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Methyl 4-bromobutyrate

Also known as: 4-Bromobutyric acid methyl ester, Methyl 4-bromobutanoate, 4-Bromobutanoic acid methyl ester, Methyl 4-bromo-n-butyrate, Br-C3-methyl ester

Methyl 4-bromobutyrate (CAS 4897-84-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H9BrO2 and a molecular weight of 181.028 g/mol. Key properties include a boiling point of 186.5±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 87.0±13.0 °C. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
4897-84-1
Jingsj CID
J-45520-9
Molecular Formula
C5H9BrO2
Molecular Weight
181.028 g/mol
Category
Organic Acids
Last updated
8/21/2026
Made to Order

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Physicochemical Properties

Boiling Point186.5±0.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point87.0±13.0 °C
Exact Mass179.978592
PSA26.30000
LogP1.47
Vapor Pressure0.7±0.3 mmHg at 25°C
Refractive Index1.456
Additional Propertyinsoluble

Activity & Biological Data

TargetAlkyl/ether
Additional Information[1]. Binbin Cheng, et al. Discovery of novel resorcinol diphenyl ether-based PROTAC-like molecules as dual inhibitors and degraders of PD-L1. Eur J Med Chem. 2020;199:112377.

Customs & Trade Information

HS Code2915900090
Summary2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Methyl 4-bromobutyrate?

The CAS number of Methyl 4-bromobutyrate is 4897-84-1.

What are the molecular formula and molecular weight of Methyl 4-bromobutyrate?

Methyl 4-bromobutyrate has molecular formula C5H9BrO2 and molecular weight 181.028 g/mol.

Which suppliers offer Methyl 4-bromobutyrate?

1 supplier(s) listed; request a quote for pricing.

What are the upstream and downstream products of Methyl 4-bromobutyrate?

For Methyl 4-bromobutyrate, Downstream Products: 4-Bromo-1-butanol, 1-Butanol, Methyl bromide.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Methyl 4-bromobutyrate (CAS 4897-84-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45520-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.