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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
Last updated:2026-05-27 23:48:07

5-Bromo-3-indolyl-beta-D-galactopyranoside Properties

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)  Exclamation Mark (GHS07)
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
Product number Packaging Price Buy
B2904 100mg $191 Buy
B3470 20mg $17 Buy
B3470 100mg $45 Buy
35299 100mg $32 Buy
35299 500mg $109 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

Global Suppliers ( 206)
Supplier Tel Email 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
5-Bromo-3-indolyl-beta-D-galactopyranoside pictures 2026-09-16 5-Bromo-3-indolyl-beta-D-galactopyranoside
97753-82-7
1G 98%min 30kg/month WUHAN FORTUNA CHEMICAL CO., LTD
5-Bromo-3-indolyl-beta-D-galactopyranoside pictures 2019-07-06 5-Bromo-3-indolyl-beta-D-galactopyranoside
97753-82-7
$1.00 1kg 98%min 100KG Career Henan Chemical Co
beta-d-galactopyranoside,5-bromo-1h-indol-3-yl 5-BROMOINDOLYL B-D-GALACTOPYRANOSIDEMOLE CULAR BIOL 5-BROMO-3-INDOLYL-B-D-GALACTOSIDE 5-Bromo-3-indolyl-b-D-galactopyranoside 5-bromo-3-indolyl-beta-galactoside 5-BROMO-3-INDOLYL-BETA-D -GALACTOPYRANOSIDE 98+% -20 C 5-BROMO-3-INDOLYL-BETA-D -GALACTOPYRANOSIDE MOLECULAR BIOLOGY GRADE 98+% -20 C BLUE GAL (5-BROMO-3-INDOLYL- BETA-D-GALACTOPYRANOSIDE) 5-Bromoindol-3-yl-â-D-galactoside 5-BROM-3-INDOLYL- -D-GALACTOPYRANOSIDE (Bluo-Gal) 5-Bromo-3-indolyl-β-D-galactoside (2S,3R,4S,5R,6R)-2-[(5-bromo-1H-indol-3-yl)oxy]-6-(hydroxymethyl)oxane-3,4,5-triol (2S,3R,4S,5R,6R)-2-[(5-bromo-1H-indol-3-yl)oxy]-6-methylol-tetrahydropyran-3,4,5-triol 5-Bromo-3-indolyl beta-D-Galactopyranoside [for Biochemical Research] 5-Bromo-3-indolyl- beta-D-galactopyranoside (Blue gal) 5-BroMoindol-3-yl-b-D-galactoside Bluo-Gal (Blue-Gal、5-Bromo-3-indolyl β-D-galactopyranoside) 5-Bromo-3-indolyl &beta 5-Bromo-3-indoxyl-β-D-galactopyranoside 5-Bromoindol-3-yl-β-D-galactoside≥ 98% (TLC) BLUO-GAL BLUE-GAL LAPIS(TM)-BETA-D-GAL 5-BROMOINDOL-3-YL-BETA-D-GALACTOSIDE 5-BROMOINDOLYL BETA-D-GALACTO-PYRANOSIDE 5-BROMO-3-INDOXYL-BETA-D-GALACTOPYRANOSIDE 5-BROMO-3-INDOLYL-BETA-D-GALACTOPYRANOSIDE 5-BROMO-3-INDOLYL-BETA-D-GALACTOSIDE Blue-Gal、5-Bromo-3-indolyl β-D-galactopyranoside 2-[(5-bromo-1H-indol-3-yl)oxy]-6-(hydroxymethyl)oxane-3,4,5-triol 5-BROMO-3-INDOLYL-B-D-GALACTOPYRANOSIDE (BLUE GAL) 3-β-D-Galactosidoxy-5-brom-indol 5-Bromo-3-indolyl beta-D-Galactopyranoside [for Biochemical Research]> 5-Bromo-3-indolyl-beta-D-galactopyranoside USP/EP/BP 5-Bromo-3-indolyl β-D-galactopyranoside 5-Bromo-3-indolyl β-D-Galactopyranoside [for Biochemical Research] 5-Bromo-3-Indolyl-B-D-Galactopyranoside (Bluo-Gal) for molecular biology, 99% β-D-Galactopyranoside, 5-bromo-1H-indol-3-yl (2S,3R,4S,5R,6R)-2-((5-Bromo-1H-indol-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol Bluo-Gal, Chromogenic beta-galactosidase substrate 5-Bromo-3-indolyl β-D-galactopyranoside 5-Bromo-3-indolyl β-D-galactopyranoside, CAS 97753-82-7 Blue-Gal、5-Bromo-3-indolyl β-D-galactopyranoside (7S,10S,24S,27S,41S,44S,58S,61S)-10,27,44,61-tetrabenzyl-8,11,25,28,42,45,59,62-octahydroxy-3,9,12,13,20,26,29,30,37,43,46,47,54,60,63,64-hexadecazanonacyclo[64.2.2.2^{15,18.2^{32,35.2^{49,52.0^{3,7.0^{20,24.0^{37,41.0^{54,58]hexaheptaconta-1(68),8,11,13,15(76),16,18(75),25,28,30,32(74),33,35(73),42,45,47,49,51,59,62,64,66,69,71-tetracosaene-2,19,36,53-tetrone 97753-82-7 C14H16BrNO6 Biochemicals and Reagents BioChemical Gene Reporter Substrates Enzyme Substrates Galactosidase, beta Enzymes, Inhibitors, and Substrates Microbial Media for Molecular Biology Media Components Molecular Biology Substrates by Enzyme substrate Indoles and derivatives