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Cell Signaling Kits & MAPmates™
Choose fixed kits that allow you to explore entire pathways or processes. Or design your own kits by choosing single plex MAPmates™, following the provided guidelines.
The following MAPmates™ should not be plexed together:
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48-602MAG
Buffer Detection Kit for Magnetic Beads
1 Kit
Space Saver Option Customers purchasing multiple kits may choose to save storage space by eliminating the kit packaging and receiving their multiplex assay components in plastic bags for more compact storage.
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219475
Sigma-AldrichCENTA™ β-Lactamase Substrate - CAS 80072-86-2 - Calbiochem
CENTA™ β-Lactamase Substrate, CAS 80072-86-2, is a chromogenic β-lactamase substrate for both Gram-negative and Gram-positive bacteria.
More>>CENTA™ β-Lactamase Substrate, CAS 80072-86-2, is a chromogenic β-lactamase substrate for both Gram-negative and Gram-positive bacteria. Less<<
MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.
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Description
Overview
Chromogenic β-lactamase substrate for both gram-negative and gram-positive bacteria that is comparable to other chromogens (PADAC™ Substrate and nitrocefin). Hydrolysis of the beta-lactam ring causes a color change from light yellow (λmax: 340 nm) to chrome yellow (λmax: 405 nm). Relatively unaffected by commonly used microbiological media and human serum. Stable in H2O and in the presence of cysteine, mercaptoethanol and dimercaptopropanol.
Please note that the molecular weight for this compound is batch-specific due to variable water content.
Catalogue Number
219475
Brand Family
Calbiochem®
References
References
Jones, R.N., et al. 1982. J. Clin. Microbiol.15, 954.
CENTA™ β-Lactamase Substrate - CAS 80072-86-2 - Calbiochem Certificates of Analysis
Title
Lot Number
219475
References
Reference overview
Jones, R.N., et al. 1982. J. Clin. Microbiol.15, 954.
Data Sheet
Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.
Revision
27-January-2020 JSW
Description
Chromogenic β-lactamase substrate for both gram-negative and gram-positive bacteria that is comparable to other chromogens (PADAC® and nitrocefin). Hydrolysis of the beta-lactam ring causes a color change from light yellow (λmax: 340 nm) to chrome yellow (λmax: 405 nm). Relatively unaffected by commonly used microbiological media and human serum. Stable in H2O and in the presence of cysteine, mercaptoethanol, and dimercaptopropanol.
Form
Yellow powder
CAS number
80072-86-2
RTECS
OD2265000
Chemical formula
C₂₁H₁₇N₃O₈S₃
Purity
≥98% by TLC
Solubility
25 mM Phosphate buffer, pH 7.0 (2.5 mg/ml), or Methanol (50 mg/ml)
Storage
-20°C
Do Not Freeze
Ok to freeze
Special Instructions
Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.
Toxicity
Standard Handling
References
Jones, R.N., et al. 1982. J. Clin. Microbiol.15, 954.
