ChemicalBook > CAS DataBase List > 7-Methoxyindazole

7-Methoxyindazole

Product Name: 7-Methoxyindazole
CAS No.: 133841-05-1
Chemical Name: 7-Methoxyindazole
Synonyms: 7-methoxyindazole;7-METHOXY-1H-INDAZOLE;1H-Indazole, 7-methoxy-;7-methoxy-1H-indazole-3-carbonyl chloride
CBNumber: CB6830513
Molecular Formula: C8H8N2O
Formula Weight: 148.16
MOL File: 133841-05-1.mol

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7-Methoxyindazole Property

Melting point:: 91-92 °C
Boiling point:: 312.5±15.0 °C(Predicted)
Density: 1.244±0.06 g/cm3(Predicted)
storage temp.: Sealed in dry,Room Temperature
form: solid
pka: 13.33±0.40(Predicted)
color: Brown

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Safety

HS Code: 2933998090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TRC

Product number: M263460
Product name: 7-Methoxy-1H-indazole
Packaging: 10g
Price: $1025
Updated: 2021/12/16

Oakwood

Product number: 225680
Product name: 7-Methoxy-1H-indazole
Purity: 95+%
Packaging: 250mg
Price: $89
Updated: 2021/12/16

AK Scientific

Product number: Y7436
Product name: 7-Methoxy-1H-indazole
Packaging: 250mg
Price: $162
Updated: 2021/12/16

SynQuest Laboratories

Product number: 4H07-1-34
Product name: 7-Methoxy-1H-indazole
Packaging: 1g
Price: $375
Updated: 2021/12/16

Matrix Scientific

Product number: 088345
Product name: 7-Methoxy-1H-indazole
Packaging: 1g
Price: $536
Updated: 2021/12/16

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7-Methoxyindazole Chemical Properties,Usage,Production

Uses

7-Methoxy-1H-indazole is an inhibitor of neuronal nitric oxide synthase.

Synthesis

50868-76-3

133841-05-1

GENERAL STEPS: To a solution of N-(2-methoxy-6-methylphenyl)acetamide (9.28 g, 51.8 mmol) in ethyl acetate (100 mL) was added sequentially acetic anhydride (14.7 mL, 156 mmol), tetrabutylammonium bromide (0.84 g, 2.61 mmol), potassium acetate (10.16 g, 104 mmol), and isoamyl nitrite ( 9.1 mL, 67.7 mmol). The reaction mixture was heated to reflux for 9 hours. Upon completion of the reaction, the solvent was removed by distillation under reduced pressure. To the residue, 6 N aqueous sodium hydroxide solution (100 mL) was added and stirred for 1 h at room temperature. Subsequently, the pH of the mixture was adjusted to 7-8 with 3 N hydrochloric acid and extracted with chloroform. The organic layers were combined, dried with anhydrous magnesium sulfate and concentrated under reduced pressure. The resulting crude product was purified by silica gel column chromatography (eluent: n-hexane/ethyl acetate = 3/1→1/1) to afford 7-methoxy-1H-indazole (3.95 g, 51% yield).1H-NMR (DMSO-d6) δ: 3.94 (3H, s), 6.82 (1H, d, J = 7.5 Hz), 7.02 (1H, dd, J = 8.0, 7.5 Hz), 7.30 (1H, d, J = 8.0 Hz), 8.01 (1H, d, J = 1.5 Hz), 13.27 (brs, 1H).

References

[1] Patent: EP1514869, 2005, A1. Location in patent: Page/Page column 83
[2] Journal of the American Chemical Society, 1954, vol. 76, p. 1176

7-Methoxyindazole Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 7-Methoxyindazole manufacturers

Career Henan Chemical Co

Product: 7-METHOXY-1H-INDAZOLE 133841-05-1
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 200kg
Release date: 2019-12-30

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7-methoxy-1H-indazole-3-carbonyl chloride

7-methoxyindazole

133841-05-1