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Pharmacopeial Impurities (EP / USP / BP)

Fulvestrant EP Impurity B

Reference StandardAvailable on request

Fulvestrant EP Impurity B (CAS 98008-06-1) supplier Zemixal: C32H47F5O4S, COA and SDS with every lot, worldwide shipping.

Pack sizes
Fulvestrant EP Impurity B chemical structure
CAS number98008-06-1
FormulaC32H47F5O4S
Molar mass622.8 g/mol
Physical formSolid
HS code38229090
InChIKeyNQYWBGDKCPOMGL-LSVBPWPTSA-N
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

About Fulvestrant EP Impurity B

Fulvestrant EP Impurity B belongs to the Fulvestrant reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 98008-06-1, formula C32H47F5O4S and molar mass 622.8 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Storage and safety notes

It carries the GHS signal word Danger (H360, H362 and H410), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Fulvestrant

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

Fulvestrant standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Fulvestrant EP Impurity B
Product nameFulvestrant EP Impurity B
Catalogue numberZX-020286
CAS number98008-06-1
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 formulaC32H47F5O4S
Molar mass622.8 g/mol
Exact mass622.3115
GradeReference Standard
Physical formSolid
XLogP39.6
H-bond donors / acceptors2 / 9
Topological polar surface area83 Ų
HS code38229090
InChIKeyNQYWBGDKCPOMGL-LSVBPWPTSA-N
SMILESC[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 CID10461567
SynonymsFulvestrant 9-Sulfone, Fulvestrant sulfone, Fulvestrant-9-Sulfone, Fulvestrant - Impurity B

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

Safety and GHS hazards

GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • 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 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 Fulvestrant EP Impurity B
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about Fulvestrant EP Impurity B

Which CAS number identifies Fulvestrant EP Impurity B?
Fulvestrant EP Impurity B is registered under CAS 98008-06-1. You may also see it listed as Fulvestrant 9-Sulfone, Fulvestrant sulfone, Fulvestrant-9-Sulfone. Our catalogue number for this item is ZX-020286.
What are the formula and molar mass of Fulvestrant EP Impurity B?
For Fulvestrant EP Impurity B, its formula is C32H47F5O4S and its molar mass is 622.8 g/mol. The systematic (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. InChIKey NQYWBGDKCPOMGL-LSVBPWPTSA-N lets you match it in any structure database.
How is Fulvestrant EP Impurity B used in pharmaceutical QC?
Fulvestrant EP Impurity B 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 Fulvestrant EP Impurity B?
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 Fulvestrant EP Impurity B?
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 Fulvestrant EP Impurity B to my country?
Yes. Because Fulvestrant EP Impurity B 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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