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API Impurities

(-) Corey Lactone

Reference StandardAvailable on request

(-) Corey Lactone (CAS 32233-40-2) supplier Zemixal: C8H12O4, COA and SDS with every lot, worldwide shipping. Part of our API Impurities range.

Pack sizes
(-) Corey Lactone chemical structure
CAS number32233-40-2
FormulaC8H12O4
Molar mass172.18 g/mol
Physical formSolid
HS code38229090
InChIKeyVYTZWRCSPHQSFX-GBNDHIKLSA-N
IUPAC name(3aR,4S,5R,6aS)-5-hydroxy-4-(hydroxymethyl)-3,3a,4,5,6,6a-hexahydrocyclopenta[b]furan-2-one

About (-) Corey Lactone

Analytical teams working on Iloprost use (-) Corey Lactone as a qualified comparison standard. Key data (Reference Standard): CAS 32233-40-2, formula C8H12O4 and molar mass 172.18 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Storage and safety notes

It carries the GHS signal word Danger (H302, H312, H318 and H332), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Iloprost

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

Iloprost standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of (-) Corey Lactone
Product name(-) Corey Lactone
Catalogue numberZX-029908
CAS number32233-40-2
IUPAC name(3aR,4S,5R,6aS)-5-hydroxy-4-(hydroxymethyl)-3,3a,4,5,6,6a-hexahydrocyclopenta[b]furan-2-one
Molecular formulaC8H12O4
Molar mass172.18 g/mol
Exact mass172.0736
GradeReference Standard
Physical formSolid
XLogP3-0.2
H-bond donors / acceptors2 / 4
Topological polar surface area66.8 Ų
HS code38229090
InChIKeyVYTZWRCSPHQSFX-GBNDHIKLSA-N
SMILESC1[C@H]([C@@H]([C@@H]2[C@H]1OC(=O)C2)CO)O
PubChem CID2724453
Synonyms(-)-Corey Lactone Diol, (-)-Corey's lactone diol, (3aR,4S,5R,6aS)-hexahydro-5-hydroxy-4-(hydroxymethyl)-2H-cyclopenta[b]furan-2-one, (3aR,4S,5R,6aS)-(-)-Hexahydro-5-hydroxy-4-(hydroxymethyl)-2H-cyclopenta[b]furan-2-one, (3aR,4S,5R,6aS)-(-)-Hexahydro-5-hydroxy-4-(hydroxymethyl)-2H-cyclopenta(b)furan-2-one, (3aR,4S,5R,6aS)-Hexahydro-5-hydroxy-4-(hydroxymethyl)-2H-cyclopenta(b)furan-2-one, (3aR,4S,5R,6aS)-5-Hydroxy-4-(hydroxymethyl)hexahydro-2H-cyclopenta[b]furan-2-one, Corey lactone Diol, rel-Corey lactone diol, Corey lactone diol, (-)-, rel-(3aR,4S,5R,6aS)-Hexahydro-5-hydroxy-4-(hydroxymethyl)-2H-cyclopenta[b]furan-2-one, (1S,6S,5R,7R)-7-hydroxy-6-(hydroxymethyl)-2-oxabicyclo[3.3.0]octan-3-one

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

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H318Causes serious eye damage
  • H332Harmful if inhaled

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P321, P330, P362 + P364, 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 (-) Corey Lactone
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 (-) Corey Lactone

Which CAS number identifies (-) Corey Lactone?
(-) Corey Lactone is registered under CAS 32233-40-2. You may also see it listed as (-)-Corey Lactone Diol, (-)-Corey's lactone diol, (3aR,4S,5R,6aS)-hexahydro-5-hydroxy-4-(hydroxymethyl)-2H-cyclopenta[b]furan-2-one. Our catalogue number for this item is ZX-029908.
What are the formula and molar mass of (-) Corey Lactone?
For (-) Corey Lactone, its formula is C8H12O4 and its molar mass is 172.18 g/mol. The systematic (IUPAC) name is (3aR,4S,5R,6aS)-5-hydroxy-4-(hydroxymethyl)-3,3a,4,5,6,6a-hexahydrocyclopenta[b]furan-2-one. InChIKey VYTZWRCSPHQSFX-GBNDHIKLSA-N lets you match it in any structure database.
How is (-) Corey Lactone used in pharmaceutical QC?
(-) Corey Lactone is a characterised reference material linked to Iloprost. 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 (-) Corey Lactone?
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 (-) Corey Lactone?
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 (-) Corey Lactone to my country?
Yes. Because (-) Corey Lactone 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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