5-Bromo-3-indolyl-beta-D-galactopyranoside
- CAS No.
- 97753-82-7
- Chemical Name:
- 5-Bromo-3-indolyl-beta-D-galactopyranoside
- Synonyms
- BLUE-GAL;5-Bromo-3-indolyl-b-D-galactopyranoside;BLUO-GAL;LAPIS(TM)-BETA-D-GAL;5-Bromo-3-indolyl β3-β-D-Galactosidoxy-5-brom-indol;5-Bromo-3-indolyl-β-D-galactoside;5-BROMO-3-INDOLYL-B-D-GALACTOSIDE;5-BroMoindol-3-yl-b-D-galactoside;5-bromo-3-indolyl-beta-galactoside
- CBNumber:
- CB1739769
- Molecular Formula:
- C14H16BrNO6
- Molecular Weight:
- 374.18
- MDL Number:
- MFCD00063691
- MOL File:
- 97753-82-7.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Melting point | 195 °C |
|---|---|
| alpha | -34.5 º (c=1% in DMF/H2O 1:1) |
| Boiling point | 646.6±55.0 °C(Predicted) |
| Density | 1.824±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| solubility | DMF: soluble |
| form | Powder |
| pka | 12.82±0.70(Predicted) |
| color | White |
| optical activity | [α]20/D 34.5±2.0°, c = 1% in DMF/H2O 1:1 |
| Water Solubility | Soluble in dimethylformamide (100 mg/ml), dimethylformamide/water (1:1 v/v) (10 mg/ml - clear, practically colorless solution). |
| BRN | 1550140 |
| InChI | 1S/C14H16BrNO6/c15-6-1-2-8-7(3-6)9(4-16-8)21-14-13(20)12(19)11(18)10(5-17)22-14/h1-4,10-14,16-20H,5H2/t10-,11+,12+,13-,14-/m1/s1 |
| InChIKey | LINMATFDVHBYOS-MBJXGIAVSA-N |
| SMILES | OC[C@H]1O[C@@H](Oc2c[nH]c3ccc(Br)cc23)[C@H](O)[C@@H](O)[C@H]1O |
| CAS DataBase Reference | 97753-82-7(CAS DataBase Reference) |
| UNSPSC Code | 12352204 |
| NACRES | NA.85 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|---|---|
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P271-P280 |
| PPE | Eyeshields, Gloves, type N95 (US) |
| Hazard Codes | Xn |
| Risk Statements | 20/21/22-36/37/38 |
| Safety Statements | 22-24/25-36-26 |
| WGK Germany | 3 |
| HS Code | 29389090 |
| Storage Class | 13 - Non Combustible Solids |
5-Bromo-3-indolyl-beta-D-galactopyranoside price More Price(54)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | B2904 | Bluo-Gal reagent for selection of recombinant bacterial clones | 97753-82-7 | 100mg | $191 | 2026-04-30 | Buy |
| TCI Chemical | B3470 | 5-Bromo-3-indolyl beta-D-Galactopyranoside [for Biochemical Research] >98.0%(HPLC) | 97753-82-7 | 20mg | $17 | 2026-04-30 | Buy |
| TCI Chemical | B3470 | 5-Bromo-3-indolyl beta-D-Galactopyranoside [for Biochemical Research] >98.0%(HPLC) | 97753-82-7 | 100mg | $45 | 2026-04-30 | Buy |
| Cayman Chemical | 35299 | 5-bromo-3-indolyl-β-D-Galactopyranoside ≥98% | 97753-82-7 | 100mg | $32 | 2026-04-30 | Buy |
| Cayman Chemical | 35299 | 5-bromo-3-indolyl-β-D-Galactopyranoside ≥98% | 97753-82-7 | 500mg | $109 | 2026-04-30 | Buy |
5-Bromo-3-indolyl-beta-D-galactopyranoside Chemical Properties, Uses, Production
Chemical Properties
White to off-white powder
Uses
5-Bromo-3-indolyl-beta-D-galactopyranoside is a substrate for beta-galactosidase that is converted, by the enzyme, into an insoluble indigoblue chromophore. It is also used in Lac gene detection systems, in immunoblotting and immunocytochemical assays.
Uses
5-Bromo-3-indolyl-β-D-galactopyranoside is an α-galactosidase substrate which is converted to an insoluble indigo-blue chromophore darker than that released by X-GAL. It is ideal for Lac gene detection systems in immunoblotting, immunocytochemical, and histological applications. Also used as chromogenic substrate that is suitable for identification of lac-(+) bacterial colonies.
5-Bromo-3-indolyl-beta-D-galactopyranoside Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| 3B Pharmachem (Wuhan) International Co.,Ltd. | 18930552037 | 3bsc@sina.com | China | 15813 | 69 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Feiyang Biotechnology Co., Ltd | 0533-7866336 13573361699 | sales@chemfy.com | China | 524 | 62 |
| Chemsky(shanghai)International Co.,Ltd. | 021-50135380 | shchemsky@sina.com | China | 32273 | 50 |
| China DongFan Chemical Co.,LTD | 86-0571-85151182 | China | 5681 | 66 | |
| Hunan Hui Bai Shi Biotechnology Co., Ltd. | 0731-85526065 13308475853 | ivy@hnhbsj.com | China | 7236 | 62 |
| ShangHai YuanYe Biotechnology Co., Ltd. | 15026964105 | shyysw007@163.com | China | 4998 | 60 |
View Latest Price from 5-Bromo-3-indolyl-beta-D-galactopyranoside manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-09-16 | 5-Bromo-3-indolyl-beta-D-galactopyranoside
97753-82-7
|
1G | 98%min | 30kg/month | WUHAN FORTUNA CHEMICAL CO., LTD | ||
![]() |
2019-07-06 | 5-Bromo-3-indolyl-beta-D-galactopyranoside
97753-82-7
|
$1.00 | 1kg | 98%min | 100KG | Career Henan Chemical Co |
-

- 5-Bromo-3-indolyl-beta-D-galactopyranoside
97753-82-7
- $0.00
- 98%min
- WUHAN FORTUNA CHEMICAL CO., LTD
-

- 5-Bromo-3-indolyl-beta-D-galactopyranoside
97753-82-7
- $1.00
- 98%min
- Career Henan Chemical Co





