ChemicalBook > CAS DataBase List > 5-Benzoxazolecarboxaldehyde (9CI)

5-Benzoxazolecarboxaldehyde (9CI)

Product Name: 5-Benzoxazolecarboxaldehyde (9CI)
CAS No.: 638192-65-1
Chemical Name: 5-Benzoxazolecarboxaldehyde (9CI)
Synonyms: Benzoxazol-5-formaldehyde;Benzoxazole-5-carbaldehyde;5-Benzoxazolecarboxaldehyde;benzo[d]oxazole-5-carbaldehyde;1,3-Benzoxazole-5-carbaldehyde;Benzo [D] oxazole-5-formaldehyde;5-Benzoxazolecarboxaldehyde (9CI);1,3-Benzoxazole-2,5-dicarbaldehyde
CBNumber: CB01090552
Molecular Formula: C8H5NO2
Formula Weight: 147.13
MOL File: 638192-65-1.mol

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5-Benzoxazolecarboxaldehyde (9CI) Property

Boiling point:: 271.1±13.0 °C(Predicted)
Density: 1.322±0.06 g/cm3(Predicted)
storage temp.: Inert atmosphere,Store in freezer, under -20°C
pka: -2.52±0.10(Predicted)
Appearance: White to off-white Solid
InChI: InChI=1S/C8H5NO2/c10-4-6-1-2-8-7(3-6)9-5-11-8/h1-5H
InChIKey: NOZVUPWWWWWFEV-UHFFFAOYSA-N
SMILES: O1C2=CC=C(C=O)C=C2N=C1

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

TRC

Product number: B130410
Product name: Benzo[D]oxazole-5-carbaldehyde
Packaging: 100mg
Price: $175
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB143425
Product name: Benzo[d]oxazole-5-carbaldehyde
Packaging: 50mg
Price: $53
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB143425
Product name: Benzo[d]oxazole-5-carbaldehyde
Packaging: 100mg
Price: $92
Updated: 2021/12/16

AK Scientific

Product number: 9768AB
Product name: Benzo[d]oxazole-5-carbaldehyde
Packaging: 50mg
Price: $121
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB143425
Product name: Benzo[d]oxazole-5-carbaldehyde
Packaging: 250mg
Price: $185
Updated: 2021/12/16

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5-Benzoxazolecarboxaldehyde (9CI) Chemical Properties,Usage,Production

Synthesis

1622428-38-9

638192-65-1

At -78 °C, 5-vinylbenzo[d]oxazole (LX) (6.1 g, 42.1 mmol, 1.0 eq.) was dissolved in dichloromethane (DCM, 100 mL) and ozone was passed through the solution until the solution took on a blue color. Subsequently, the solution was purged with oxygen (O2) and then nitrogen (N2) for 5 minutes. Triethylamine (TEA, 12.8 g, 126.3 mmol, 3.0 eq.) was added and the reaction mixture was stirred at 25 °C for 1 hour. Upon completion of the reaction, the solution was poured into water (200 mL) and extracted with ethyl acetate (EtOAc, 3 x 300 mL). The organic phases were combined, dried over anhydrous sodium sulfate and filtered, and the filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (eluent: petroleum ether (PE):ethyl acetate (EtOAc) = 10:1→1:1) to afford benzo[d]oxazole-5-carboxaldehyde (LXI) (2.1 g, 14.3 mmol, 33.9% yield) as a colorless oil.1H NMR (CDCl3, 400 MHz) δ ppm: 7.75 (d, J = 8.4Hz, 1H), 8.02 (dd, J = 8.4Hz, J = 1.2Hz, 1H), 8.22 (s, 1H), 8.33 (s, 1H), 10.13 (s, 1H); ESIMS m/z: 148.0 ([M + H]+, C8H5NO2).

References

[1] Patent: US2014/243349, 2014, A1. Location in patent: Paragraph 1741; 1744

5-Benzoxazolecarboxaldehyde (9CI) Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 5-Benzoxazolecarboxaldehyde (9CI) manufacturers

Jiangsu Boquan Biotechnology Co., Ltd.

Product: 5-Benzoxazolecarboxaldehyde (9CI) 638192-65-1
Price: US $997.34/g
Min. Order: 1g
Purity: 95%
Supply Ability: 1kg
Release date: 2023-02-10

638192-65-1, 5-Benzoxazolecarboxaldehyde (9CI)Related Search:

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638192-65-1

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