추천 제품
제품명
o-Cresolphthalein, indicator grade
Grade
indicator grade
Quality Level
양식
powder
기술
titration: suitable
색상
beige
pH
8.2-9.8, colorless to red
mp
219-221 °C (lit.)
λmax
381 nm (2nd)
566 nm
ε (흡광계수)
≥10000 at 294-300 nm
≥39000 at 564-570 nm
≥5000 at 378-384 nm
응용 분야
diagnostic assay manufacturing
hematology
histology
저장 온도
room temp
SMILES string
Cc1cc(ccc1O)C2(OC(=O)c3ccccc23)c4ccc(O)c(C)c4
InChI
1S/C22H18O4/c1-13-11-15(7-9-19(13)23)22(16-8-10-20(24)14(2)12-16)18-6-4-3-5-17(18)21(25)26-22/h3-12,23-24H,1-2H3
InChI key
CPBJMKMKNCRKQB-UHFFFAOYSA-N
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애플리케이션
O-Cresolphthalein has been used as a component in calcifying media for calcification assay.
생화학적/생리학적 작용
o-Cresolphthalein is a reversible pH indicator. The kinetics of the reverse pathway (red-purple to colorless) is slow, thereby making it an appropriate molecule to check flow patterns in ducts with corrugated walls. It is also used for the colorimetric determination of calcium content via the o-cresolphthalein complexone method. Binding of calcium to o-cresolphthalein, in the presence of alkaline conditions (pH 10-12), results in the formation of a red complex with an absorbance at 570-575nm.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
개인 보호 장비
Eyeshields, Gloves, type N95 (US)
이미 열람한 고객
Natalia Campos-Obando et al.
European journal of epidemiology (2018-05-17)
Hyperphosphatemia has been associated with increased mortality in chronic kidney disease but the nature of such a relation in the general population is unclear. To investigate the association between phosphate (P) levels and all-cause and cause-specific mortality, we assessed two
Jin-Hyun Kim et al.
PloS one, 14(4), e0215244-e0215244 (2019-04-17)
In the stratum corneum, the intercellular junction made up of cadherin proteins provides the structural integrity of the framework. Ca2+ ions are known to play a key role in maintaining this junction. In this study, we hypothesized that Ca2+ chelation
Hyunseok Peter Kang et al.
Clinical chemistry, 50(4), 741-746 (2004-02-14)
Gadolinium formulations, which are administered as contrast agents in magnetic resonance imaging examinations, interfere with colorimetric serum calcium determinations. We performed an in vitro study to determine the extent to which three gadolinium formulations-gadodiamide (Omniscan), gadopentetate dimeglumine (Magnevist), and gadoversetamide
1,25-Dihydroxyvitamin D3 increases in vitro vascular calcification by modulating secretion of endogenous parathyroid hormone-related peptide.
Jono S, et al.
Circulation, 98, 1302-1302 (1998)
Ali Duran et al.
Journal of hazardous materials, 169(1-3), 466-471 (2009-04-29)
In present study preconcentration followed by solid phase extraction of heavy metal ions, Cu(II), Co(II), Ni(II) and Pb(II) using a multiwalled carbon nanotubes (MWNTs) and complexing reagent o-cresolphthalein complexone were investigated. The effects of parameters, including pH of the solutions
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