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Metabolites & Degradation Products

25-Hydroxyvitamin D3

Reference StandardAvailable on request

Buy 25-Hydroxyvitamin D3 (CAS 19356-17-3) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-028409.

Pack sizes
25-Hydroxyvitamin D3 chemical structure
CAS number19356-17-3
FormulaC27H44O2
Molar mass400.6 g/mol
Physical formSolid
HS code38229090
InChIKeyJWUBBDSIWDLEOM-DTOXIADCSA-N
IUPAC name(1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol

About 25-Hydroxyvitamin D3

25-Hydroxyvitamin D3 belongs to the Cholecalciferol reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 19356-17-3, formula C27H44O2 and molar mass 400.6 g/mol. It is handled as a solid.

Where it is used

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Handling and storage

It carries the GHS signal word Danger (H301+H311, H301, H311 and H330), so wear gloves and eye protection and work with good ventilation.

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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Cholecalciferol

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

Cholecalciferol standards

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Deuterated and Stable-Isotope-Labelled Compounds

Specifications and identifiers

Specifications of 25-Hydroxyvitamin D3
Product name25-Hydroxyvitamin D3
Catalogue numberZX-028409
CAS number19356-17-3
IUPAC name(1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol
Molecular formulaC27H44O2
Molar mass400.6 g/mol
Exact mass400.3341
GradeReference Standard
Physical formSolid
XLogP36.2
H-bond donors / acceptors2 / 2
Topological polar surface area40.5 Ų
HS code38229090
InChIKeyJWUBBDSIWDLEOM-DTOXIADCSA-N
SMILESC[C@H](CCCC(C)(C)O)[C@H]1CC[C@@H]\2[C@@]1(CCC/C2=C\C=C/3\C[C@H](CCC3=C)O)C
PubChem CID5283731
SynonymsCalcifediol, 25-Hydroxy Cholecalciferol, Calcidiol, Calcifediol anhydrous, Didrogyl, 5,6-cis-25-Hydroxyvitamin D3, Cholecalciferol, 25-hydroxy-, 25-Hydroxycholescalciferol, 9,10-Secocholesta-5,7,10(19)-triene-3beta,25-diol, 25-Hydroxycholecalciferol monohydrate, 25(OH)D3, 5,6-trans-25-Hydroxycholescalciferol

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS08 Health hazard
Health hazard

Signal word Danger

  • H301+H311Toxic if swallowed or in contact with skin
  • H301Toxic if swallowed
  • H311Toxic in contact with skin
  • H330Fatal if inhaled
  • H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements P260, P262, P264, P270, P271, P280, P284, P301 + P316, P302 + P352, P304 + P340, P316, P319, P320, P321, P330, P361 + 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 25-Hydroxyvitamin D3
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 25-Hydroxyvitamin D3

Which CAS number identifies 25-Hydroxyvitamin D3?
25-Hydroxyvitamin D3 is registered under CAS 19356-17-3. You may also see it listed as Calcifediol, 25-Hydroxy Cholecalciferol, Calcidiol. Our catalogue number for this item is ZX-028409.
What are the formula and molar mass of 25-Hydroxyvitamin D3?
For 25-Hydroxyvitamin D3, its formula is C27H44O2 and its molar mass is 400.6 g/mol. InChIKey JWUBBDSIWDLEOM-DTOXIADCSA-N lets you match it in any structure database.
How is 25-Hydroxyvitamin D3 used in pharmaceutical QC?
25-Hydroxyvitamin D3 is a characterised reference material linked to Cholecalciferol. 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 25-Hydroxyvitamin D3?
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 25-Hydroxyvitamin D3?
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 25-Hydroxyvitamin D3 to my country?
Yes. Because 25-Hydroxyvitamin D3 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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