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API Impurities

1-Bromo-4-methoxybutane

Reference StandardAvailable on request

Order 1-Bromo-4-methoxybutane (CAS 4457-67-4) online at Zemixal. Request a quote with price, lead time and documents. Part of our API Impurities range.

Pack sizes
1-Bromo-4-methoxybutane chemical structure
CAS number4457-67-4
FormulaC5H11BrO
Molar mass167.04 g/mol
Physical formSolid
HS code38229090
InChIKeyALOQTNHQNMYBDE-UHFFFAOYSA-N
IUPAC name1-bromo-4-methoxybutane

About 1-Bromo-4-methoxybutane

Zemixal lists 1-Bromo-4-methoxybutane for laboratories that identify, quantify or control Brexpiprazole and its related substances. Identity at a glance (Reference Standard): CAS 4457-67-4, formula C5H11BrO and molar mass 167.04 g/mol. It is handled as a solid.

Use cases we see most often

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Safe handling

It carries the GHS signal word Warning (H226, H302, H315 and H319), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Brexpiprazole

See every impurity, metabolite and related compound we list for this API.

Brexpiprazole standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of 1-Bromo-4-methoxybutane
Product name1-Bromo-4-methoxybutane
Catalogue numberZX-040157
CAS number4457-67-4
IUPAC name1-bromo-4-methoxybutane
Molecular formulaC5H11BrO
Molar mass167.04 g/mol
Exact mass165.9993
GradeReference Standard
Physical formSolid
XLogP31.6
H-bond donors / acceptors0 / 1
Topological polar surface area9.2 Ų
HS code38229090
InChIKeyALOQTNHQNMYBDE-UHFFFAOYSA-N
SMILESCOCCCCBr
PubChem CID521168
Synonyms1-Methoxy-4-bromobutane, Butane, 1-bromo-4-methoxy-, 4-Methoxybutyl bromide, Ether, 4-bromobutyl methyl, 4-Bromobutyl methyl ether, .omega.-Bromobutyl methyl ether, omega-Bromobutyl methyl ether, 4-methoxybutylbromide, 4-bromo-1-methoxy-butane, Br(CH2)4OCH3

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS02 Flammable
Flammable
GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H226Flammable liquid and vapor
  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P210, P233, P240, P241, P242, P243, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P370 + P378

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 1-Bromo-4-methoxybutane
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 1-Bromo-4-methoxybutane

Which CAS number identifies 1-Bromo-4-methoxybutane?
1-Bromo-4-methoxybutane is registered under CAS 4457-67-4. You may also see it listed as 1-Methoxy-4-bromobutane, Butane, 1-bromo-4-methoxy-, 4-Methoxybutyl bromide. Our catalogue number for this item is ZX-040157.
What are the formula and molar mass of 1-Bromo-4-methoxybutane?
For 1-Bromo-4-methoxybutane, its formula is C5H11BrO and its molar mass is 167.04 g/mol. The systematic (IUPAC) name is 1-bromo-4-methoxybutane. InChIKey ALOQTNHQNMYBDE-UHFFFAOYSA-N lets you match it in any structure database.
How is 1-Bromo-4-methoxybutane used in pharmaceutical QC?
1-Bromo-4-methoxybutane is a characterised reference material linked to Brexpiprazole. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 1-Bromo-4-methoxybutane?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 1-Bromo-4-methoxybutane?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 1-Bromo-4-methoxybutane to my country?
Yes. Because 1-Bromo-4-methoxybutane is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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