CAS 107021-38-5: X-?-Gal 5-Bromo-4-chloro-3-indolyl-~-D-galactoside

Description: The chemical substance known as X-?-Gal, with the CAS number 107021-38-5, is a synthetic substrate commonly used in molecular biology and biochemistry as a chromogenic indicator for the enzyme β-galactosidase. This compound is characterized by its structure, which includes a galactose moiety linked to a 5-bromo-4-chloro-3-indolyl group. When β-galactosidase cleaves the galactoside bond, it releases the indole derivative, leading to a color change that can be visually detected, typically resulting in a blue precipitate. This property makes X-?-Gal particularly useful in applications such as gene expression studies, where it serves as a reporter for the activity of lacZ gene products in various organisms. The compound is generally soluble in organic solvents and exhibits stability under standard laboratory conditions, although it should be handled with care due to its potential toxicity and the need for proper disposal methods.

Formula: C₁₄H₁₅BrClNO₆

InChI: InChI=1/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+/m0/s1

Synonyms:

• Magenta-Gal
• 5-Bromo-4-chloro-3-indolyl-alpha-D-galactopyranoside
• (2S,3S,4R,5R,6S)-2-[(5-bromo-4-chloro-1H-indol-3-yl)oxy]-6-(hydroxymethyl)tetrahydropyran-3,4,5-triol

5-Bromo-4-chloro-3-indolyl-α-D-galactoside

CAS: 107021-38-5

Substrate for beta-galactosidase This Thermo Scientific Chemicals brand product was originally part of the Alfa …

• Formula: C₁₄H₁₅BrClNO₆
• Color and Shape: White, Crystals or powder or crystalline powder
• Molecular weight: 408.63

5-Bromo-4-chloro-3-indolyl a-D-galactopyranoside

CAS: 107021-38-5

• Formula: C₁₄H₁₅BrClNO₆
• Purity: 98%
• Color and Shape: Solid
• Molecular weight: 408.629

5-Bromo-4-chloro-3-indolyl a-D-galactopyranoside

CAS: 107021-38-5

• Formula: C₁₄H₁₅BrClNO₆
• Purity: ≥ 98.0%
• Color and Shape: White powder to colourless crystals
• Molecular weight: 408.63

5-Bromo-4-chloro-3-indolyl-α-D-galactoside

CAS: 107021-38-5

• Purity: >98%
• Color and Shape: white powder
• Molecular weight: 408.63g/mol

X-α-Gal

CAS: 107021-38-5

X-alpha-Gal is a substrate for alpha-galactosidase. It is used for differentiating alpha-galactosidase-positive strains of yeast.

• Formula: C₁₄H₁₅BrClNO₆
• Purity: 99.37% - 99.7%
• Color and Shape: Solid
• Molecular weight: 408.63

5-Bromo-4-chloro-3-indoxyl-α-D-galactopyranoside

CAS: 107021-38-5

Chromogenic substrate for α-galactosidase yielding a blue precipitate. Used for species differentiation within the family …

• Formula: C₁₄H₁₅BrClNO₆
• Purity: Min. 99 Area-%
• Molecular weight: 408.64 g/mol

5-Bromo-4-Chloro-3-Indolyl-a-D-Galactopyranoside (X-a-Gal) for molecular biology, 99%

CAS: 107021-38-5

• Formula: C₁₄H₁₅BrClNO₆
• Purity: min. 99%
• Color and Shape: White, Crystalline powder
• Molecular weight: 408.63

5-Bromo-4-chloro-3-indolyl a-D-galactopyranoside

CAS: 107021-38-5

Chromogenic substrate for alpha-galactosidase

• Formula: C₁₄H₁₅BrClNO₆
• Purity: Min. 98 Area-%
• Color and Shape: White Off-White Powder
• Molecular weight: 408.63 g/mol