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Metabolites & Degradation Products

18-Hydroxy Corticosterone

Reference StandardAvailable on request

Order 18-Hydroxy Corticosterone (CAS 561-65-9) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-042729.

Pack sizes
18-Hydroxy Corticosterone chemical structure
CAS number561-65-9
FormulaC21H30O5
Molar mass362.5 g/mol
Physical formSolid
HS code38229090
InChIKeyHFSXHZZDNDGLQN-ZVIOFETBSA-N
IUPAC name(8S,9S,10R,11S,13R,14S,17S)-11-hydroxy-17-(2-hydroxyacetyl)-13-(hydroxymethyl)-10-methyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one

About 18-Hydroxy Corticosterone

Analytical teams working on Aldosterone use 18-Hydroxy Corticosterone as a qualified comparison standard. Key data (Reference Standard): CAS 561-65-9, formula C21H30O5 and molar mass 362.5 g/mol. It is handled as a solid.

Use cases we see most often

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Handling and storage

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes 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 Aldosterone

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

Aldosterone standards

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 18-Hydroxy Corticosterone
Product name18-Hydroxy Corticosterone
Catalogue numberZX-042729
CAS number561-65-9
IUPAC name(8S,9S,10R,11S,13R,14S,17S)-11-hydroxy-17-(2-hydroxyacetyl)-13-(hydroxymethyl)-10-methyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
Molecular formulaC21H30O5
Molar mass362.5 g/mol
Exact mass362.2093
GradeReference Standard
Physical formSolid
XLogP30.7
H-bond donors / acceptors3 / 5
Topological polar surface area94.8 Ų
HS code38229090
InChIKeyHFSXHZZDNDGLQN-ZVIOFETBSA-N
SMILESC[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2[C@H](C[C@]4([C@H]3CC[C@@H]4C(=O)CO)CO)O
PubChem CID11222
Synonyms11beta,18,21-trihydroxy-pregn-4-ene-3,20-dione, Pregn-4-ene-3,20-dione, 11,18,21-trihydroxy-, (11beta)-, 18-Hydrocorticosterone, Hydroxycorticosterone, 18, 11beta,18,21-Trihydroxypregn-4-ene-3,20-dione, Pregn-4-ene-3,20-dione, 11,18,21-trihydroxy-, (11.beta.)-, 11b,18,21-trihydroxy-pregn-4-ene-3,20-dione

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

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 18-Hydroxy Corticosterone
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 18-Hydroxy Corticosterone

Which CAS number identifies 18-Hydroxy Corticosterone?
18-Hydroxy Corticosterone is registered under CAS 561-65-9. You may also see it listed as 11beta,18,21-trihydroxy-pregn-4-ene-3,20-dione, Pregn-4-ene-3,20-dione, 11,18,21-trihydroxy-, (11beta)-, 18-Hydrocorticosterone. Our catalogue number for this item is ZX-042729.
What are the formula and molar mass of 18-Hydroxy Corticosterone?
For 18-Hydroxy Corticosterone, its formula is C21H30O5 and its molar mass is 362.5 g/mol. InChIKey HFSXHZZDNDGLQN-ZVIOFETBSA-N lets you match it in any structure database.
How is 18-Hydroxy Corticosterone used in pharmaceutical QC?
18-Hydroxy Corticosterone is a characterised reference material linked to Aldosterone. 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 18-Hydroxy Corticosterone?
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 18-Hydroxy Corticosterone?
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 18-Hydroxy Corticosterone to my country?
Yes. Because 18-Hydroxy Corticosterone 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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