Molekula
5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide sodium salt
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-beta-D-glucuronide sodium salt is a chromogenic substrate widely used in molecular biology and biochemistry for detecting glucuronidase activity, particularly in GUS reporter gene histochemistry in plant transgenics and in microbiological culture media for detecting Escherichia coli. This compound yields a blue indigo precipitate upon hydrolysis by beta-glucuronidase, enabling easy visualization of enzyme activity. CAS 129541-41-9, molecular formula C14H12BrClNNaO7, molecular weight 444.59 g/mol, requires storage at -15 to -20°C. No signal word applies.
Molekula supplies 5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide sodium salt in 100 mg and 1 g packs, from £172.68 inc. VAT. It is made or sourced to order. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
On backorder — expected to ship by 5 December 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 — £143.90 per pack ex VAT · £172.68 inc. VAT
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1 g — £197.70 per pack ex VAT · £237.24 inc. VAT
Need a different quantity or pack?
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/ off white solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
Identification
| Property | Value |
|---|---|
| SKU | 75081519 |
| CAS Number | 129541-41-9 |
| IUPAC Name | sodium (2S,3S,4S,5R,6S)-6-[(5-bromo-4-chloro-1H-indol-3-yl)oxy]-3,4,5-trihydroxyoxane-2-carboxylate |
| Molecular Formula | C14H12BrClNNaO7 |
| Molecular Weight | 444.59 |
| Exact Mass | 442.9383 |
| SMILES | C1=CC(=C(C2=C1NC=C2O[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)C(=O)[O-])O)O)O)Cl)Br.[Na+] |
| InChIKey | IBLSVGDGSKUDCT-CYRSAHDMSA-M |
| InChI | InChI=1S/C14H13BrClNO7.Na/c15-4-1-2-5-7(8(4)16)6(3-17-5)23-14-11(20)9(18)10(19)12(24-14)13(21)22;/h1-3,9-12,14,17-20H,(H,21,22);/q;+1/p-1/t9-,10-,11+,12-,14+;/m0./s1 |
| PubChem CID | 23664774 |
| REACH Code | Y113 |
| HTS Code | 29349944 |
| Tariff Code | 2934999090 |
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-3-indolyl beta-D-glucuronide sodium salt, tablet
- 5-Bromo-4-chloro-3-indolyl-b-D-glucuronide sodium salt
- 5-Bromo-4-chloro-3-indoxyl-beta-D-glucuronic acid, sodium salt trihydrate
- BC-Indicator,X-GlcA,X-glucuronide
- C14H12BrClNNaO7
- IBLSVGDGSKUDCT-CYRSAHDMSA-M
- X-GlcA CHA Salt
- X-Gluc (sodium)
- X-Glucuronide trihydrate;X-GlcA Na
- XGLUC Sodium Salt
Frequently asked questions
What is 5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide sodium salt (X-Gluc) commonly used for?
This compound is primarily used as a chromogenic substrate for detecting beta-glucuronidase activity, particularly for GUS reporter gene histochemical staining in transgenic plants and for detecting Escherichia coli in microbiological culture media.
What is the chemical formula and molecular weight of this product?
The chemical formula is C₁₄H₁₂BrClNNaO₇, and the molecular weight is 444.59 g/mol.
How should this product be stored?
Store at -15 to -20°C to maintain stability and prevent degradation.
What grade or purity is available for this compound?
The product specification describes its appearance as a white/off white solid. Please contact Molekula for batch-specific details, which are provided on the Certificate of Analysis.
Can Molekula supply this product in bulk quantities?
Yes, we can provide this product in bulk, subject to availability and minimum order quantities—please contact us for custom quotes.
What documentation comes with an order of this product?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Where can I buy 5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide sodium salt?
Directly from Molekula, which lists 5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide sodium salt in 100 mg and 1 g packs from £172.68 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.