Dimethyl Phthalate-3,4,5,6 D4

Name: Dimethyl Phthalate-3,4,5,6 D4
Brand: Vaqora Chemicals
SKU: VQ-041214

About Dimethyl Phthalate-3,4,5,6 D4

Vaqora Chemicals supplies Dimethyl Phthalate-3,4,5,6 D4, a stable isotope labelled standard registered under CAS number 93951-89-4. The compound has the formula C10H10O4, corresponding to a molecular weight of 198.21 g/mol. Systematically, it is named dimethyl 3,4,5,6-tetradeuteriobenzene-1,2-dicarboxylate. It is also known as Dimethyl phthalate-d4 or Phthalic acid, bis-methyl ester D4.

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. Good laboratory practice and suitable PPE are recommended during handling.

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. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Dimethyl Phthalate-3,4,5,6 D4 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

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Dimethyl Phthalate-3,4,5,6 D4
Catalogue No.	VQ-041214
CAS Number	93951-89-4
IUPAC name	dimethyl 3,4,5,6-tetradeuteriobenzene-1,2-dicarboxylate
Molecular formula	C₁₀H₁₀O₄
Molecular weight	198.21 g/mol
Exact mass	198.083
Grade	Reference Standard
HSN code	38229090
InChIKey	NIQCNGHVCWTJSM-LNFUJOGGSA-N
SMILES	[2H]C1=C(C(=C(C(=C1[2H])C(=O)OC)C(=O)OC)[2H])[2H]
PubChem CID	45052096

Physical properties
Physical form	Solid
LogP (XLogP3)	1.6
H-bond donors / acceptors	0 / 4
TPSA	52.6 Å²

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 Dimethyl Phthalate-3,4,5,6 D4?

The CAS Registry Number of Dimethyl Phthalate-3,4,5,6 D4 is 93951-89-4. It is also known as Dimethyl phthalate-d4, Phthalic acid, bis-methyl ester D4, d4-dimethyl phthalate.

What is the molecular formula and molecular weight of Dimethyl Phthalate-3,4,5,6 D4?

Dimethyl Phthalate-3,4,5,6 D4 has the molecular formula C10H10O4 and a molecular weight of 198.21 g/mol. Its IUPAC name is dimethyl 3,4,5,6-tetradeuteriobenzene-1,2-dicarboxylate.

Which grade and pack sizes of Dimethyl Phthalate-3,4,5,6 D4 can I order?

We supply Dimethyl Phthalate-3,4,5,6 D4 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 Dimethyl Phthalate-3,4,5,6 D4?

Yes. Every lot of Dimethyl Phthalate-3,4,5,6 D4 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 Dimethyl Phthalate-3,4,5,6 D4 be shipped internationally?

Yes. We export Dimethyl Phthalate-3,4,5,6 D4 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.