모든 사진(1)
About This Item
실험식(Hill 표기법):
C21H18O5S
CAS Number:
Molecular Weight:
382.43
Beilstein:
343399
EC Number:
MDL number:
UNSPSC 코드:
12171500
PubChem Substance ID:
NACRES:
NA.47
추천 제품
Grade
indicator grade
Quality Level
형태
powder or crystals
구성
Dye content, 95%
기술
titration: suitable
색상
red-brown
pH
7.2-8.8, yellow to red
유용한 pH 범위
1.8-2.0, orange to yellow(acid)
7.0-8.8, yellow to violet(alkaline)
mp
290 °C
density
0.998 g/cm3
λmax
367 nm (2nd)
570 nm
응용 분야
diagnostic assay manufacturing
hematology
histology
저장 온도
room temp
SMILES string
Cc1cc(ccc1O)C2(OS(=O)(=O)c3ccccc23)c4ccc(O)c(C)c4
InChI
1S/C21H18O5S/c1-13-11-15(7-9-18(13)22)21(16-8-10-19(23)14(2)12-16)17-5-3-4-6-20(17)27(24,25)26-21/h3-12,22-23H,1-2H3
InChI key
OBRMNDMBJQTZHV-UHFFFAOYSA-N
유사한 제품을 찾으십니까? 방문 제품 비교 안내
일반 설명
Cresol Red, also known as o-cresol red, belongs to the phthalein and sulphonphthalein group of dyes. Cresol red changes color from orange to yellow at pH between 0.2-1.8 and yellow to violet at pH between 7.0-8.8. In alkaline solutions, cresol red is present as a hydrophilic dianion. The dianion is small and is violet in color, possessing a larger conjugated system than the yellow hydroxyquinone.
애플리케이션
Cresol Red is a widely used pH indicator for routine pH assessments like microbial culture media preparations. In addition, Cresol red is a suitable constituent of PCR reagent systems. Cresol Red is used as a tracking dye in DNA, RNA (agarose), and protein (polyacrylamide) electrophoresis.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
개인 보호 장비
dust mask type N95 (US), Eyeshields, Gloves
이미 열람한 고객
Atsushi Seki et al.
Analytica chimica acta, 582(1), 154-157 (2007-03-28)
Novel spectroscopic sensor based on a hetero-core structured fiber optic is described in this paper. The hetero-core structured fiber optic consists of multi mode fibers and a short piece of single mode fiber which was inserted in the multi mode
Paula C A Jerónimo et al.
The Analyst, 130(8), 1190-1197 (2005-07-16)
An optical biosensor based on immobilised carbonic anhydrase and its application to the determination of the anti-glaucoma agent acetazolamide by enzyme inhibition measurements, is described. The enzyme and a pH indicator dye, cresol red, were physically immobilised in overlapped sol-gel
Berthold Borucki et al.
Biochemistry, 41(31), 10026-10037 (2002-07-31)
We studied the kinetics of proton uptake and release by photoactive yellow protein (PYP) from Ectothiorhodospira halophila in wild type and the E46Q and E46A mutants by transient absorption spectroscopy with the pH-indicator dyes bromocresol purple or cresol red in
M Swati et al.
Analytica chimica acta, 676(1-2), 68-74 (2010-08-31)
An optical biosensing scheme based on urease encapsulated calcium alginate microspheres which are coated with polyelectrolyte nanofilms predominantly composed of cresol red (CR) dye is demonstrated in this paper. The dye molecules within the nanofilms are deposited via the layer-by-layer
K Horie et al.
Analytical biochemistry, 137(1), 80-87 (1984-02-01)
A highly sensitive quantitative method was developed to detect protons released or taken up upon ligand binding. A small change in pH due to proton release or uptake was detected by measuring the difference in the absorbance of a pH
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