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Pharmacopeial Impurities (EP / USP / BP)

Dopamine EP Impurity B (Freebase)

Reference StandardAvailable on request

Buy Dopamine EP Impurity B (Freebase) (CAS 554-52-9) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-005669.

Pack sizes
Dopamine EP Impurity B (Freebase) chemical structure
CAS number554-52-9
FormulaC9H13NO2
Molar mass167.2 g/mol
Physical formSolid
HS code38229090
InChIKeyDIVQKHQLANKJQO-UHFFFAOYSA-N
IUPAC name4-(2-aminoethyl)-2-methoxyphenol

About Dopamine EP Impurity B (Freebase)

Dopamine EP Impurity B (Freebase) belongs to the Dopamine reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 554-52-9, formula C9H13NO2 and molar mass 167.2 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Handling and storage

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Dopamine

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

Dopamine standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Dopamine EP Impurity B (Freebase)
Product nameDopamine EP Impurity B (Freebase)
Catalogue numberZX-005669
CAS number554-52-9
Other CAS numbers1477-68-5
IUPAC name4-(2-aminoethyl)-2-methoxyphenol
Molecular formulaC9H13NO2
Molar mass167.2 g/mol
Exact mass167.0946
GradeReference Standard
Physical formSolid
XLogP30.2
H-bond donors / acceptors2 / 3
Topological polar surface area55.5 Ų
HS code38229090
InChIKeyDIVQKHQLANKJQO-UHFFFAOYSA-N
SMILESCOC1=C(C=CC(=C1)CCN)O
PubChem CID1669
Synonyms2-(4-Hydroxy-3-methoxyphenyl)ethylamine, 2-Methoxy-4-(2-aminoethyl)phenol, 3-Methoxy-4-hydroxyphenethylamine, 3-Methoxy-4-hydroxyphenylethylamine, 3-Methoxy-p-tyramine, 3-Methoxydopamine, 3-Methoxytyramine, 3-MT, 3-O-Methyldopamine, 4-Hydroxy-3-methoxy-2-phenethylamine, 4-Hydroxy-3-methoxy-β-phenethylamine, 4-Hydroxy-3-methoxyphenethylamine

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H319Causes serious eye irritation

Precautionary statements P264 + P265, P280, P305 + P351 + P338, P337 + P317

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 Dopamine EP Impurity B (Freebase)
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 Dopamine EP Impurity B (Freebase)

Which CAS number identifies Dopamine EP Impurity B (Freebase)?
Dopamine EP Impurity B (Freebase) is registered under CAS 554-52-9. You may also see it listed as 2-(4-Hydroxy-3-methoxyphenyl)ethylamine, 2-Methoxy-4-(2-aminoethyl)phenol, 3-Methoxy-4-hydroxyphenethylamine. Our catalogue number for this item is ZX-005669.
What are the formula and molar mass of Dopamine EP Impurity B (Freebase)?
For Dopamine EP Impurity B (Freebase), its formula is C9H13NO2 and its molar mass is 167.2 g/mol. The systematic (IUPAC) name is 4-(2-aminoethyl)-2-methoxyphenol. InChIKey DIVQKHQLANKJQO-UHFFFAOYSA-N lets you match it in any structure database.
How is Dopamine EP Impurity B (Freebase) used in pharmaceutical QC?
Dopamine EP Impurity B (Freebase) is a characterised reference material linked to Dopamine. 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 Dopamine EP Impurity B (Freebase)?
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 Dopamine EP Impurity B (Freebase)?
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 Dopamine EP Impurity B (Freebase) to my country?
Yes. Because Dopamine EP Impurity B (Freebase) 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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