DXD Racemic Standard (Droxidopa)

About DXD Racemic Standard (Droxidopa)

DXD Racemic Standard (Droxidopa) is an impurity of Droxidopa carrying the CAS registry number 492-46-6. The compound has the formula C9H11NO5, corresponding to a molecular weight of 213.19 g/mol. The IUPAC name is 2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid. Alternative names: Droxidopa Racemic and dl-3,4-Dihydroxyphenylserine.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Droxidopa, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer DXD Racemic Standard (Droxidopa) in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Droxidopa

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

Droxidopa impurities

Specifications & identifiers

Chemical identifiers
Product name	DXD Racemic Standard (Droxidopa)
Catalogue No.	VQ-025430
CAS Number	492-46-6
IUPAC name	2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid
Molecular formula	C₉H₁₁NO₅
Molecular weight	213.19 g/mol
Exact mass	213.0637
Grade	Reference Standard
HSN code	38229090
InChIKey	QXWYKJLNLSIPIN-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1C(C(C(=O)O)N)O)O)O
PubChem CID	3171

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.2
H-bond donors / acceptors	5 / 6
TPSA	124 Å²
Synonyms	Droxidopa Racemic, dl-3,4-Dihydroxyphenylserine, beta,3-Dihydroxytyrosine, H-DL-beta-(3,4-Dihydroxyphenyl)-DL-Ser-OH, Dioxyphenylserin, Serine, 3-(3,4-dihydroxyphenyl)-, D-Threo-3,4-Dihydroxyphenylserine Hydrochloride, rel-(2R,3S)-2-Amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid, 2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxy-propanoic acid, threo-3,4-DIHYDROXY PHENYL SERINE, H-DL-b-(3,4-Dihydroxyphenyl)-DL-Ser-OH

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 DXD Racemic Standard (Droxidopa)?

The CAS Registry Number of DXD Racemic Standard (Droxidopa) is 492-46-6. It is also known as Droxidopa Racemic, dl-3,4-Dihydroxyphenylserine, beta,3-Dihydroxytyrosine.

What is the molecular formula and molecular weight of DXD Racemic Standard (Droxidopa)?

DXD Racemic Standard (Droxidopa) has the molecular formula C9H11NO5 and a molecular weight of 213.19 g/mol. Its IUPAC name is 2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid.

What is DXD Racemic Standard (Droxidopa) used for?

DXD Racemic Standard (Droxidopa) is supplied as a characterised reference material related to Droxidopa. 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 DXD Racemic Standard (Droxidopa) can I order?

We supply DXD Racemic Standard (Droxidopa) 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 DXD Racemic Standard (Droxidopa)?

Yes. Every lot of DXD Racemic Standard (Droxidopa) 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 DXD Racemic Standard (Droxidopa) be shipped internationally?

Yes. DXD Racemic Standard (Droxidopa) 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.