3,5-Dibromo-L-Tyrosine

Name: 3,5-Dibromo-L-Tyrosine
Brand: Vaqora Chemicals
SKU: VQ-048531

About 3,5-Dibromo-L-Tyrosine

Vaqora Chemicals supplies 3,5-Dibromo-L-Tyrosine, a process intermediate or related compound of Glatiramer registered under CAS number 300-38-9. The compound has the formula C9H9Br2NO3, corresponding to a molecular weight of 338.98 g/mol. Its systematic (IUPAC) name is (2S)-2-amino-3-(3,5-dibromo-4-hydroxyphenyl)propanoic acid. It is also known as Bromotiren or Dibromotyrosine.

The product is provided 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.

Process chemists and analysts use it when developing synthetic routes to Glatiramer, tracking process-related impurities and validating analytical methods. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 3,5-Dibromo-L-Tyrosine in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Glatiramer

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

Glatiramer impurities

Specifications & identifiers

Chemical identifiers
Product name	3,5-Dibromo-L-Tyrosine
Catalogue No.	VQ-048531
CAS Number	300-38-9
IUPAC name	(2S)-2-amino-3-(3,5-dibromo-4-hydroxyphenyl)propanoic acid
Molecular formula	C₉H₉Br₂NO₃
Molecular weight	338.98 g/mol
Exact mass	338.8929
HSN code	2933
InChIKey	COESHZUDRKCEPA-ZETCQYMHSA-N
SMILES	C1=C(C=C(C(=C1Br)O)Br)C[C@@H](C(=O)O)N
PubChem CID	67532

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.4
H-bond donors / acceptors	3 / 4
TPSA	83.6 Å²
Synonyms	Bromotiren, Dibromotyrosine, L-Tyrosine, 3,5-dibromo-, Tyrosine, 3,5-dibromo-, L-, beta-(3,5-Dibromo-4-hydroxyphenyl)alanine, H-Tyr(3,5-DiBr)-OH, (S)-2-amino-3-(3,5-dibromo-4-hydroxyphenyl)propanoic acid, H-3,5-Dibromo-Tyr-OH, L-3,5-Dibromotyrosine, .beta.-(3,5-Dibromo-4-hydroxyphenyl)alanine, 3,5-Dibromo-1-tyrosine

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 3,5-Dibromo-L-Tyrosine?

The CAS Registry Number of 3,5-Dibromo-L-Tyrosine is 300-38-9. It is also known as Bromotiren, Dibromotyrosine, L-Tyrosine, 3,5-dibromo-.

What is the molecular formula and molecular weight of 3,5-Dibromo-L-Tyrosine?

3,5-Dibromo-L-Tyrosine has the molecular formula C9H9Br2NO3 and a molecular weight of 338.98 g/mol. Its IUPAC name is (2S)-2-amino-3-(3,5-dibromo-4-hydroxyphenyl)propanoic acid.

What is 3,5-Dibromo-L-Tyrosine used for?

3,5-Dibromo-L-Tyrosine is supplied as a characterised reference material related to Glatiramer. 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 3,5-Dibromo-L-Tyrosine can I order?

We supply 3,5-Dibromo-L-Tyrosine, 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 3,5-Dibromo-L-Tyrosine?

Yes. Every lot of 3,5-Dibromo-L-Tyrosine 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 3,5-Dibromo-L-Tyrosine be shipped internationally?

Yes. 3,5-Dibromo-L-Tyrosine 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.