P4633
Phenol Red
pH indicator
Synonym(s):
Phenolsulfonphthalein
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About This Item
Empirical Formula (Hill Notation):
C19H14O5S
CAS Number:
Molecular Weight:
354.38
EC Number:
205-609-7
UNSPSC Code:
12171500
MDL number:
Beilstein/REAXYS Number:
326470
InChI
1S/C19H14O5S/c20-15-9-5-13(6-10-15)19(14-7-11-16(21)12-8-14)17-3-1-2-4-18(17)25(22,23)24-19/h1-12,20-21H
InChI key
BELBBZDIHDAJOR-UHFFFAOYSA-N
SMILES string
Oc1ccc(cc1)C2(OS(=O)(=O)c3ccccc23)c4ccc(O)cc4
technique(s)
titration: suitable
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Application
Suitable for use as a pH indicator.
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Héctor Rubén Hernández-Garcés et al.
Revista espanola de enfermedades digestivas : organo oficial de la Sociedad Espanola de Patologia Digestiva, 104(1), 4-9 (2012-02-04)
An analytic study to validate a diagnostic test was carried out at the Institute of Gastroenterology in Havana, Cuba in adult patients of both sexes in whom chromoendoscopy was carried out with red phenol at 0.1% over the gastric mucosa
Zhen-Yu Li et al.
Journal of ethnopharmacology, 140(1), 83-90 (2012-01-03)
Flower bud of Tussilago farfara L. is widely used for the treatment of cough, bronchitis and asthmatic disorders in the Traditional Chinese Medicine. However, due to the increasing demands, adulteration with rachis is frequently encountered in the marketplace. No report
Parviz Lalezari et al.
Analytical biochemistry, 416(1), 92-99 (2011-05-25)
A new method for extraction and concentration of organic dyes that uses a reagent composed of a nonionic detergent mixed with an alcohol is described. We have observed that water-soluble organic dyes are also soluble in nonionic detergents and can
Pankaj Dixit et al.
Journal of pharmacological and toxicological methods, 65(1), 13-17 (2011-11-24)
Everted gut sac of rat intestine is a paradigm widely employed for determination of absorption kinetics of drugs along with evaluation of effects of absorption enhancers. Since its inception in 1954, it has been optimized to enhance tissue survival and
Chromoendoscopy for H. pylori infection--time for a reaction?
José Carlos Marín-Gabriel et al.
Revista espanola de enfermedades digestivas : organo oficial de la Sociedad Espanola de Patologia Digestiva, 104(1), 1-3 (2012-02-04)
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