17-Keto Fulvestrant

Name: 17-Keto Fulvestrant
Brand: Zemixal
SKU: ZX-021754

Reference StandardAvailable on request

Buy 17-Keto Fulvestrant (CAS 403656-89-3) from Zemixal: C32H45F5O3S, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-021754.

Pack sizes

CAS number403656-89-3

FormulaC₃₂H₄₅F₅O₃S

Molar mass604.8 g/mol

Physical formSolid

HS code38229090

InChIKeyKQDQOVMMZCHGQS-YCCWCITDSA-N

IUPAC name(7R,8R,9S,13S,14S)-3-hydroxy-13-methyl-7-[9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl]-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one

About 17-Keto Fulvestrant

Zemixal lists 17-Keto Fulvestrant for laboratories that identify, quantify or control Fulvestrant and its related substances. For your records (Reference Standard), the material is defined by CAS 403656-89-3, formula C32H45F5O3S and molar mass 604.8 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

Storage and safety notes

It carries the GHS signal word Warning (H361), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

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 17-Keto Fulvestrant
Product name	17-Keto Fulvestrant
Catalogue number	ZX-021754
CAS number	403656-89-3
IUPAC name	(7R,8R,9S,13S,14S)-3-hydroxy-13-methyl-7-[9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl]-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one
Molecular formula	C₃₂H₄₅F₅O₃S
Molar mass	604.8 g/mol
Exact mass	604.301
Grade	Reference Standard
Physical form	Solid
XLogP3	8.3
H-bond donors / acceptors	1 / 9
Topological polar surface area	73.6 Å²
HS code	38229090
InChIKey	KQDQOVMMZCHGQS-YCCWCITDSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)[C@@H](CC4=C3C=CC(=C4)O)CCCCCCCCCS(=O)CCCC(C(F)(F)F)(F)F
PubChem CID	11767210
Synonyms	Fulvestrant 17-Ketone

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 Warning

H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, 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 17-Keto 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 17-Keto Fulvestrant

Which CAS number identifies 17-Keto Fulvestrant?

17-Keto Fulvestrant is registered under CAS 403656-89-3. You may also see it listed as Fulvestrant 17-Ketone. Our catalogue number for this item is ZX-021754.

What are the formula and molar mass of 17-Keto Fulvestrant?

For 17-Keto Fulvestrant, its formula is C32H45F5O3S and its molar mass is 604.8 g/mol. The systematic (IUPAC) name is (7R,8R,9S,13S,14S)-3-hydroxy-13-methyl-7-[9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl]-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one. InChIKey KQDQOVMMZCHGQS-YCCWCITDSA-N lets you match it in any structure database.

How is 17-Keto Fulvestrant used in pharmaceutical QC?

17-Keto 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 17-Keto 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 17-Keto 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 17-Keto Fulvestrant to my country?

Yes. Because 17-Keto 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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