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333522

Sigma-Aldrich

2,5-Bis-(4-aminophenyl)-1,3,4-oxadiazol

Dye content 90 %

Synonym(e):

BAO

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About This Item

Empirische Formel (Hill-System):
C14H12N4O
CAS-Nummer:
2425-95-8
Molekulargewicht:
252.27
Beilstein:
243757
EG-Nummer:
219-373-8
MDL-Nummer:
MFCD00042667
UNSPSC-Code:
12352103
PubChem Substanz-ID:
24860141
NACRES:
NA.23

Form

powder

Zusammensetzung

Dye content, 90%

mp (Schmelzpunkt)

250-254 °C (lit.)

SMILES String

Nc1ccc(cc1)-c2nnc(o2)-c3ccc(N)cc3

InChI

1S/C14H12N4O/c15-11-5-1-9(2-6-11)13-17-18-14(19-13)10-3-7-12(16)8-4-10/h1-8H,15-16H2

InChIKey

MJZXFMSIHMJQBW-UHFFFAOYSA-N

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Allgemeine Beschreibung

2, 5-Bis-(4-aminophenyl)-1, 3, 4-oxadiazole (BAO) is an oxadiazole-containing rigid bidentate ligands.

Anwendung

Aromatic polyimides were synthesized from 2, 5-bis(4-aminophenyl)-1,3,4-oxadiazole and 2,5-diamino-pyridine via high temperature polycondensation. BAO may be used to undertake Schiff-type staining of DNA obtained from cerebral cortex neurons. It may be used for cytofluorometric staining to estimate the nuclear DNA in living and preserved algae.

Piktogramme

Exclamation mark
GHS07

Signalwort

Warning

Gefahreneinstufungen

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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Analysenzertifikate (COA)

Lot/Batch Number
1387871V
1387871
20917MR
16116DO
10704PB

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Junji Uno et al.
World neurosurgery, 134, e469-e475 (2019-11-02)
To investigate the clinical effectiveness of mechanical thrombectomy (MT) for basilar artery occlusion (BAO) and to ascertain whether outcomes for patients with BAO were comparable to those with anterior circulation large vessel occlusion (ACS). A total of 345 patients who
Jing Gao et al.
Environmental science and pollution research international, 25(27), 27090-27105 (2018-07-19)
The purpose of this study was to identify the concentrations, sources, and potential ecological and health risks of heavy metals in soils from a typical industrial area in Shanghai, China. A total of 28 surface soil samples were collected and
Jason M Evans et al.
Journal of the Air & Waste Management Association (1995), 67(2), 196-211 (2016-09-16)
The Northern Colorado Front Range (NCFR) has been in exceedance of the ozone National Ambient Air Quality Standard (NAAQS) since 2004, which has led to much debate over the sources of ozone precursors to the region, as this area is
H M Hull et al.
Stain technology, 57(5), 273-282 (1982-09-01)
Three DNA-localizing fluorochromes used in conjunction with epi (incident) UV illumination were examined for sensitivity and selectivity for the cytofluorometric determination of nuclear DNA in ten species of six algal genera: Mougeotia, Oedogonium, Sirogonium, Spirogyra and Zygnema among the green
Eugenia Grabiec et al.
The journal of physical chemistry. A, 113(8), 1481-1488 (2009-01-28)
Two series of new aromatic polyimides were synthesized from 2,5-bis(4-aminophenyl)-1,3,4-oxadiazole and 2,5-diamino-pyridine and various diamidedianhydrides and dietherdianhydride via high-temperature polycondensation in N-methyl-2-pyrrolidinone. The structures of polymers were characterized by means of FTIR, (1)H NMR spectroscopy, and elemental analysis; the results
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