Tibolone EP Impurity E

About Tibolone EP Impurity E

Tibolone EP Impurity E is a pharmacopeial impurity of Tibolone carrying the CAS registry number 105186-33-2. With the molecular formula C23H34O3, it has a molar mass of 358.5 g/mol. It is also known as Tibolone 3-Dimethyl Ketal or Tibolone - Impurity E.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Tibolone, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Tibolone EP Impurity E is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Tibolone

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

Tibolone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Tibolone EP Impurity E
Catalogue No.	VQ-023890
CAS Number	105186-33-2
IUPAC name	(7R,8R,9S,13S,14S,17R)-17-ethynyl-3,3-dimethoxy-7,13-dimethyl-1,2,4,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol
Molecular formula	C₂₃H₃₄O₃
Molecular weight	358.5 g/mol
Exact mass	358.2508
Grade	Reference Standard
HSN code	38229090
InChIKey	UELCQPZSOLYWMG-LADQHVHVSA-N
SMILES	C[C@@H]1CC2=C(CCC(C2)(OC)OC)[C@@H]3[C@@H]1[C@@H]4CC[C@]([C@]4(CC3)C)(C#C)O
PubChem CID	71752566

Physical properties
Physical form	Solid
LogP (XLogP3)	3
H-bond donors / acceptors	1 / 3
TPSA	38.7 Å²

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 Tibolone EP Impurity E?

The CAS Registry Number of Tibolone EP Impurity E is 105186-33-2. It is also known as Tibolone 3-Dimethyl Ketal, Tibolone - Impurity E, 3,3-Dimethoxy-7alpha-methyl-17alpha-19-norpregn-5(10)-en-20-yn-17-ol.

What is the molecular formula and molecular weight of Tibolone EP Impurity E?

Tibolone EP Impurity E has the molecular formula C23H34O3 and a molecular weight of 358.5 g/mol. Its IUPAC name is (7R,8R,9S,13S,14S,17R)-17-ethynyl-3,3-dimethoxy-7,13-dimethyl-1,2,4,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-ol.

What is Tibolone EP Impurity E used for?

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

We supply Tibolone EP Impurity E 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 Tibolone EP Impurity E?

Yes. Every lot of Tibolone EP Impurity E 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 Tibolone EP Impurity E be shipped internationally?

Yes. We export Tibolone EP Impurity E worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.