X-Gal (5-bromo-4-chloro-3-indolyl-β-D-galactopyranoside) - Ultra pure , CAS No.7240-90-6

CAS: 7240-90-6 Cat. No.: X274331 Molecular Weight: 408.63 Beilstein Registry Number: 1402009 EC Number: 230-640-8
AVAILABLE TO ORDER
GRADE & PURITY Ultra pure ? Ultra-pure grade with very low impurity content across the board. Use for trace analysis, electronics, or processes intolerant of contamination.
Synonyms
(2S,3R,4S,5R,6R)-2-[(5-bromo-4-chloro-1H-indol-3-yl)oxy]-6-(hydroxymethyl)tetrahydropyran-3,4,5-triol | A-D-galactopyranoside | GALACTOPYRANOSIDE, 5-BROMO-4-CHLOROINDOL-3-YL, .BETA.-D- | 5-Bromo-4-chloro-3-indolyl beta-D-galactopyranoside, Vetec(TM) reage
Storage
Store at 2-8°C
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
X274331-100mg
3

$141.90

$165.90
Save $24.00 (14.47%)
1g
X274331-1g
1

$420.90

$491.90
Save $71.00 (14.43%)
Enter a quantity for the sizes you want to add.
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Why this grade

Ultra pure Ultra pure for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
(2S, 3R, 4S, 5R, 6R)-2-[(5-bromo-4-chloro-1H-indol-3-yl)oxy]-6-(hydroxymethyl)tetrahydropyran-3, 4, 5-triol | A-D-galactopyranoside | GALACTOPYRANOSIDE, 5-BROMO-4-CHLOROINDOL-3-YL, .BETA.-D- | 5-Bromo-4-chloro-3-indolyl beta-D-galactopyranoside, Vetec(TM) reage
Specifications & Purity
Ultra pure
Storage
Store at 2-8°C
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
Ultra pure
Names and Identifiers
Pubchem Sid504753967
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504753967
Canonical SmilesC1=CC(=C(C2=C1NC=C2OC3C(C(C(C(O3)CO)O)O)O)Cl)Br
IUPAC Name(2S,3R,4S,5R,6R)-2-[(5-bromo-4-chloro-1H-indol-3-yl)oxy]-6-(hydroxymethyl)oxane-3,4,5-triol
InChIKeyOPIFSICVWOWJMJ-AEOCFKNESA-N
INCHI1S/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
Isomeric 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
WGK Germany 3
Molecular Weight 408.63
Beilstein 1402009
Reaxy-Rn 32869881
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=32869881&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic oxygen compounds
ClassOrganooxygen compounds
SubclassCarbohydrates and carbohydrate conjugates
Intermediate Tree Nodes Glycosyl compounds
Direct ParentO-glycosyl compounds
Alternative Parents Hexoses  Indoles  Substituted pyrroles  Aryl bromides  Aryl chlorides  Oxanes  Benzenoids  Heteroaromatic compounds  Secondary alcohols  Acetals  Polyols  Azacyclic compounds  Oxacyclic compounds  Organopnictogen compounds  Primary alcohols  Organonitrogen compounds  Hydrocarbon derivatives  Organochlorides  Organobromides  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Hexose monosaccharide - O-glycosyl compound - Indole - Indole or derivatives - Aryl bromide - Aryl chloride - Aryl halide - Monosaccharide - Oxane - Substituted pyrrole - Benzenoid - Pyrrole - Heteroaromatic compound - Secondary alcohol - Oxacycle - Polyol - Azacycle - Organoheterocyclic compound - Acetal - Primary alcohol - Organohalogen compound - Hydrocarbon derivative - Organopnictogen compound - Organobromide - Organochloride - Organic nitrogen compound - Organonitrogen compound - Alcohol - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as o-glycosyl compounds. These are glycoside in which a sugar group is bonded through one carbon to another group via a O-glycosidic bond.
External Descriptors organobromine compound - organochlorine compound - beta-D-galactoside - indolyl carbohydrate - D-aldohexose derivative
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot NumberCertificate TypeDateItem
F23271019Certificate of AnalysisJul 05, 2023 X274331
F23271041Certificate of AnalysisJul 05, 2023 X274331
F23271040Certificate of AnalysisJul 05, 2023 X274331
F23271062Certificate of AnalysisJul 05, 2023 X274331
Chemical and Physical Properties
Specific Rotation[α]-66 ° (C=1, DMF)
Melt Point(°C)236°C
Molecular Weight408.630 g/mol
XLogP31.200
Hydrogen Bond Donor Count5
Hydrogen Bond Acceptor Count6
Rotatable Bond Count3
Exact Mass406.977 Da
Monoisotopic Mass406.977 Da
Topological Polar Surface Area115.000 Ų
Heavy Atom Count23
Formal Charge0
Complexity421.000
Isotope Atom Count0
Defined Atom Stereocenter Count5
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Citations of This Product
References
1. Chunxu Chen, Tianhui Li, Guijie Chen, Dan Chen, Yujia Peng, Bing Hu, Yi Sun, Xiaoxiong Zeng.  (2020)  Commensal Relationship of Three Bifidobacterial Species Leads to Increase of Bifidobacterium in Vitro Fermentation of Sialylated Immunoglobulin G by Human Gut Microbiota.  JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,      [PMID:32806107] [10.1021/acs.jafc.0c03628]
2. Zhi-P. Cai, Louis P. Conway, Ying Y. Huang, Wen J. Wang, Pedro Laborda, Ting Wang, Ai M. Lu, Hong L. Yao, Kun Huang, Sabine L. Flitsch, Li Liu, Josef Voglmeir.  (2019)  Enzymatic Synthesis of Trideuterated Sialosides.  MOLECULES,  24  (7): (1368).  [PMID:30965582] [10.3390/molecules24071368]
3. Xiaochong Zhu, Jieyuan Wu, Shizhong Li, La Xiang, Jian-Ming Jin, Chaoning Liang, Shuang-Yan Tang.  (2024)  Artificial Biosynthetic Pathway for Efficient Synthesis of Vanillin, a Feruloyl-CoA-Derived Natural Product from Eugenol.  JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,      [PMID:38501643] [10.1021/acs.jafc.3c08723]
4. Zi-Xuan Hu, Shu-Rui Li, Qing-Jun Xia, Ting Wang, Josef Voglmeir, Göran Widmalm, Li Liu.  (2024)  Enzymatic synthesis of N-formylated sialosides via a five-enzyme cascade.  ORGANIC & BIOMOLECULAR CHEMISTRY,  22  (36): (7485-7491).  [PMID:39189395] [10.1039/D4OB00874J]
5. Xiaoyu Cui, Liqing Feng, Jiayin Li, Shan Gao, Shunping Yan, Ting Pan.  (2026)  Chloroplast vesiculation fine-tunes seed germination by antagonizing ABA signaling through dual degradation of ABI5 and XIW1.  PLANT JOURNAL,  125  (1): (e70669).  [PMID:41525299] [10.1111/tpj.70669]
Solution Calculators
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