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761494

Sigma-Aldrich

4-Bromo-1-naphthol

95%

Synonym(s):

1-Bromo-4-hydroxynaphthalene, 4-Bromo-1-naphthalenol

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About This Item

Empirical Formula (Hill Notation):
C10H7BrO
CAS Number:
571-57-3
Molecular Weight:
223.07
MDL number:
MFCD03129265
UNSPSC Code:
12352100
PubChem Substance ID:
329766943
NACRES:
NA.22

Quality Level

100

Assay

95%

form

solid

mp

128-133 °C

SMILES string

Oc1ccc(Br)c2ccccc12

InChI

1S/C10H7BrO/c11-9-5-6-10(12)8-4-2-1-3-7(8)9/h1-6,12H

InChI key

OUNQUWORSXHSJN-UHFFFAOYSA-N

Signal Word

Danger

Hazard Statements

H302,H315,H318,H335,H410

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

257.0 °F - closed cup

Flash Point(C)

125 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
MKCG8799
MKCC1375
MKBK8129
MKBK8129V

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Marko Weimar et al.
The Journal of organic chemistry, 75(8), 2718-2721 (2010-03-23)
Starting from Dane's diene and methylcyclopentenedione, (+)-estrone is synthesized along the Quinkert-Dane route in 24% total yield. The key step is an enantioselective Diels-Alder reaction promoted by an amidinium catalyst as efficiently as by a traditional Ti-TADDOLate Lewis acid.

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