Erythro-β,3-Dihydroxy-DL-tyrosine

Name: Erythro-β,3-Dihydroxy-DL-tyrosine
Brand: Zemixal
SKU: ZX-024397

Reference StandardAvailable on request

Buy Erythro-β,3-Dihydroxy-DL-tyrosine (CAS 16322-99-9) from Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes

Erythro-β,3-Dihydroxy-DL-tyrosine chemical structure

CAS number16322-99-9

FormulaC₉H₁₁NO₅

Molar mass213.19 g/mol

Physical formSolid

HS code38229090

InChIKeyQXWYKJLNLSIPIN-YUMQZZPRSA-N

IUPAC name(2S,3S)-2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid

About Erythro-β,3-Dihydroxy-DL-tyrosine

Erythro-β,3-Dihydroxy-DL-tyrosine is supplied by Zemixal as a characterised reference material for Droxidopa analysis. Identity at a glance (Reference Standard): CAS 16322-99-9, formula C9H11NO5 and molar mass 213.19 g/mol. It is handled as a solid.

Where it is used

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

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

Reference standards for Droxidopa

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

Droxidopa standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Erythro-β,3-Dihydroxy-DL-tyrosine
Product name	Erythro-β,3-Dihydroxy-DL-tyrosine
Catalogue number	ZX-024397
CAS number	16322-99-9
IUPAC name	(2S,3S)-2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid
Molecular formula	C₉H₁₁NO₅
Molar mass	213.19 g/mol
Exact mass	213.0637
Grade	Reference Standard
Physical form	Solid
XLogP3	-3.2
H-bond donors / acceptors	5 / 6
Topological polar surface area	124 Å²
HS code	38229090
InChIKey	QXWYKJLNLSIPIN-YUMQZZPRSA-N
SMILES	C1=CC(=C(C=C1[C@@H]([C@@H](C(=O)O)N)O)O)O
PubChem CID	6999030
Synonyms	DL-erythro-3-(3,4-Dihydroxyphenyl)serine, Droxidopa Erythro Isomer, Erythro-beta,3-dihydroxy-DL-tyrosine, erythro-beta,3-Dihydroxy-L-tyrosine, DL-erythro-Droxidopa

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Erythro-β,3-Dihydroxy-DL-tyrosine
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Erythro-β,3-Dihydroxy-DL-tyrosine

Which CAS number identifies Erythro-β,3-Dihydroxy-DL-tyrosine?

Erythro-β,3-Dihydroxy-DL-tyrosine is registered under CAS 16322-99-9. You may also see it listed as DL-erythro-3-(3,4-Dihydroxyphenyl)serine, Droxidopa Erythro Isomer, Erythro-beta,3-dihydroxy-DL-tyrosine. Our catalogue number for this item is ZX-024397.

What are the formula and molar mass of Erythro-β,3-Dihydroxy-DL-tyrosine?

For Erythro-β,3-Dihydroxy-DL-tyrosine, its formula is C9H11NO5 and its molar mass is 213.19 g/mol. The systematic (IUPAC) name is (2S,3S)-2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid. InChIKey QXWYKJLNLSIPIN-YUMQZZPRSA-N lets you match it in any structure database.

How is Erythro-β,3-Dihydroxy-DL-tyrosine used in pharmaceutical QC?

Erythro-β,3-Dihydroxy-DL-tyrosine is a characterised reference material linked to Droxidopa. 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 Erythro-β,3-Dihydroxy-DL-tyrosine?

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 Erythro-β,3-Dihydroxy-DL-tyrosine?

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 Erythro-β,3-Dihydroxy-DL-tyrosine to my country?

Yes. Erythro-β,3-Dihydroxy-DL-tyrosine ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

More Droxidopa standards

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list