Droxidopa

Name: Droxidopa
Brand: Vaqora Chemicals
SKU: VQ-025426

About Droxidopa

Droxidopa (CAS 23651-95-8) is a high-purity reference standard of Droxidopa offered by Vaqora Chemicals. Formula C9H11NO5, molecular weight 213.19 g/mol. Its systematic (IUPAC) name is (2S,3R)-2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid. It is also known as L-DOPS or threo-Dopaserine.

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. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Laboratories use this Droxidopa standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Droxidopa

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

Droxidopa impurities

Specifications & identifiers

Chemical identifiers
Product name	Droxidopa
Catalogue No.	VQ-025426
CAS Number	23651-95-8
IUPAC name	(2S,3R)-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-JGVFFNPUSA-N
SMILES	C1=CC(=C(C=C1[C@H]([C@@H](C(=O)O)N)O)O)O
PubChem CID	92974

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.2
H-bond donors / acceptors	5 / 6
TPSA	124 Å²
Synonyms	L-DOPS, threo-Dopaserine, L-threo-DOPS, L-Threodops, L-dihydroxyphenylserine, L-threo-dihydroxyphenylserine, L-Tyrosine, beta,3-dihydroxy-, threo-, threo DOPS, threo-DOPS, 3,4 threo DOPS, 3,4-threo-DOPS, 3,4 Dihydroxyphenylserine

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 Droxidopa?

The CAS Registry Number of Droxidopa is 23651-95-8. It is also known as L-DOPS, threo-Dopaserine, L-threo-DOPS.

What is the molecular formula and molecular weight of Droxidopa?

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

What is Droxidopa used for?

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 Droxidopa can I order?

We supply 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 Droxidopa?

Yes. Every lot of 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 Droxidopa be shipped internationally?

Yes. 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.