (US) or type P1 (EN143) respirator filter. It should be stored at −20°C.
Is Ethyl-β-D-thiogalactopyranoside a hazardous substance?
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According to the WGK Germany classification, it is rated as 3, indicating it is hazardous. Appropriate safety precautions, including the use of personal protective equipment as specified, must be taken during handling.
Does TSS export this chemical?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and this product is available for export.
How can I request a quote or sample?
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Please contact our sales team via the website or direct contact details to request a quote or inquire about obtaining a sample of Ethyl-β-D-thiogalactopyranoside.
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