GRADE & PURITYBioReagent?BioReagent grade — tested suitable for life-science and molecular-biology use. Use for cell culture, assays, and biochemical work needing biological compatibility.
BioReagent BioReagent for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping
Room temperature Ships Normal Check lot-specific COA for exact specifications.
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Quality documents
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Vue d’ensemble
CAS (Chrome Azurol S) Assay Solution is a bright-blue complex composed of chrome azurol sulphonate (CAS), hexadecyltrimethylammonium bromide (HDTMA), and ferric ions.
Detection Principle: When microorganisms secrete siderophores into the culture medium, siderophores possess higher affinity for ferric ions and competitively sequester ferric ions from the CAS-HDTMA-iron complex. This triggers structural changes in the complex, accompanied by a colour shift from bright blue to orange-yellow. Accordingly, CAS liquid medium can be applied for qualitative or semi-quantitative detection of siderophore-producing capacity in microorganisms.
Specifications
Spécifications et pureté
BioReagent
Grade
BioReagent
Stockage et expédition
Conditions de stockage de stockage
Room temperature
Expédié en
Normal
Documentation
📋 Safety Data Sheet (SDS)
Comprehensive hazard, handling, storage, and regulatory compliance document.
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