Terephthalic-d4 acid

Name: Terephthalic-d4 acid
Brand: Vaqora Chemicals
SKU: VQ-042445

About Terephthalic-d4 acid

Terephthalic-d4 acid (CAS 60088-54-2) is a stable isotope labelled analogue related to Terephthalic acid offered by Vaqora Chemicals. The compound has the formula C8H6O4, corresponding to a molecular weight of 170.15 g/mol. Its systematic (IUPAC) name is 2,3,5,6-tetradeuterioterephthalic acid. Common synonyms include Terephthalic-2,3,5,6-D4 Acid and (2,3,5,6-2H4)Terephthalic acid.

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

Its mass shift relative to the unlabelled analyte makes it a dependable internal standard for LC-MS/MS assays, improving accuracy in bioanalysis, therapeutic drug monitoring and method validation. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Terephthalic-d4 acid in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Terephthalic acid

View every impurity, metabolite and intermediate we list for Terephthalic acid.

Terephthalic acid impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Terephthalic-d4 acid
Catalogue No.	VQ-042445
CAS Number	60088-54-2
IUPAC name	2,3,5,6-tetradeuterioterephthalic acid
Molecular formula	C₈H₆O₄
Molecular weight	170.15 g/mol
Exact mass	170.0517
Grade	Reference Standard
HSN code	38229090
InChIKey	KKEYFWRCBNTPAC-RHQRLBAQSA-N
SMILES	[2H]C1=C(C(=C(C(=C1C(=O)O)[2H])[2H])C(=O)O)[2H]
PubChem CID	108885

Physical properties
Physical form	Solid
LogP (XLogP3)	2
H-bond donors / acceptors	2 / 4
TPSA	74.6 Å²
Synonyms	Terephthalic-2,3,5,6-D4 Acid, (2,3,5,6-2H4)Terephthalic acid, Terephthalic acid-d4, 1,4-Benzene-d4-dicarboxylic acid, terephthalic-d4, TMIJ-0427, (~2~H_4_)Benzene-1,4-dicarboxylic 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

Other grades of CAS 60088-54-2

Spectroscopy / NMR

Terephthalic -d4-Acid, for spectroscopy, for NMR

CAS: 60088-54-2
Formula: C₈H₆O₄
MW: 170.15 g/mol

VQ-020323

Frequently asked questions

What is the CAS number of Terephthalic-d4 acid?

The CAS Registry Number of Terephthalic-d4 acid is 60088-54-2. It is also known as Terephthalic-2,3,5,6-D4 Acid, (2,3,5,6-2H4)Terephthalic acid, Terephthalic acid-d4.

What is the molecular formula and molecular weight of Terephthalic-d4 acid?

Terephthalic-d4 acid has the molecular formula C8H6O4 and a molecular weight of 170.15 g/mol. Its IUPAC name is 2,3,5,6-tetradeuterioterephthalic acid.

What is Terephthalic-d4 acid used for?

Terephthalic-d4 acid is supplied as a characterised reference material related to Terephthalic acid. 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 Terephthalic-d4 acid can I order?

We supply Terephthalic-d4 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 Terephthalic-d4 acid?

Yes. Every lot of Terephthalic-d4 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 Terephthalic-d4 acid be shipped internationally?

Yes. Terephthalic-d4 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.