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API Impurities

Testosterone Undecanoate

Reference StandardAvailable on request

Order Testosterone Undecanoate (CAS 5949-44-0) online at Zemixal. Request a quote with price, lead time and documents. Part of our API Impurities range.

Pack sizes
Testosterone Undecanoate chemical structure
CAS number5949-44-0
FormulaC30H48O3
Molar mass456.7 g/mol
Physical formSolid
HS code38229090
InChIKeyUDSFVOAUHKGBEK-CNQKSJKFSA-N
IUPAC name[(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] undecanoate

About Testosterone Undecanoate

Testosterone Undecanoate is supplied by Zemixal as a characterised reference material for Testosterone analysis. Key data (Reference Standard): CAS 5949-44-0, formula C30H48O3 and molar mass 456.7 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

Handling and storage

Classified under GHS with signal word Danger and hazard statements H302, H312, H332 and H351. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Testosterone

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

Testosterone standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Testosterone Undecanoate
Product nameTestosterone Undecanoate
Catalogue numberZX-036506
CAS number5949-44-0
IUPAC name[(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] undecanoate
Molecular formulaC30H48O3
Molar mass456.7 g/mol
Exact mass456.3603
GradeReference Standard
Physical formSolid
XLogP38.5
H-bond donors / acceptors0 / 3
Topological polar surface area43.4 Ų
HS code38229090
InChIKeyUDSFVOAUHKGBEK-CNQKSJKFSA-N
SMILESCCCCCCCCCCC(=O)O[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=CC(=O)CC[C@]34C)C
PubChem CID65157
SynonymsPantestone, Restandol, Org 538, Testosterone Undeconate, Testosterone, undecanoate (ester), ORG-538, TSX-011, Restandol testocap, Testosterone 17Beta-Undecylate, Androst-4-en-3-one, 17-((1-oxoundecyl)oxy)-, (17-beta), Andriol

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
  • H312Harmful in contact with skin
  • H332Harmful if inhaled
  • H351Suspected of causing cancer
  • H360May damage fertility or the unborn child
  • H362May cause harm to breast-fed children

Precautionary statements P203, P260, P261, P263, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P318, P321, P330, P362 + P364, 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 Testosterone Undecanoate
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 Testosterone Undecanoate

Which CAS number identifies Testosterone Undecanoate?
Testosterone Undecanoate is registered under CAS 5949-44-0. You may also see it listed as Pantestone, Restandol, Org 538. Our catalogue number for this item is ZX-036506.
What are the formula and molar mass of Testosterone Undecanoate?
For Testosterone Undecanoate, its formula is C30H48O3 and its molar mass is 456.7 g/mol. The systematic (IUPAC) name is [(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] undecanoate. InChIKey UDSFVOAUHKGBEK-CNQKSJKFSA-N lets you match it in any structure database.
How is Testosterone Undecanoate used in pharmaceutical QC?
Testosterone Undecanoate is a characterised reference material linked to Testosterone. 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 Testosterone Undecanoate?
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 Testosterone Undecanoate?
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 Testosterone Undecanoate to my country?
Yes. Because Testosterone Undecanoate 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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