3-O-Methyl Fulvestrant

Name: 3-O-Methyl Fulvestrant
Brand: Zemixal
SKU: ZX-044829

Reference StandardAvailable on request

3-O-Methyl Fulvestrant (CAS 1221256-46-7) supplier Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.

Pack sizes

3-O-Methyl Fulvestrant chemical structure

CAS number1221256-46-7

FormulaC₃₃H₄₉F₅O₃S

Molar mass620.8 g/mol

Physical formSolid

HS code38229090

InChIKeyQRQZOWKZNIIWRQ-VNXSLSSRSA-N

IUPAC name(7R,8R,9S,13S,14S,17S)-3-methoxy-13-methyl-7-[9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl]-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-ol

About 3-O-Methyl Fulvestrant

3-O-Methyl Fulvestrant belongs to the Fulvestrant reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 1221256-46-7, formula C33H49F5O3S and molar mass 620.8 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

Safe handling

Classified under GHS with signal word Danger and hazard statements H360, H362 and H413. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Fulvestrant

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

Fulvestrant 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 3-O-Methyl Fulvestrant
Product name	3-O-Methyl Fulvestrant
Catalogue number	ZX-044829
CAS number	1221256-46-7
IUPAC name	(7R,8R,9S,13S,14S,17S)-3-methoxy-13-methyl-7-[9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl]-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-ol
Molecular formula	C₃₃H₄₉F₅O₃S
Molar mass	620.8 g/mol
Exact mass	620.3323
Grade	Reference Standard
Physical form	Solid
XLogP3	8.2
H-bond donors / acceptors	1 / 9
Topological polar surface area	65.7 Å²
HS code	38229090
InChIKey	QRQZOWKZNIIWRQ-VNXSLSSRSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)[C@@H](CC4=C3C=CC(=C4)OC)CCCCCCCCCS(=O)CCCC(C(F)(F)F)(F)F
PubChem CID	131668050

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

H360May damage fertility or the unborn child
H362May cause harm to breast-fed children
H413May cause long lasting harmful effects to aquatic life

Precautionary statements P203, P260, P263, P264, P270, P273, 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 3-O-Methyl Fulvestrant
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 3-O-Methyl Fulvestrant

Which CAS number identifies 3-O-Methyl Fulvestrant?

3-O-Methyl Fulvestrant is registered under CAS 1221256-46-7. Our catalogue number for this item is ZX-044829.

What are the formula and molar mass of 3-O-Methyl Fulvestrant?

For 3-O-Methyl Fulvestrant, its formula is C33H49F5O3S and its molar mass is 620.8 g/mol. The systematic (IUPAC) name is (7R,8R,9S,13S,14S,17S)-3-methoxy-13-methyl-7-[9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl]-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-ol. InChIKey QRQZOWKZNIIWRQ-VNXSLSSRSA-N lets you match it in any structure database.

How is 3-O-Methyl Fulvestrant used in pharmaceutical QC?

3-O-Methyl Fulvestrant is a characterised reference material linked to Fulvestrant. 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 3-O-Methyl Fulvestrant?

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 3-O-Methyl Fulvestrant?

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 3-O-Methyl Fulvestrant to my country?

Yes. Because 3-O-Methyl Fulvestrant 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.

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