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.
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About This Item
Product Name
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).
Quality Segment
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
Other Notes
Arakawa, H., et al. 1991. Anal. Biochem.199, 238.
Horwitz, J., et al. 1964. J. Med. Chem.7, 574.
Legal Information
Disclaimer
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This Item | |||
|---|---|---|---|
| description A chromogenic substrate for β-galactosidase. Used to distinguish between recombinant and non-recombinant plasmids carrying β-galactosidase gene (e.g. pUR222). | description - | description ≥96% (HPLC) | description tablet |
| form solid | form solid | form powder | form tablet |
| assay ≥99% (HPLC) | assay ≥98% (HPLC) | assay ≥96% (HPLC) | assay - |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 200 |
| manufacturer/tradename Calbiochem® | manufacturer/tradename Calbiochem® | manufacturer/tradename - | manufacturer/tradename - |
| storage temp. −20°C | storage temp. −20°C | storage temp. 2-8°C | storage temp. −20°C |
| storage condition desiccated, OK to freeze, protect from light | storage condition protect from light, OK to freeze | storage condition - | storage condition - |
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Storage Class
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
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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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