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203782

Sigma-Aldrich

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

A chromogenic substrate for β-galactosidase. Used to distinguish between recombinant and non-recombinant plasmids carrying β-galactosidase gene (e.g. pUR222).

Synonym(s):

5-Bromo-4-chloro-3-indolyl-β-D-galactopyranoside, X-Gal

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About This Item

Empirical Formula (Hill Notation):
C14H15BrClNO6
CAS Number:
Molecular Weight:
408.63
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.77

Quality Level

Assay

≥99% (HPLC)

form

solid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze
desiccated
protect from light

color

white

solubility

DMSO: 2% (20mg/mL)

shipped in

ambient

storage temp.

−20°C

InChI

1S/C19H29N5O.2C2H6O2.2Cu/c1-21-3-7-23(8-4-21)14-17-11-16(13-20)12-18(19(17)25)15-24-9-5-22(2)6-10-24;2*1-2(3)4;;/h11-12,25H,3-10,14-15H2,1-2H3;2*2-4H,1H3;;/q;;;+1;+2

InChI key

GGILAJWFDJWIQO-UHFFFAOYSA-N

General description

A chromogenic substrate for β-galactosidase. Used to distinguish between recombinant and non-recombinant plasmids carrying β-galactosidase gene (e.g. pUR222).

Warning

Toxicity: Standard Handling (A)

Other Notes

Engler, K.H., et al. 1999. J. Microbiol. Methods35, 207.
Arakawa, H., et al. 1991. Anal. Biochem.199, 238.
Horwitz, J., et al. 1964. J. Med. Chem.7, 574.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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