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333522

Sigma-Aldrich

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

Dye content 90 %

Sinónimos:

BAO

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About This Item

Fórmula empírica (notación de Hill):
C14H12N4O
Número de CAS:
2425-95-8
Peso molecular:
252.27
Beilstein/REAXYS Number:
243757
EC Number:
219-373-8
MDL number:
MFCD00042667
UNSPSC Code:
12352103
PubChem Substance ID:
24860141
NACRES:
NA.23

form

powder

composition

Dye content, 90%

mp

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

InChI key

MJZXFMSIHMJQBW-UHFFFAOYSA-N

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General description

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

Application

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.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análisis (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
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
Senthi Mahibalan et al.
Pharmaceutical biology, 54(12), 2851-2856 (2016-06-09)
Evolvulus alsinoides Linn. (Convolvulaceae), well known as shankhpushpi in Ayurvedic text, is traditionally used for several healing purposes. A comparative evaluation of dermal wound healing potential of acidic and basic alkaloid enriched-ointment (AAO and BAO) of aerial parts of E.
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