Estriol Impurity 2

Name: Estriol Impurity 2
Brand: Vaqora Chemicals
SKU: VQ-030572

About Estriol Impurity 2

Vaqora Chemicals supplies Estriol Impurity 2, an impurity of Estriol registered under CAS number 1426679-35-7. The compound has the formula C25H30O4, corresponding to a molecular weight of 394.5 g/mol. Alternative names: 3-O-Benzyl Estetrol.

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 “Danger”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Estriol, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. 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, Estriol Impurity 2 is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Estriol

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

Estriol impurities

Specifications & identifiers

Chemical identifiers
Product name	Estriol Impurity 2
Catalogue No.	VQ-030572
CAS Number	1426679-35-7
IUPAC name	(8R,9S,13S,14S,15R,16R,17R)-13-methyl-3-phenylmethoxy-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-15,16,17-triol
Molecular formula	C₂₅H₃₀O₄
Molecular weight	394.5 g/mol
Exact mass	394.2144
Grade	Reference Standard
HSN code	38229090
InChIKey	NLYGQTXAMALBBN-BXWIXXPZSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1[C@H]([C@H]([C@@H]2O)O)O)CCC4=C3C=CC(=C4)OCC5=CC=CC=C5
PubChem CID	71509098

Physical properties
Physical form	Solid
LogP (XLogP3)	3.3
H-bond donors / acceptors	3 / 4
TPSA	69.9 Å²

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H351Suspected of causing cancer
H362May cause harm to breast-fed children

Precautionary statements: P203, P260, P263, P264, P270, 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 Estriol Impurity 2?

The CAS Registry Number of Estriol Impurity 2 is 1426679-35-7. It is also known as 3-O-Benzyl Estetrol.

What is the molecular formula and molecular weight of Estriol Impurity 2?

Estriol Impurity 2 has the molecular formula C25H30O4 and a molecular weight of 394.5 g/mol. Its IUPAC name is (8R,9S,13S,14S,15R,16R,17R)-13-methyl-3-phenylmethoxy-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-15,16,17-triol.

What is Estriol Impurity 2 used for?

Estriol Impurity 2 is supplied as a characterised reference material related to Estriol. 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 Estriol Impurity 2 can I order?

We supply Estriol Impurity 2 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 Estriol Impurity 2?

Yes. Every lot of Estriol Impurity 2 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 Estriol Impurity 2 be shipped internationally?

Yes. Estriol Impurity 2 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.