Phenol-Chloroform-Isoamyl Alcohol (PCI), 25:24:1, pH 8.0
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Phenol-Chloroform-Isoamyl Alcohol (PCI), 25:24:1, pH 8.0

Cat.No: ATR-SDS-0011 Datasheet

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Product Name Phenol-Chloroform-Isoamyl Alcohol (PCI), 25:24:1, pH 8.0
Catalog No. ATR-SDS-0011
Description A molecular biology grade 25:24:1 mixture of Tris-equilibrated phenol, chloroform, and isoamyl alcohol for the deproteinization of nucleic acid solutions during DNA and RNA purification from biological samples.
Intended Use Removal of proteins from aqueous nucleic acid solutions in the standard phenol-chloroform extraction protocol for genomic DNA and total RNA purification from cells, tissues, and bacteria.
Principle / Technology Phenol denatures and solubilizes proteins; chloroform enhances organic phase density and denatures residual protein; isoamyl alcohol prevents foaming; the alkaline pH (8.0) partitions DNA into the aqueous phase.
Detection Method Nucleic acid purity by spectrophotometry (A260/A280, A260/A230), agarose gel integrity
Sample Type Mammalian cell lysates, bacterial pellets, tissue homogenates, yeast cells
Performance Range / Specifications DNA A260/A280 1.7–1.9; RNA A260/A280 1.9–2.1; protein removal >99.5%
Sensitivity / LOD N/A
Specificity pH 8.0 ensures DNA partitions to aqueous phase; RNA partitions to aqueous phase at acidic pH (4.5)
Reaction Conditions / Protocol Add equal volume to aqueous sample; vortex 15 seconds; centrifuge at 12,000–16,000 × g for 2–5 minutes; carefully remove upper aqueous phase; repeat extraction as needed.
Components / Formulation Tris-equilibrated phenol (pH 8.0), chloroform, isoamyl alcohol at 25:24:1 ratio
Storage Conditions 2–8°C, protect from light; expiration indicated by pink/red color change
Shelf Life 6 months after opening
Package Specifications 100 mL, 500 mL
Product Form Liquid with distinct aqueous phase on top
Quality Control pH verification, DNase/RNase free, extraction efficiency testing with standard DNA sample, UV absorbance
Key Features Ready to use; pre-equilibrated to pH 8.0; 8-hydroxyquinoline antioxidant; validated for DNA and RNA work

For research use only, not for clinical use.

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