(8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

Name: (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
Brand: Zemixal
SKU: ZX-030262

Reference StandardAvailable on request

Buy (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one (CAS 178737-5…

Pack sizes

(8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one chemical structure

CAS number178737-52-5

FormulaC₂₁H₂₈O₂

Molar mass312.4 g/mol

Physical formSolid

HS code38229090

InChIKeyWWYNJERNGUHSAO-ZUHHCLADSA-N

IUPAC name(8R,9S,10R,13S,14S,17S)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one

About (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

Analytical teams working on Levonorgestrel use (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 178737-52-5, formula C21H28O2 and molar mass 312.4 g/mol. It is handled as a solid.

Common uses in the lab and plant

Metabolite identification
Stability-indicating methods
Impurity profiling

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. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Levonorgestrel

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

Levonorgestrel standards

Typical uses

Metabolite identification
Stability-indicating methods
Impurity profiling

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
Product name	(8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
Catalogue number	ZX-030262
CAS number	178737-52-5
IUPAC name	(8R,9S,10R,13S,14S,17S)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
Molecular formula	C₂₁H₂₈O₂
Molar mass	312.4 g/mol
Exact mass	312.2089
Grade	Reference Standard
Physical form	Solid
XLogP3	3.3
H-bond donors / acceptors	1 / 2
Topological polar surface area	37.3 Å²
HS code	38229090
InChIKey	WWYNJERNGUHSAO-ZUHHCLADSA-N
SMILES	CC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@]2(C#C)O)CCC4=CC(=O)CC[C@H]34
PubChem CID	12598302
Synonyms	18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, rel-(17alpha)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
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 (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one

Which CAS number identifies (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one?

(8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one is registered under CAS 178737-52-5. You may also see it listed as 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, rel-(17alpha)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one. Our catalogue number for this item is ZX-030262.

What are the formula and molar mass of (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one?

For (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one, its formula is C21H28O2 and its molar mass is 312.4 g/mol. The systematic (IUPAC) name is (8R,9S,10R,13S,14S,17S)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one. InChIKey WWYNJERNGUHSAO-ZUHHCLADSA-N lets you match it in any structure database.

How is (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one used in pharmaceutical QC?

(8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one is a characterised reference material linked to Levonorgestrel. 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 (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one?

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 (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one?

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 (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one to my country?

Yes. (8R,9S,10R,13S,14S,17S)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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MW: 326.5 g/mol

ZX-030259

Levonorgestrel EP Impurity Q

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Levonorgestrel EP Impurity P

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Formula: C₂₁H₂₈O₂
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Levonorgestrel EP Impurity I

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Levonorgestrel EP Impurity I

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MW: 328.4 g/mol

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