3-(2-Thienyl)-L-alanine

Name: 3-(2-Thienyl)-L-alanine
Brand: Vaqora Chemicals
SKU: VQ-032568

About 3-(2-Thienyl)-L-alanine

Listed under CAS 22951-96-8, 3-(2-Thienyl)-L-alanine is an API impurity reference standard available from Vaqora Chemicals. Formula C7H9NO2S, molecular weight 171.22 g/mol. The IUPAC name is (2S)-2-amino-3-thiophen-2-ylpropanoic acid. Alternative names: L-3-(2-Thienyl)alanine and beta-2-thienyl-l-alanine.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of the parent drug substance, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 3-(2-Thienyl)-L-alanine in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product name	3-(2-Thienyl)-L-alanine
Catalogue No.	VQ-032568
CAS Number	22951-96-8
IUPAC name	(2S)-2-amino-3-thiophen-2-ylpropanoic acid
Molecular formula	C₇H₉NO₂S
Molecular weight	171.22 g/mol
Exact mass	171.0354
Grade	Reference Standard
HSN code	38229090
InChIKey	WTOFYLAWDLQMBZ-LURJTMIESA-N
SMILES	C1=CSC(=C1)C[C@@H](C(=O)O)N
PubChem CID	146719

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.7
H-bond donors / acceptors	2 / 4
TPSA	91.6 Å²
Synonyms	L-3-(2-Thienyl)alanine, beta-2-thienyl-l-alanine, beta-(2-THIENYL)-L-ALANINE, 2-Thiophenepropanoic acid, alpha-amino-, (alphaS)-, (2S)-2-amino-3-(thiophen-2-yl)propanoic acid, 2-THI, 3-Thiophenepropanoic acid, alpha-amino-, 3-(2-Thienyl)alanine, (S)-2-amino-3-(thiophen-2-yl)propanoic acid, L-2-Thienylalanine, H-3-(2-Thienyl)-Ala-OH, (2S)-2-amino-3-(2-thienyl)propanoic acid

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-(2-Thienyl)-L-alanine?

The CAS Registry Number of 3-(2-Thienyl)-L-alanine is 22951-96-8. It is also known as L-3-(2-Thienyl)alanine, beta-2-thienyl-l-alanine, beta-(2-THIENYL)-L-ALANINE.

What is the molecular formula and molecular weight of 3-(2-Thienyl)-L-alanine?

3-(2-Thienyl)-L-alanine has the molecular formula C7H9NO2S and a molecular weight of 171.22 g/mol. Its IUPAC name is (2S)-2-amino-3-thiophen-2-ylpropanoic acid.

Which grade and pack sizes of 3-(2-Thienyl)-L-alanine can I order?

We supply 3-(2-Thienyl)-L-alanine 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 3-(2-Thienyl)-L-alanine?

Yes. Every lot of 3-(2-Thienyl)-L-alanine 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-(2-Thienyl)-L-alanine be shipped internationally?

Yes. 3-(2-Thienyl)-L-alanine 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.