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333522

Sigma-Aldrich

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

Dye content 90 %

Sinonimo/i:

BAO

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About This Item

Formula empirica (notazione di Hill):
C14H12N4O
Numero CAS:
2425-95-8
Peso molecolare:
252.27
Beilstein:
243757
Numero CE:
219-373-8
Numero MDL:
MFCD00042667
Codice UNSPSC:
12352103
ID PubChem:
24860141
NACRES:
NA.23

Forma fisica

powder

Composizione

Dye content, 90%

Punto di fusione

250-254 °C (lit.)

Stringa SMILE

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
MJZXFMSIHMJQBW-UHFFFAOYSA-N

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Descrizione generale

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

Applicazioni

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.

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H315,H319,H335

Classi di pericolo

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
1387871V
1387871
15209JR
14430HN
10623KC

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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
Yu-Bin Dong et al.
Inorganic chemistry, 42(2), 294-300 (2003-04-16)
The coordination chemistry of the oxadiazole-containing rigid bidentate ligands 2,5-bis(4-pyridyl)-1,3,4-oxadiazole (L2) and 2,5-bis(4-aminophenyl)-1,3,4-oxadiazole (L3) with inorganic Ag(I) salts has been investigated. Four new coordination polymers were prepared by solution reactions and fully characterized by infrared spectroscopy, elemental analysis, and single-crystal
R Hobi et al.
Brain research, 305(2), 209-219 (1984-07-09)
Previous work from our laboratories has indicated that the DNA content of rat cerebral cortex neurons increases postnatally to a level of slightly above 3c, where 2c denotes the diploid DNA complement. We have re-evaluated this concept by using various
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