333522
2,5-Bis-(4-aminophenyl)-1,3,4-oxadiazole
Dye content 90 %
Synonym(s):
BAO
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About This Item
Empirical Formula (Hill Notation):
C14H12N4O
CAS Number:
Molecular Weight:
252.27
Beilstein:
243757
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23
Recommended Products
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.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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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
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
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
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.
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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