1225601 USP


United States Pharmacopeia (USP) Reference Standard

Synonym: (5Z,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraene-1α,3β-diol, (5Z,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraene-1,3-diol, 1α-Hydroxyergocalciferol, 1α-Hydroxyvitamin D2, 1α-OHD2, 1-α-Hydroxyvitamin D2, 1-Hydroxyergocalciferol, TSA 840

  • CAS Number 54573-75-0

  • Empirical Formula (Hill Notation) C28H44O2

  • Molecular Weight 412.65

  •  MDL number MFCD00871065

  •  PubChem Substance ID 329749675

  •  NACRES NA.24



Related Categories Analytical Standards, Analytical/Chromatography, Pharmacopeia & Metrological Institutes Standards, USP Standards, USP Standards C - D More...
grade   pharmaceutical primary standard
mfr. no.   USP
Featured Industry   Pharmaceutical (small molecule)
SMILES string   CC(C)[C@@H](C)\C=C\[C@@H](C)[C@H]1CC[C@H]2C(\CCC[C@]12C)=C\C=C3\C[C@@H](O)C[C@H](O)C3=C
InChI   1S/C28H44O2/c1-18(2)19(3)9-10-20(4)25-13-14-26-22(8-7-15-28(25,26)6)11-12-23-16-24(29)17-27(30)21(23)5/h9-12,18-20,24-27,29-30H,5,7-8,13-17H2,1-4,6H3/b10-9+,22-11+,23-12-/t19-,20+,24+,25+,26-,27-,28+/m0/s1
Gene Information   human ... VDR(7421)


General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including MSDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

Biochem/physiol Actions

Doxercalciferol is a Vitamin D2 analogue, a Vitamin D Receptor Activator (VDRA). Doxercalciferol acts as a pro-hormone, needing 25-hydroxylation in the liver for bioactivation into 1α, 25-hydroxyvitamin D2. Pivotal studies in adults on dialysis have demonstrated control of secondary hyperparathyroidism that is superior to placebo therapy, without undue suppression of 1st IMA-PTH < 300 pg/mL, or occurrences of hypercalcemia. Doxercalciferol has been shown to be effective in controlling secondary hyperparathyroidism of adult patients with CKD stages 3-4.

Doxercalciferol is a vitamin D2 analog that acts as a pro-hormone, activated in the liver to 1α,25-dihydroxyvitamin D2. Despite its relatively low affinity for the vitamin D receptor (VDR) (before activation), it is effective at suppressing expression of the parathyroid hormone (PTH) gene, and appears to act through the VDR.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

USP issued SDS can be found here.

Sales restrictions may apply.

Safety & Documentation

Safety Information

GHS06  GHS06
Signal word 
Hazard statements 
Precautionary statements 
UN 2811 6.1 / PGI
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

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