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Metabolites & Degradation Products

2-Hydroxymethylene Ethisterone

Reference StandardAvailable on request

2-Hydroxymethylene Ethisterone (CAS 2787-02-2) supplier Zemixal: C22H28O3, COA and SDS with every lot, worldwide shipping.

Pack sizes
2-Hydroxymethylene Ethisterone chemical structure
CAS number2787-02-2
FormulaC22H28O3
Molar mass340.5 g/mol
Physical formSolid
HS code38229090
InChIKeyFYEOMZSZJFOTGQ-GXWGVVPNSA-N
IUPAC name(2Z,8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-2-(hydroxymethylidene)-10,13-dimethyl-1,6,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one

About 2-Hydroxymethylene Ethisterone

Analytical teams working on Ethisterone use 2-Hydroxymethylene Ethisterone as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 2787-02-2, formula C22H28O3 and molar mass 340.5 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Handling and storage

It carries the GHS signal word Danger (H351, H360, H362 and H412), 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. Each lot travels with 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 Ethisterone

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

Ethisterone standards

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 2-Hydroxymethylene Ethisterone
Product name2-Hydroxymethylene Ethisterone
Catalogue numberZX-042845
CAS number2787-02-2
IUPAC name(2Z,8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-2-(hydroxymethylidene)-10,13-dimethyl-1,6,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one
Molecular formulaC22H28O3
Molar mass340.5 g/mol
Exact mass340.2038
GradeReference Standard
Physical formSolid
XLogP33.9
H-bond donors / acceptors2 / 3
Topological polar surface area57.5 Ų
HS code38229090
InChIKeyFYEOMZSZJFOTGQ-GXWGVVPNSA-N
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=CC(=O)/C(=C\O)/C[C@]34C
PubChem CID3034680
Synonyms17alpha-Hydroxy-2-(hydroxymethylene)pregn-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

GHS08 Health hazard
Health hazard

Signal word Danger

  • H351Suspected of causing cancer
  • H360May damage fertility or the unborn child
  • H362May cause harm to breast-fed children
  • H412Harmful to aquatic life with long lasting effects

Precautionary statements P203, P260, P263, P264, P270, P273, 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 2-Hydroxymethylene Ethisterone
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 2-Hydroxymethylene Ethisterone

Which CAS number identifies 2-Hydroxymethylene Ethisterone?
2-Hydroxymethylene Ethisterone is registered under CAS 2787-02-2. You may also see it listed as 17alpha-Hydroxy-2-(hydroxymethylene)pregn-4-en-20-yn-3-one. Our catalogue number for this item is ZX-042845.
What are the formula and molar mass of 2-Hydroxymethylene Ethisterone?
For 2-Hydroxymethylene Ethisterone, its formula is C22H28O3 and its molar mass is 340.5 g/mol. The systematic (IUPAC) name is (2Z,8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-2-(hydroxymethylidene)-10,13-dimethyl-1,6,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-3-one. InChIKey FYEOMZSZJFOTGQ-GXWGVVPNSA-N lets you match it in any structure database.
How is 2-Hydroxymethylene Ethisterone used in pharmaceutical QC?
2-Hydroxymethylene Ethisterone is a characterised reference material linked to Ethisterone. 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 2-Hydroxymethylene Ethisterone?
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 2-Hydroxymethylene Ethisterone?
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 2-Hydroxymethylene Ethisterone to my country?
Yes. Because 2-Hydroxymethylene Ethisterone 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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