This product is assigned a product retest date of approximately 2.5 years from the date of Quality release and is considered to be a stable compound. Products that, while considered stable, may be subject to degradation over time are assigned a periodic retest date to confirm quality. The lot specific retest date is reported on the Certificate of Analysis.
203782
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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100 MG
€69.60
250 MG
€143.00
1 G
€273.00
5 G
€799.00
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100 MG
€69.60
250 MG
€143.00
1 G
€273.00
5 G
€799.00
About This Item
Empirical Formula (Hill Notation):
C14H15BrClNO6
CAS Number:
Molecular Weight:
408.63
MDL number:
UNSPSC Code:
12352200
NACRES:
NA.77
Recommended Products
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
SMILES string
[Cu+2].[Cu+].N3(CCN(CC3)C)Cc1c(c(cc(c1)C#N)CN2CCN(CC2)C)O.OC(O)C.OC(O)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.
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)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Hi. I would like to know for how long I can store X-Gal (-20°C) before its degradation. Thanks
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