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Pharmacopeial Impurities (EP / USP / BP)

Lynestrenol EP Impurity B

Reference StandardAvailable on request

Lynestrenol EP Impurity B (CAS 58311-09-4) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-033793.

Pack sizes
Lynestrenol EP Impurity B chemical structure
CAS number58311-09-4
FormulaC20H28O
Molar mass284.4 g/mol
Physical formSolid
HS code38229090
InChIKeyYNVGQYHLRCDXFQ-JBKQDOAHSA-N
IUPAC name(8R,9S,10R,13S,14S,17S)-17-ethynyl-13-methyl-2,3,6,7,8,9,10,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol

About Lynestrenol EP Impurity B

Analytical teams working on Lynestrenol use Lynestrenol EP Impurity B as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 58311-09-4, formula C20H28O and molar mass 284.4 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

Safe handling

It carries the GHS signal word Danger (H302, H341 and H351), 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. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Lynestrenol

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

Lynestrenol standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Lynestrenol EP Impurity B
Product nameLynestrenol EP Impurity B
Catalogue numberZX-033793
CAS number58311-09-4
IUPAC name(8R,9S,10R,13S,14S,17S)-17-ethynyl-13-methyl-2,3,6,7,8,9,10,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol
Molecular formulaC20H28O
Molar mass284.4 g/mol
Exact mass284.214
GradeReference Standard
Physical formSolid
XLogP34.5
H-bond donors / acceptors1 / 1
Topological polar surface area20.2 Ų
HS code38229090
InChIKeyYNVGQYHLRCDXFQ-JBKQDOAHSA-N
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@]2(C#C)O)CCC4=CCCC[C@H]34
PubChem CID5284486
SynonymsLynestrenol - Impurity B, 19-Norpregn-4-en-20-yn-17-ol, Lynestrenol impurity B, 17-Epi Lynestrenol, 19-Norpregn-4-en-20-yn-17-ol, (17alpha)-, (17alpha)-17-ethynylestr-4-en-17-ol

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H302Harmful if swallowed
  • H341Suspected of causing genetic defects
  • H351Suspected of causing cancer

Precautionary statements P203, P264, P270, P280, P301 + P317, P318, P330, 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 Lynestrenol 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 Lynestrenol EP Impurity B

Which CAS number identifies Lynestrenol EP Impurity B?
Lynestrenol EP Impurity B is registered under CAS 58311-09-4. You may also see it listed as Lynestrenol - Impurity B, 19-Norpregn-4-en-20-yn-17-ol, Lynestrenol impurity B. Our catalogue number for this item is ZX-033793.
What are the formula and molar mass of Lynestrenol EP Impurity B?
For Lynestrenol EP Impurity B, its formula is C20H28O and its molar mass is 284.4 g/mol. The systematic (IUPAC) name is (8R,9S,10R,13S,14S,17S)-17-ethynyl-13-methyl-2,3,6,7,8,9,10,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol. InChIKey YNVGQYHLRCDXFQ-JBKQDOAHSA-N lets you match it in any structure database.
How is Lynestrenol EP Impurity B used in pharmaceutical QC?
Lynestrenol EP Impurity B is a characterised reference material linked to Lynestrenol. 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 Lynestrenol 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 Lynestrenol 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 Lynestrenol EP Impurity B to my country?
Yes. Because Lynestrenol 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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