Fulvestrant EP Impurity B

Name: Fulvestrant EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-021231

About Fulvestrant EP Impurity B

Fulvestrant EP Impurity B (CAS 98008-06-1) is a pharmacopeial impurity of Fulvestrant offered by Vaqora Chemicals. Formula C32H47F5O4S, molecular weight 622.8 g/mol. Common synonyms include Fulvestrant 9-Sulfone and Fulvestrant sulfone.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

This Fulvestrant impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Fulvestrant EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Fulvestrant

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

Fulvestrant impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Fulvestrant EP Impurity B
Catalogue No.	VQ-021231
CAS Number	98008-06-1
IUPAC name	(7R,8R,9S,13S,14S,17S)-13-methyl-7-[9-(4,4,5,5,5-pentafluoropentylsulfonyl)nonyl]-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
Molecular formula	C₃₂H₄₇F₅O₄S
Molecular weight	622.8 g/mol
Exact mass	622.3115
Grade	Reference Standard
HSN code	38229090
InChIKey	NQYWBGDKCPOMGL-LSVBPWPTSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)[C@@H](CC4=C3C=CC(=C4)O)CCCCCCCCCS(=O)(=O)CCCC(C(F)(F)F)(F)F
PubChem CID	10461567

Physical properties
Physical form	Solid
LogP (XLogP3)	9.6
H-bond donors / acceptors	2 / 9
TPSA	83 Å²

Safety & hazard information (GHS)

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H360May damage fertility or the unborn child
H362May cause harm to breast-fed children
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P260, P263, P264, P270, P273, P280, P318, P391, 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 Fulvestrant EP Impurity B?

The CAS Registry Number of Fulvestrant EP Impurity B is 98008-06-1. It is also known as Fulvestrant 9-Sulfone, Fulvestrant sulfone, Fulvestrant-9-Sulfone.

What is the molecular formula and molecular weight of Fulvestrant EP Impurity B?

Fulvestrant EP Impurity B has the molecular formula C32H47F5O4S and a molecular weight of 622.8 g/mol. Its IUPAC name is (7R,8R,9S,13S,14S,17S)-13-methyl-7-[9-(4,4,5,5,5-pentafluoropentylsulfonyl)nonyl]-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol.

What is Fulvestrant EP Impurity B used for?

Fulvestrant EP Impurity B is supplied as a characterised reference material related to Fulvestrant. 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 Fulvestrant EP Impurity B can I order?

We supply Fulvestrant EP Impurity B 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 Fulvestrant EP Impurity B?

Yes. Every lot of Fulvestrant EP Impurity B 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 Fulvestrant EP Impurity B be shipped internationally?

Yes. Fulvestrant EP Impurity B 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.