Skip to Content
MilliporeSigma
All Photos(1)

Documents

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).

Sign Into View Organizational & Contract Pricing

Synonym(s):
5-Bromo-4-chloro-3-indolyl-β-D-galactopyranoside, X-Gal
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

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service