Tienilic Acid

Name: Tienilic Acid
Brand: Vaqora Chemicals
SKU: VQ-042549

About Tienilic Acid

Vaqora Chemicals supplies Tienilic Acid, an API reference standard registered under CAS number 40180-04-9. Formula C13H8Cl2O4S, molecular weight 331.2 g/mol. Systematically, it is named 2-[2,3-dichloro-4-(thiophene-2-carbonyl)phenoxy]acetic acid. Alternative names: Thienylic acid and Acido tienilico.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a reference sample of the parent drug substance, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Tienilic Acid 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

Specifications & identifiers

Chemical identifiers
Product name	Tienilic Acid
Catalogue No.	VQ-042549
CAS Number	40180-04-9
IUPAC name	2-[2,3-dichloro-4-(thiophene-2-carbonyl)phenoxy]acetic acid
Molecular formula	C₁₃H₈Cl₂O₄S
Molecular weight	331.2 g/mol
Exact mass	329.952
Grade	Reference Standard
HSN code	38229090
InChIKey	AGHANLSBXUWXTB-UHFFFAOYSA-N
SMILES	C1=CSC(=C1)C(=O)C2=C(C(=C(C=C2)OCC(=O)O)Cl)Cl
PubChem CID	38409

Physical properties
Physical form	Solid
LogP (XLogP3)	4.1
H-bond donors / acceptors	1 / 5
TPSA	91.8 Å²
Synonyms	Thienylic acid, 2-(2,3-dichloro-4-(thiophene-2-carbonyl)phenoxy)acetic acid, Acido tienilico, Acide tienilique, Acidum tienilicum, ANP 3624, (2,3-Dichloro-4-(2-thenoyl)phenoxy)acetic acid, 4-(2-Thienylketo)-2,3-dichlorophenoxyacetic acid, [2,3-dichloro-4-(2-thienylcarbonyl)phenoxy]acetic acid, (2,3-Dichloro-4-(2-thiophenecarbonyl)phenoxy)acetic acid, (2,3-Dichloro-4-(2-thienylcarbonyl)phenoxy)acetic acid, 4-(2-Theonyl)-2,3-dichlorphenoxyessigsaeure

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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 Tienilic Acid?

The CAS Registry Number of Tienilic Acid is 40180-04-9. It is also known as Thienylic acid, 2-(2,3-dichloro-4-(thiophene-2-carbonyl)phenoxy)acetic acid, Acido tienilico.

What is the molecular formula and molecular weight of Tienilic Acid?

Tienilic Acid has the molecular formula C13H8Cl2O4S and a molecular weight of 331.2 g/mol. Its IUPAC name is 2-[2,3-dichloro-4-(thiophene-2-carbonyl)phenoxy]acetic acid.

Which grade and pack sizes of Tienilic Acid can I order?

We supply Tienilic Acid 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 Tienilic Acid?

Yes. Every lot of Tienilic Acid 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 Tienilic Acid be shipped internationally?

Yes. Tienilic Acid 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.