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Merck

253901

5-Bromo-1-pentene

95%

Sinónimos:

1-Bromo-4-pentene, 4-Pentenyl bromide

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Fórmula lineal:
Br(CH2)3CH=CH2
Número CAS:
1119-51-3
Peso molecular:
149.03
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24855339
EC Number:
214-281-4
Beilstein/REAXYS Number:
506077
MDL number:
MFCD00000264

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Nombre del producto

5-Bromo-1-pentene, 95%

InChI key

LPNANKDXVBMDKE-UHFFFAOYSA-N

InChI

1S/C5H9Br/c1-2-3-4-5-6/h2H,1,3-5H2

SMILES string

BrCCCC=C

assay

95%

form

liquid

refractive index

n20/D 1.463 (lit.)

bp

126-127 °C/765 mmHg (lit.)

density

1.258 g/mL at 25 °C (lit.)

functional group

alkyl halide
allyl
bromo

storage temp.

2-8°C

Quality Level

200

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1 of 4

Este artículo
722480709735551902
5-Bromo-1-pentene 95%

Sigma-Aldrich

253901

5-Bromo-1-pentene

5-Bromo-2-methylphenol 95%

Sigma-Aldrich

722480

5-Bromo-2-methylphenol

2-Bromo-5-hydroxypyrazine 95%

Sigma-Aldrich

709735

2-Bromo-5-hydroxypyrazine

5-Bromo-2-chloropyridine 95%

Sigma-Aldrich

551902

5-Bromo-2-chloropyridine

assay

95%

assay

95%

assay

95%

assay

95%

Quality Level

200

Quality Level

100

Quality Level

100

Quality Level

100

density

1.258 g/mL at 25 °C (lit.)

density

-

density

-

density

-

form

liquid

form

solid

form

powder

form

-

storage temp.

2-8°C

storage temp.

-

storage temp.

-

storage temp.

-

bp

126-127 °C/765 mmHg (lit.)

bp

-

bp

-

bp

-

Application

5-Bromo-1-pentene was used in stereoselective synthesis of 7α-(3-carboxypropyl) estradiol[1]. It was used in preparation of thioacetate 11 of sialic acid having thioglycosidic linkage[2]. It was also used as staring material in recent syntheses of DL-histrionicotoxin[3] and benzophenone-containing fatty acids[4].

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Clase de almacenamiento

3 - Flammable liquids

wgk

WGK 3

flash_point_f

87.8 °F - closed cup

flash_point_c

31 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificados de análisis (COA)

Lot/Batch Number
BCBX5021
0000285601
0000086667
0000134197
0000134197

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Yonghong Gan et al.
The Journal of organic chemistry, 71(25), 9487-9490 (2006-12-02)
Syntheses of new benzophenone-containing fatty acids (FABPs) 1, 5, and 6 and a new route to FABP 3 are described. Combined with the known 2 and 4, these FABPs comprise a set of photoactivatable fatty acid analogues with the crosslinking
M Adamczyk et al.
Steroids, 62(12), 771-775 (1998-01-22)
Alkylation of 3,17 beta-bis(2-trimethylsilyl)ethoxymethyl-1,3,5(10) estratriene-6-one (2) with 5-bromo-1-pentene using NaHMDS in THF afforded 3,17 beta-bis(2-trimethylsilyl)ethoxymethyl-7-alpha-(4'pentenyl)-1,3,5(10) estratriene-6-one (3) in excellent stereoselectivity (> 95% epimeric excess). Functionalization of the side chain in compound 3 was accomplished via ozonolysis, oxidation and esterification to
Maheswaran S Karatholuvhu et al.
Journal of the American Chemical Society, 128(39), 12656-12657 (2006-09-28)
The synthesis of (+/-)-histrionicotoxin has been achieved in just nine steps using a two-directional synthesis strategy. Key reactions include a two-directional cross-metathesis, a tandem oxime formation/Michael addition/1,4-prototopic shift/[3 + 2]-cycloaddition cascade, a selective Z,Z-bisenyne formation, and a one-pot N-O and
Jun-Ichi Sakamoto et al.
Bioorganic & medicinal chemistry letters, 17(3), 717-721 (2006-11-11)
An efficient synthesis of a series of carbosilane dendrimers uniformly functionalized with alpha-thioglycoside of sialic acid was accomplished. The results of a preliminary study on biological responses against influenza virus sialidases using thiosialoside clusters showed that some of the glycodendrimers
Yifan Dong et al.
Carbohydrate polymers, 221, 37-47 (2019-06-23)
Bile salts tend to form micelles in aqueous media and can thereby contribute to drug solubilization; they also exhibit crystallization inhibition properties that can stabilize supersaturated drug solutions. Herein, we explore conjugation of bile salts with polysaccharides to create new
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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 respuesta

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

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