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4-Bromocrotonic acid methyl ester

BGC Id:	750928288570
CAS No:	1117-71-1
Synonyms:	methyl bromocrotonate ; methylbromocrotonate ; methyl 4-bromocrotonate 96% ; methyl4-bromo-2-butenoate ; methyl 4-bromo-2-butenoate ; methyl trans-4-bromocrotonate ; methyl gamma-bromocrotonate ; methyl 4-bromobut-2-enoate ; methyl 4-bromocrotonate ; methyl 4-bromocrotonate ,85%
Molecular Formula:	C5H7BrO2
Molecular Weight:	179.01
EINECS:	214-251-0

The most competitive supplier in 2026

The following notable provider has been checked and can be recommended.

Dayang Chem (Hangzhou) Co.,Ltd.

Company type: Leading producer

Phone: +86-571-88938639
Telefax: +86-571-8893-8652
Country: P.R.China

Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. Additionally 3,5-Dichloro-2-hydroxypyridine is supplied by us. We act also as agent of many chemical factories and promote their products to the international m ...

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What other providers are available for CAS 1117-71-1?

The last intensive check and update was carried out on 2026/03/01.

Identify

Synonyms:

methyl bromocrotonate ; methylbromocrotonate ; methyl 4-bromocrotonate 96% ; methyl4-bromo-2-butenoate ; methyl 4-bromo-2-butenoate ; methyl trans-4-bromocrotonate ; methyl gamma-bromocrotonate ; methyl 4-bromobut-2-enoate ; methyl 4-bromocrotonate ; methyl 4-bromocrotonate ,85%

CAS:

1117-71-1

EINECS:

214-251-0

Molecular Formula:

C5H7BrO2

MDL:

MFCD00000246

Properties

Molecular Weight:

179.01 g·mol−1

Density:

1.522 g/mL at 25 °C(lit.)

Boiling point:

83-85 °C13 mm Hg(lit.)

Flash point:

197 ºF

Safety Information

Hazard Symbols: Xi, C

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

37/38-41-34-20/21/22 (R)

Safety Codes:

26-39-45-36/37/39 (S)

WGK Germany:

RID / ADR:

3265

RTECS:

GQ3120000

Storage temperature:

2-8°C

What other providers are available for CAS 1117-71-1?

In addition to the providers presented here for 4-Bromocrotonic acid methyl ester with the CAS number 1117-71-1, there are other 68 providers with slightly different product names available for this CAS number.

Afatinib impurity 48

+1 additional providers that we know from the past

Methyl 4-bromocrotonate

Methyl (2E)-4-bromobut-2-enoate

BLD Pharmatech Ltd +3 additional providers that we know from the past