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X-Gal

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X-Gal molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 12 grades and pack sizes of X-Gal (CAS 7240-90-6). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS7240-90-6
Molecular formulaC14H15BrClNO6
Molecular weight408.63 g/mol
IUPAC name(2S,3R,4S,5R,6R)-2-[(5-bromo-4-chloro-1H-indol-3-yl)oxy]-6-(hydroxymethyl)oxane-3,4,5-triol
Synonyms5-Bromo-4-chloro-3-indolyl beta-galactoside · 5-bromo-4-chloro-1H-indol-3-yl beta-D-galactopyranoside · 5-bromo-4-chloroindol-3-yl beta-D-galactopyranoside · beta-D-Galactopyranoside, 5-bromo-4-chloro-1H-indol-3-yl · RefChem:102168 · 5-bromo-4-chloro-3-indolyl-beta D-galactopyranoside
Safety & Hazards (GHS) Warning
Irritant Irritant
  • H302 Harmful if swallowed
  • H312 Harmful in contact with skin
  • H332 Harmful if inhaled

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma 5-BROMO-4-CHLORO-3-INDOLYL B-D B6024-10TAB
B6024-50TAB		 Request Quote
Sigma 5-BROMO-4-CHLORO-3-INDOLYL B-D- GALACTOP B4252-100MG
B4252-1G
B4252-250MG
B4252-2G
B4252-500MG
B4252-50MG
B4252-5G		 Request Quote
Sigma 5-BROMO-4-CHLORO-3-INDOLYL-B-D-GALACTOPY B9146-100MG
B9146-10MG
B9146-500MG		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.