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(16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione

Reference StandardAvailable on request

(16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione (CAS 77017-20-0) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery.

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(16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione chemical structure
CAS number77017-20-0
FormulaC23H28O6
Molar mass400.5 g/mol
Physical formSolid
HS code38229090
InChIKeyLUROGHOZLOFASD-ZPDKUKPCSA-N
IUPAC name[2-[(8S,10S,13S,14S,16R,17S)-16,17-dihydroxy-10,13-dimethyl-3-oxo-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate

About (16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione

(16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione belongs to the Budesonide reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 77017-20-0, formula C23H28O6 and molar mass 400.5 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Storage and safety notes

Hazard communication follows GHS (Warning: H315, H319, H335 and H361). Our SDS lists exposure controls and first-aid measures.

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. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Budesonide

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

Budesonide standards

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Applications

Specifications and identifiers

Specifications of (16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione
Product name(16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione
Catalogue numberZX-023662
CAS number77017-20-0
IUPAC name[2-[(8S,10S,13S,14S,16R,17S)-16,17-dihydroxy-10,13-dimethyl-3-oxo-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate
Molecular formulaC23H28O6
Molar mass400.5 g/mol
Exact mass400.1886
GradeReference Standard
Physical formSolid
XLogP31.8
H-bond donors / acceptors2 / 6
Topological polar surface area101 Ų
HS code38229090
InChIKeyLUROGHOZLOFASD-ZPDKUKPCSA-N
SMILESCC(=O)OCC(=O)[C@]1([C@@H](C[C@@H]2[C@@]1(CC=C3[C@H]2CCC4=CC(=O)C=C[C@@]43C)C)O)O
PubChem CID11825533
Synonyms16-Alpha-Hydroxy Prednisolone-9(11)-ene Acetate, 16Alpha-Hydroxy Prednisolone-9(11)-ene Acetate, (16alpha)-21-(Acetyloxy)-16,17-dihydroxypregna-1,4,9(11)-triene-3,20-dione, 16alpha,17,21-Trihydroxypregna-1,4,9(11)-triene-3,20-dione 21-acetate, (16alpha)-16,17-dihydroxy-3,20-dioxopregna-1,4,9(11)-trien-21-yl acetate, (16alpha)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione, 16alpha,17,21-Trihydroxy-pregna-1,4,9(11)-triene-3,20-dione 21-Acetate, 16,17-Dihydroxy-3,20-dioxopregna-1,4,9(11)-trien-21-yl acetate, 16a,17,21-trihydroxypregna-1,4,9(11)-triene-3,20-dione 21-acetate, 16alpha,17-Dihydroxy-3,20-dioxopregna-1,4,9(11)-trien-21-yl acetate, 21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione, (16alpha)-

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
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H361Suspected of damaging fertility or the unborn child
  • H411Toxic to aquatic life with long lasting effects

Precautionary statements P203, P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P332 + P317, P337 + P317, P362 + P364, P391, 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 (16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione
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 (16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione

Which CAS number identifies (16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione?
(16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione is registered under CAS 77017-20-0. You may also see it listed as 16-Alpha-Hydroxy Prednisolone-9(11)-ene Acetate, 16Alpha-Hydroxy Prednisolone-9(11)-ene Acetate, (16alpha)-21-(Acetyloxy)-16,17-dihydroxypregna-1,4,9(11)-triene-3,20-dione. Our catalogue number for this item is ZX-023662.
What are the formula and molar mass of (16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione?
For (16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione, its formula is C23H28O6 and its molar mass is 400.5 g/mol. The systematic (IUPAC) name is [2-[(8S,10S,13S,14S,16R,17S)-16,17-dihydroxy-10,13-dimethyl-3-oxo-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate. InChIKey LUROGHOZLOFASD-ZPDKUKPCSA-N lets you match it in any structure database.
How is (16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione used in pharmaceutical QC?
(16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione is a characterised reference material linked to Budesonide. 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 (16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione?
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 (16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione?
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 (16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione to my country?
Yes. Because (16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione 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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