Molekula
5-Bromo-4-chloro-3-indolyl-alpha-D-glucopyranoside (X-alpha-Glu)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
5-Bromo-4-chloro-3-indolyl-alpha-D-glucopyranoside (X-alpha-Glu) is a synthetic glycoside used primarily as a chromogenic substrate in enzymatic assays, particularly for detecting alpha-glucosidase activity, where enzymatic cleavage releases an indoxyl that forms an insoluble blue precipitate. It is a key reagent in molecular biology and diagnostic applications. CAS: 108789-36-2, Molecular Formula: C14H15BrClNO6, Molecular Weight: 408.63 g/mol, Storage: -15 to -20 °C. Molekula supplies X-alpha-Glu from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
On backorder — expected to ship by 26 November 2026
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 mg — $127.20 per pack
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
Identification
| Property | Value |
|---|---|
| SKU | 90028168 |
| CAS Number | 108789-36-2 |
| IUPAC Name | (2R,3R,4S,5S,6R)-2-[(5-bromo-4-chloro-1H-indol-3-yl)oxy]-6-(hydroxymethyl)oxane-3,4,5-triol |
| Molecular Formula | C14H15BrClNO6 |
| Molecular Weight | 408.63 |
| Exact Mass | 406.9771 |
| SMILES | C1=CC(=C(C2=C1NC=C2O[C@@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O)O)O)Cl)Br |
| InChIKey | OPIFSICVWOWJMJ-HRNXZZBMSA-N |
| InChI | InChI=1S/C14H15BrClNO6/c15-5-1-2-6-9(10(5)16)7(3-17-6)22-14-13(21)12(20)11(19)8(4-18)23-14/h1-3,8,11-14,17-21H,4H2/t8-,11-,12+,13-,14+/m1/s1 |
| PubChem CID | 2733916 |
| REACH Code | Y113 |
| HTS Code | 29400060 |
| Tariff Code | 2940000080 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 5-bromo-4-chloro-1H-indol-3-yl alpha-D-glucopyranoside
- 5-Bromo-4-chloro-3-indolyl ?-D-glucopyranoside
- 5-Bromo-4-chloro-3-indolyl a-D-galactopyranoside
- 5-Bromo-4-chloro-3-indolyl a-D-glucopyranoside
- 5-bromo-4-chloro-3-indolyl alpha-D-glucoside
- 5-Bromo-4-chloro-3-indolyl-alpha-D-glucopyranoside
- 5-Bromo-4-chloro-3-indoxyl-alpha-D-glucopyranoside
- 5-bromo-4-chloroindoxyl alpha-D-glucoside
- X-| cent-D-Glc
- X-alpha-Glc
Frequently asked questions
What is 5-Bromo-4-chloro-3-indolyl-alpha-D-glucopyranoside used for?
It is primarily used as a chromogenic substrate in enzyme assays, particularly for detecting alpha-glucosidase activity, for example in chromogenic culture media and in yeast reporter assays where cleavage produces a blue color.
What is the chemical formula and molecular weight of X-alpha-Glu?
The formula is C14H15BrClNO6 with a molecular weight of 408.63 g/mol.
How should X-alpha-Glu be stored?
It should be stored at -15 to -20 °C to maintain stability and prevent degradation.
What grade is available for this product?
This product is available in high-purity research grade, suitable for laboratory use.
Can Molekula supply X-alpha-Glu in bulk quantities?
Yes, Molekula can supply X-alpha-Glu in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of X-alpha-Glu?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.