Dopamine EP Impurity A

Name: Dopamine EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-030283

About Dopamine EP Impurity A

Vaqora Chemicals supplies Dopamine EP Impurity A, a pharmacopeial impurity of Dopamine registered under CAS number 645-33-0. The compound has the formula C9H14ClNO2, corresponding to a molecular weight of 203.66 g/mol. Alternative names: 4-O-Methyldopamine hydrochloride and 4-Methoxytyramine hydrochloride.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

This Dopamine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Dopamine EP Impurity A in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Dopamine

View every impurity, metabolite and intermediate we list for Dopamine.

Dopamine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Dopamine EP Impurity A
Catalogue No.	VQ-030283
CAS Number	645-33-0
IUPAC name	5-(2-aminoethyl)-2-methoxyphenol;hydrochloride
Molecular formula	C₉H₁₄ClNO₂
Molecular weight	203.66 g/mol
Exact mass	203.0713
Grade	Reference Standard
HSN code	38229090
InChIKey	KAAFITWSSODFMA-UHFFFAOYSA-N
SMILES	COC1=C(C=C(C=C1)CCN)O.Cl
PubChem CID	11665606

Physical properties
Physical form	Solid
H-bond donors / acceptors	3 / 3
TPSA	55.5 Å²
Synonyms	Dopamine 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

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Dopamine EP Impurity A?

The CAS Registry Number of Dopamine EP Impurity A is 645-33-0. It is also known as Dopamine Hydrochloride - Impurity A (Hydrochloride Salt), 3-Hydroxy-4-methoxyphenethylamine hydrochloride, 4-O-Methyldopamine hydrochloride.

What is the molecular formula and molecular weight of Dopamine EP Impurity A?

Dopamine EP Impurity A has the molecular formula C9H14ClNO2 and a molecular weight of 203.66 g/mol.

What is Dopamine EP Impurity A used for?

Dopamine EP Impurity A is supplied as a characterised reference material related to Dopamine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Dopamine EP Impurity A can I order?

We supply Dopamine EP Impurity A in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Dopamine EP Impurity A?

Yes. Every lot of Dopamine EP Impurity A is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Dopamine EP Impurity A be shipped internationally?

Yes. Dopamine EP Impurity A is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.