5-Bromo-4-chloro-3-indolyl-a-D-glucopyranoside
Synonym(s):X-α-Gal;X-α-Glc;X-α-glucoside
- CAS NO.：108789-36-2
- Empirical Formula: C14H15BrClNO6
- Molecular Weight: 408.63
- MDL number: MFCD00155606
- EINECS: 1533716-785-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:21:07
What is 5-Bromo-4-chloro-3-indolyl-a-D-glucopyranoside?
Chemical properties
white to off-white fine crystalline powder
The Uses of 5-Bromo-4-chloro-3-indolyl-a-D-glucopyranoside
suitable as substrate for α-glucosidase; substrate used in the Druggan-Forsythe-Iversen medium (DFI agar) for the selective detection of Enterobacter sakazakii in infant milk
Definition
ChEBI: 5-bromo-4-chloro-3-indolyl alpha-D-glucoside is an indolyl carbohydrate that is the alpha-D-glucoside of indoxyl in which the indole moiety is substituted at positions 4 and 5 by chlorine and bromine, respectively. It is an organobromine compound, an organochlorine compound, an indolyl carbohydrate, a D-aldohexose derivative and an alpha-D-glucoside. It is functionally related to an indoxyl.
General Description
5-Bromo-4-chloro-3-indolyl α-D-glucopyranoside, X-Gluc, is a indigogenic substrate for β- glucuronidase enzyme (GUS). It aids screening of transgenic plants based on GUS activity. GUS deesterifies X-Gluc into indoxyl derivative which upon oxidative polymerization results in the generation of blue indigotin dye.
Properties of 5-Bromo-4-chloro-3-indolyl-a-D-glucopyranoside
| Boiling point: | 674℃ |
| Density | 1.882 |
| refractive index | 1.6110 (estimate) |
| Flash point: | 361℃ |
| storage temp. | -20°C |
| pka | 12.74±0.70(Predicted) |
| form | powder |
| color | White |
| optical activity | [α]/D 105.0±5.0°, c = 1 in DMF/H2O 1:1 |
Safety information for 5-Bromo-4-chloro-3-indolyl-a-D-glucopyranoside
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 5-Bromo-4-chloro-3-indolyl-a-D-glucopyranoside
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