Sodium Equilin-2,4,16,16-d4 Sulfate (stabiliz… 285979-81-9

Name: Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w)
Brand: Vaqora Chemicals
SKU: VQ-048279

About Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w)

Listed under CAS 285979-81-9, Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w) is a stable isotope labelled analogue related to Equilin available from Vaqora Chemicals. Its molecular formula is C18H19NaO5S and its molecular weight is 374.4 g/mol. Alternative names: Equilin 3-Sulfate-d4 Sodium Salt.

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. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

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. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w) is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Equilin

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

Equilin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w)
Catalogue No.	VQ-048279
CAS Number	285979-81-9
IUPAC name	sodium [(9S,13S,14S)-2,4,16,16-tetradeuterio-13-methyl-17-oxo-6,9,11,12,14,15-hexahydrocyclopenta[a]phenanthren-3-yl] sulfate
Molecular formula	C₁₈H₁₉NaO₅S
Molecular weight	374.4 g/mol
Exact mass	374.1102
Grade	Reference Standard
HSN code	38229090
InChIKey	QTTMOCOWZLSYSV-HSWWYJIASA-M
SMILES	[2H]C1=CC2=C(CC=C3[C@@H]2CC[C@]4([C@H]3CC(C4=O)([2H])[2H])C)C(=C1OS(=O)(=O)[O-])[2H].[Na+]
PubChem CID	71316393

Physical properties
Physical form	Solid
H-bond donors / acceptors	0 / 5
TPSA	91.9 Å²

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H350May cause cancer

Precautionary statements: P203, P280, P318, 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 Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w)?

The CAS Registry Number of Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w) is 285979-81-9. It is also known as Equilin 3-Sulfate-d4 Sodium Salt, estra-1,3,5(10),7-tetraen-17-one-2,4,16,16-d4, 3-(sulfooxy)-, sodium salt, Estra-1,3,5(10),7-tetraen-17-one-2,4,16,16-d4, 3-(sulfooxy)-, sodium salt (9CI).

What is the molecular formula and molecular weight of Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w)?

Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w) has the molecular formula C18H19NaO5S and a molecular weight of 374.4 g/mol. Its IUPAC name is sodium [(9S,13S,14S)-2,4,16,16-tetradeuterio-13-methyl-17-oxo-6,9,11,12,14,15-hexahydrocyclopenta[a]phenanthren-3-yl] sulfate.

What is Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w) used for?

Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w) is supplied as a characterised reference material related to Equilin. 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 Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w) can I order?

We supply Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w) 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 Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w)?

Yes. Every lot of Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w) 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 Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w) be shipped internationally?

Yes. Sodium Equilin-2,4,16,16-d4 Sulfate (stabilized with TRIS, 50% w/w) 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.