Estriol Impurity 2

Name: Estriol Impurity 2
Brand: Zemixal
SKU: ZX-029345

Reference StandardAvailable on request

Estriol Impurity 2 (CAS 1426679-35-7) supplier Zemixal: C25H30O4, COA and SDS with every lot, worldwide shipping. Exported from India with full paperwork.

Pack sizes

CAS number1426679-35-7

FormulaC₂₅H₃₀O₄

Molar mass394.5 g/mol

Physical formSolid

HS code38229090

InChIKeyNLYGQTXAMALBBN-BXWIXXPZSA-N

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

About Estriol Impurity 2

Estriol Impurity 2 is supplied by Zemixal as a characterised reference material for Estriol analysis. For your records (Reference Standard), the material is defined by CAS 1426679-35-7, formula C25H30O4 and molar mass 394.5 g/mol. It is handled as a solid.

Use cases we see most often

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

Storage and safety notes

Hazard communication follows GHS (Danger: H351 and H362). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Estriol

See every impurity, metabolite and related compound we list for this API.

Estriol standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Estriol Impurity 2
Product name	Estriol Impurity 2
Catalogue number	ZX-029345
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
Molar mass	394.5 g/mol
Exact mass	394.2144
Grade	Reference Standard
Physical form	Solid
XLogP3	3.3
H-bond donors / acceptors	3 / 4
Topological polar surface area	69.9 Å²
HS 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
Synonyms	3-O-Benzyl Estetrol

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Health hazard

Signal word Danger

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

Precautionary statements P203, P260, P263, P264, P270, P280, P318, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Estriol Impurity 2
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Estriol Impurity 2

Which CAS number identifies Estriol Impurity 2?

Estriol Impurity 2 is registered under CAS 1426679-35-7. You may also see it listed as 3-O-Benzyl Estetrol. Our catalogue number for this item is ZX-029345.

What are the formula and molar mass of Estriol Impurity 2?

For Estriol Impurity 2, its formula is C25H30O4 and its molar mass is 394.5 g/mol. The systematic (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. InChIKey NLYGQTXAMALBBN-BXWIXXPZSA-N lets you match it in any structure database.

How is Estriol Impurity 2 used in pharmaceutical QC?

Estriol Impurity 2 is a characterised reference material linked to Estriol. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Estriol Impurity 2?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Estriol Impurity 2?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Estriol Impurity 2 to my country?

Yes. Because Estriol Impurity 2 is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Estriol standards

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