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B4252

Sigma-Aldrich

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

≥98%, powder

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Synonym(s):
5-Bromo-4-chloro-3-indolyl β-D-galactoside, BCIG, X-Gal
Empirical Formula (Hill Notation):
C14H15BrClNO6
CAS Number:
Molecular Weight:
408.63
Beilstein/REAXYS Number:
1402009
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

assay

≥98%

form

powder

solubility

DMF: methanol (1:1): 50 mg/mL

storage temp.

−20°C

SMILES string

OC[C@H]1O[C@@H](Oc2c[nH]c3ccc(Br)c(Cl)c23)[C@H](O)[C@@H](O)[C@H]1O

InChI

1S/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

InChI key

OPIFSICVWOWJMJ-AEOCFKNESA-N

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This Item
B9146B6024B9511
assay

≥98%

assay

≥98%

assay

-

assay

≥98% (HPLC)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

form

powder

form

powder

form

tablet

form

powder

Application

X-Gal is a chromogenic substrate for β-galactosidase that produces a rich blue color that can easily be detected visually over background. X-Gal is the substrate of choice for blue-white selection of recombinant bacterial colonies with the lac+ genotype.

related product

Product No.
Description
Pricing

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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