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Merck
CN

340537

Trimethyl 4-bromoorthobutyrate

95%

Synonym(s):

4-Bromo-1,1,1-trimethoxybutane

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About This Item

Linear Formula:
Br(CH2)3C(OCH3)3
CAS Number:
55444-67-2
Molecular Weight:
227.10
NACRES:
NA.22
PubChem Substance ID:
24860825
UNSPSC Code:
12352100
MDL number:
MFCD00075197

Key Documents

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Product Name

Trimethyl 4-bromoorthobutyrate, 95%

InChI

1S/C7H15BrO3/c1-9-7(10-2,11-3)5-4-6-8/h4-6H2,1-3H3

SMILES string

COC(CCCBr)(OC)OC

InChI key

QBLJMYITBNHQOT-UHFFFAOYSA-N

assay

95%

form

liquid

refractive index

n20/D 1.456 (lit.)

bp

70 °C/0.7 mmHg (lit.)

density

1.309 g/mL at 25 °C (lit.)

functional group

bromo
ether

storage temp.

2-8°C

Application

Trimethyl 4-bromoorthobutyrate was used in the synthesis of macrocyclic lactone (S)-curvularin. Grignard reagent derived from trimethyl 4-bromoorthobutyrate was used in the preparation of novel hapten 4-(17 β-hydroxy-3-oxoestra-4,9-dien-11-β-yl)butanoic acid, used in enzyme-linked immunosorbent assay (ELISA) for testosterone.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

163.4 °F - closed cup

flash_point_c

73 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
00501EJ
00831KE
15030PD
12122AZ
10214BY

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A chemoenzymatic synthesis of the macrocyclic lactone (S)-curvularin.
Bracher F and Schulte B.
Natural Product Letters, 7(1), 65-68 (1995)
P N Rao et al.
Steroids, 57(4), 154-161 (1992-04-01)
A microplate enzyme-linked immunosorbent assay (ELISA) has been developed for the measurement of testosterone in plasma. The assay uses a heterologous system consisting of a novel hapten 4-(17 beta-hydroxy-3-oxoestra-4,9-dien-11 beta-yl)butanoic acid (1) conjugated to penicillinase (beta-lactamase). The key reaction in

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