Diphenylcarbamide - CAS 102-07-8
Category:
Main Product
Product Name:
Diphenylcarbamide
Catalog Number:
102-07-8
Synonyms:
CARBANILIDE; CARBANILLIDE; AURORA KA-6699; DIPHENYLCARBAMIDE; 1,3-DIPHENYLUREA; AKOS B028830
CAS Number:
102-07-8
Molecular Weight:
212.25
Molecular Formula:
C13H12N2O
Quantity:
Data not available, please inquire.
COA:
Inquire
MSDS:
Inquire
Canonical SMILES:
C1=CC=C(C=C1)NC(=O)NC2=CC=CC=C2
InChI:
InChI=1S/C13H12N2O/c16-13(14-11-7-3-1-4-8-11)15-12-9-5-2-6-10-12/h1-10H,(H2,14,15,16)
InChIKey:
GWEHVDNNLFDJLR-UHFFFAOYSA-N
Chemical Structure
CAS 102-07-8 Diphenylcarbamide

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Reference Reading


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Singh R1, Dong H2, Liu D3, Zhao L1, Marts AR4, Farquhar E5, Tierney DL4, Almquist CB6, Briggs BR1. Geochim Cosmochim Acta. 2015 Jan 1;148:442-456.
Despite the significant progress on iron reduction by thermophilic microorganisms, studies on their ability to reduce toxic metals are still limited, despite their common co-existence in high temperature environments (up to 70°C). In this study, Methanothermobacter thermautotrophicus, an obligate thermophilic methanogen, was used to reduce hexavalent chromium. Experiments were conducted in a growth medium with H2/CO2 as substrate with various Cr6+ concentrations (0.2, 0.4, 1, 3, and 5 mM) in the form of potassium dichromate (K2Cr2O7). Time-course measurements of aqueous Cr6+ concentrations with the 1, 5-diphenylcarbazide colorimetric method showed complete reduction of the 0.2 and 0.4 mM Cr6+ solutions by this methanogen. However, much lower reduction extents of 43.6%, 13.0%, and 3.7% were observed at higher Cr6+ concentrations of 1, 3 and 5 mM, respectively. These lower extents of bioreduction suggest a toxic effect of aqueous Cr6+ to cells at this concentration range.
2.Trace determination of chromium(VI) in environmental water samples using innovative thermally reduced graphene (TRG) modified SiO₂ adsorbent for solid phase extraction and UV-vis spectrophotometry.
Sereshti H1, Farahani MV2, Baghdadi M3. Talanta. 2016 Jan 1;146:662-9. doi: 10.1016/j.talanta.2015.06.051. Epub 2015 Jun 23.
An innovative thermally reduced graphene (TRG) modified silica-supported 3-aminopropyltriethoxysilane (SiO2-APTES) composite was synthesized and characterized using Fourier transform-infrared spectroscopy (FT-IR) and scanning electron microscopy SEM techniques. The adsorbent was then used in the solid phase extraction (SPE) of Cr (VI) as the Cr (VI)-diphenylcarbazide (DPC) complex with the subsequent measurement by UV-vis spectrophotometry. The adsorbent surface was activated by adding sodium dodecyl sulfate (SDS) to the sample solution. The effect of the main experimental parameters such as type and volume of the extraction solvent, pH, dosage of DPC, SDS, the adsorbent, time of the extraction, and salt concentration on the extraction efficiency were investigated and optimized. A linear dynamic range of 1.3-40 ng mL(-1) with a satisfactory determination coefficient (R(2)) of 0.9930 was obtained. A detection limit of 0.4 ng mL(-1) Cr (VI) was attained when a sample volume of 25 mL was used.
3.Nitrite interference and elimination in diphenylcarbazide (DPCI) spectrophotometric determination of hexavalent chromium.
He D1, Zheng M2, Ma T2, Ni J2. Water Sci Technol. 2015;72(2):223-9. doi: 10.2166/wst.2015.203.
Cr(VI) is highly noted as a carcinogenic, mutagenic, and teratogenic pollutant. However, accurate determination of Cr(VI) in aqueous samples is difficult using the conventional diphenylcarbazide (DPCI) spectrophotometric method upon being interfered by co-existed nitrite. This paper illustrates how to eliminate the nitrite influence in a simple but efficient method based on a detailed analysis of interference mechanism. High-performance liquid chromatography analysis revealed that under acidic condition, DPCI was oxidized by nitrite to other substrates, which could not react with Cr(VI). The final oxidation product of DPCI was further purified by thin-layer chromatography and identified as diaryl carbodiazone by Fourier Transform Ion Cyclotron Resonance-Mass Spectrometry (FTICR-MS) and nuclear magnetic resonance. Consequently, an improved method was proposed by simply adding sulfamic acid for eliminating the nitrite interference in Cr(VI) determination.
4.Mexican propolis flavonoids affect photosynthesis and seedling growth.
King-Díaz B1, Granados-Pineda J2, Bah M3, Rivero-Cruz JF2, Lotina-Hennsen B4. J Photochem Photobiol B. 2015 Oct;151:213-20. doi: 10.1016/j.jphotobiol.2015.08.019. Epub 2015 Aug 15.
As a continuous effort to find new natural products with potential herbicide activity, flavonoids acacetin (1), chrysin (2) and 4',7-dimethylnarangenin (3) were isolated from a propolis sample collected in the rural area of Mexico City and their effects on the photosynthesis light reactions and on the growth of Lolium perenne, Echinochloa crus-galli and Physalis ixocarpa seedlings were investigated. Acacetin (1) acted as an uncoupler by enhancing the electron transport under basal and phosphorylating conditions and the Mg(2+)-ATPase. Chrysin (2) at low concentrations behaved as an uncoupler and at concentrations up to 100 μM its behavior was as a Hill reaction inhibitor. Finally, 4',7-dimethylnarangenin (3) in a concentration-dependent manner behaved as a Hill reaction inhibitor. Flavonoids 2 and 3 inhibited the uncoupled photosystem II reaction measured from water to 2,5-dichloro-1,4-benzoquinone (DCBQ), and they did not inhibit the uncoupled partial reactions measured from water to sodium silicomolybdate (SiMo) and from diphenylcarbazide (DPC) to diclorophenol indophenol (DCPIP).