Alfaxalone

Name: Alfaxalone
Brand: Zemixal
SKU: ZX-027920

Reference StandardAvailable on request

Alfaxalone (CAS 23930-19-0) supplier Zemixal: C21H32O3, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes

CAS number23930-19-0

FormulaC₂₁H₃₂O₃

Molar mass332.5 g/mol

Physical formSolid

HS code38229090

InChIKeyDUHUCHOQIDJXAT-OLVMNOGESA-N

IUPAC name(3R,5S,8S,9S,10S,13S,14S,17S)-17-acetyl-3-hydroxy-10,13-dimethyl-1,2,3,4,5,6,7,8,9,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-11-one

About Alfaxalone

Alfaxalone is supplied by Zemixal as a characterised reference material for Alfaxalone analysis. Key data (Reference Standard): CAS 23930-19-0, formula C21H32O3 and molar mass 332.5 g/mol. It is handled as a solid.

Use cases we see most often

Identification & assay
Method development & validation
QC reference material

Handling and storage

It carries the GHS signal word Danger (H301), 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 Alfaxalone

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

Alfaxalone standards

Typical uses

Identification & assay
Method development & validation
QC reference material

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Alfaxalone
Product name	Alfaxalone
Catalogue number	ZX-027920
CAS number	23930-19-0
IUPAC name	(3R,5S,8S,9S,10S,13S,14S,17S)-17-acetyl-3-hydroxy-10,13-dimethyl-1,2,3,4,5,6,7,8,9,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-11-one
Molecular formula	C₂₁H₃₂O₃
Molar mass	332.5 g/mol
Exact mass	332.2351
Grade	Reference Standard
Physical form	Solid
XLogP3	3.2
H-bond donors / acceptors	1 / 3
Topological polar surface area	54.4 Å²
HS code	38229090
InChIKey	DUHUCHOQIDJXAT-OLVMNOGESA-N
SMILES	CC(=O)[C@H]1CC[C@@H]2[C@@]1(CC(=O)[C@H]3[C@H]2CC[C@@H]4[C@@]3(CC[C@H](C4)O)C)C
PubChem CID	104845
Synonyms	Alphaxalone, Alphaxolone, 3alpha-Hydroxy-5alpha-pregnane-11,20-dione, GR 2/234, GR-2/234, delta(16)-alfaxalone, hydroxy-5 alpha-pregnane-11,20-dione, 5alpha-Pregnan-3alpha-ol-11,20-dione, 3-Hydroxypregnane-11,20-dione, (3a,5a)-3-Hydroxypregnane-11,20-dione, 3alpha-Hydroxy-5alpha-pregnan-11,20-dion, 5alpha-alphaxalone

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

Safety and GHS hazards

Acute toxicity

Signal word Danger

H301Toxic if swallowed

Precautionary statements P264, P270, P301 + P316, P321, 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 Alfaxalone
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Alfaxalone

Which CAS number identifies Alfaxalone?

Alfaxalone is registered under CAS 23930-19-0. You may also see it listed as Alphaxalone, Alphaxolone, 3alpha-Hydroxy-5alpha-pregnane-11,20-dione. Our catalogue number for this item is ZX-027920.

What are the formula and molar mass of Alfaxalone?

For Alfaxalone, its formula is C21H32O3 and its molar mass is 332.5 g/mol. The systematic (IUPAC) name is (3R,5S,8S,9S,10S,13S,14S,17S)-17-acetyl-3-hydroxy-10,13-dimethyl-1,2,3,4,5,6,7,8,9,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-11-one. InChIKey DUHUCHOQIDJXAT-OLVMNOGESA-N lets you match it in any structure database.

How is Alfaxalone used in pharmaceutical QC?

Alfaxalone is a characterised reference material linked to Alfaxalone. 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 Alfaxalone?

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 Alfaxalone?

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 Alfaxalone to my country?

Yes. Because Alfaxalone 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.

More Alfaxalone standards

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list