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Pharmacopeial Impurities (EP / USP / BP)

Dopamine EP Impurity A

Reference StandardAvailable on request

Order Dopamine EP Impurity A (CAS 645-33-0) online at Zemixal: C9H14ClNO2, COA and SDS with every lot, worldwide shipping.

Pack sizes
Dopamine EP Impurity A chemical structure
CAS number645-33-0
FormulaC9H14ClNO2
Molar mass203.66 g/mol
Physical formSolid
HS code38229090
InChIKeyKAAFITWSSODFMA-UHFFFAOYSA-N
IUPAC name5-(2-aminoethyl)-2-methoxyphenol;hydrochloride

About Dopamine EP Impurity A

Dopamine EP Impurity A belongs to the Dopamine reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 645-33-0, formula C9H14ClNO2 and molar mass 203.66 g/mol. It is handled as a solid.

Typical applications

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

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

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 A
Product nameDopamine EP Impurity A
Catalogue numberZX-029075
CAS number645-33-0
IUPAC name5-(2-aminoethyl)-2-methoxyphenol;hydrochloride
Molecular formulaC9H14ClNO2
Molar mass203.66 g/mol
Exact mass203.0713
GradeReference Standard
Physical formSolid
H-bond donors / acceptors3 / 3
Topological polar surface area55.5 Ų
HS code38229090
InChIKeyKAAFITWSSODFMA-UHFFFAOYSA-N
SMILESCOC1=C(C=C(C=C1)CCN)O.Cl
PubChem CID11665606
SynonymsDopamine Hydrochloride - Impurity A (Hydrochloride Salt), 3-Hydroxy-4-methoxyphenethylamine hydrochloride, 4-O-Methyldopamine hydrochloride, 5-(2-aminoethyl)-2-methoxyphenol hydrochloride, 4-Methoxytyramine hydrochloride, 4-O-Methyldopamine (hydrochloride), 4-(2-Aminoethyl)guaiacol hydrochloride, 4-(2-Aminoethyl)guaiacol HCl, 5-(2-Aminoethyl)-2-methoxyphenol Hydrochloride (4-O-Methyldopamine Hydrochloride), 5-(2-amino-ethyl)-2-methoxy-phenol hydrochloride, 3-Hydroxy-4-methoxyphenethylamine HCl, 5-(2-Aminoethyl)-2-methoxyphenol HCl

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

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

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 A
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 A

Which CAS number identifies Dopamine EP Impurity A?
Dopamine EP Impurity A is registered under CAS 645-33-0. You may also see it listed as Dopamine Hydrochloride - Impurity A (Hydrochloride Salt), 3-Hydroxy-4-methoxyphenethylamine hydrochloride, 4-O-Methyldopamine hydrochloride. Our catalogue number for this item is ZX-029075.
What are the formula and molar mass of Dopamine EP Impurity A?
For Dopamine EP Impurity A, its formula is C9H14ClNO2 and its molar mass is 203.66 g/mol. InChIKey KAAFITWSSODFMA-UHFFFAOYSA-N lets you match it in any structure database.
How is Dopamine EP Impurity A used in pharmaceutical QC?
Dopamine EP Impurity A 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 A?
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 A?
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 A to my country?
Yes. Because Dopamine EP Impurity A 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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