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Merck

O1875

Sigma-Aldrich

Orcinol Monohydrat

colorimetric detection reagent

Synonym(e):

3,5-Dihydroxy-toluol, 5-Methyl-resorcin

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About This Item

Lineare Formel:
CH3C6H3-1,3-(OH)2 · H2O
CAS-Nummer:
Molekulargewicht:
142.15
Beilstein:
1071903
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12171500
PubChem Substanz-ID:
NACRES:
NA.47

Biologische Quelle

synthetic

Qualitätsniveau

Assay

≥99% (HPLC)

Form

powder

Farbe

white to light brown

bp

290 °C (lit.)

mp (Schmelzpunkt)

56-58 °C (lit.)

Löslichkeit

H2O: 50 mg/mL

Dichte

1.290 g/cm3

Anwendung(en)

diagnostic assay manufacturing
hematology
histology

Lagertemp.

room temp

SMILES String

O.Cc1cc(O)cc(O)c1

InChI

1S/C7H8O2.H2O/c1-5-2-6(8)4-7(9)3-5;/h2-4,8-9H,1H3;1H2

InChIKey

NBKPNAMTHBIMLA-UHFFFAOYSA-N

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Allgemeine Beschreibung

Orcinol is a small-molecule natural phenol involved in the production of a dye called orcein used for the staining of cells and chromosomes. Orcinol monohydrate is usually used to prepare a colorimetric reagent known as Bial′s reagent for the determination of RNA, DNA, and hexoses.

Anwendung

Orcinol monohydrate has been used to prepare Bial′s reagent for Bial′s orcinol assay for pentose sugars. It is also used in the preparation of orcinol solution suitable for staining TLC plates and, measuring rhamnolipids in orcinol dye assays. Orcinol monohydrate has been used for the RNA assay.



Piktogramme

Exclamation mark

Signalwort

Warning

Gefahreneinstufungen

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Zielorgane

Respiratory system

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves


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Lipopolysaccharide binding protein expression in primary human hepatocytes and HepG2 hepatoma cells.
Grube BJ
The Journal of Biological Chemistry, 269, 8477-8477 (1994)
A simultaneous estimation method of DNA and RNA by the orcinol reaction and a study on the reaction mechanism.
Y Endo
Journal of biochemistry, 67(5), 629-633 (1970-05-01)
Marjan De Mey et al.
Analytical biochemistry, 353(2), 198-203 (2006-03-21)
Recent developments in cellular and molecular biology require the accurate quantification of DNA and RNA in large numbers of samples at a sensitivity that enables determination on small quantities. In this study, five current methods for nucleic acid quantification were
A modified orcinol reaction for RNA determination.
M Kamali et al.
Clinical chemistry, 15(5), 390-392 (1969-05-01)
Estimation of monosaccharides by the orcinol-sulphuric acid reaction.
J BRUCKNER
The Biochemical journal, 60(2), 200-205 (1955-06-01)

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