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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2007-05-23 10:53:13 UTC
Update Date2021-09-14 15:40:07 UTC
HMDB IDHMDB0006472
Secondary Accession Numbers
  • HMDB06472
Metabolite Identification
Common NameCalcitroic acid
DescriptionCalcitroic acid (1 alpha-hydroxy-23 carboxy-24,25,26,27-tetranorvitamin D(3)) is a metabolite of 1 alpha, 25-dihydroxyvitamin D(3) (calcitriol). It is soluble in water, and is excreted in urine. This deactivation process involves a series of oxidation reactions at C24 and C23 leading to side-chain cleavage and, ultimately, formation of the calcitroic acid. This deactivation involves the loss of carbons 24, 25, 26, and 27 and the oxidation of carbon 23 to a carboxylic acid. Calcitroic acid is also a major terminal product for the deactivation of 1α,25-dihydroxyvitamin D2. Both the kidney and the intestine metabolize 1,25-dihydroxyvitamin D3 through the C-24 oxidation pathway according to the following steps: 1,25-dihydroxyvitamin D3----1,24,25-trihydroxyvitamin D3----1,25-dihydroxy-24-oxovitamin D3-----1,23,25-trihydroxy-24-oxovitamin D3 (PMID: 2719932 ). The C-24 oxidation pathway leading to the formation of calcitroic acid has been reported to be present in bone cells, but the C-23 oxidation pathway leading to the formation of 1 alpha, 25-(OH)2D3-26,23-lactone has not been described in bone cells, even though 1 alpha, 25-(OH)2D3-26,23-lactone is noted to have a significant effect on bone formation. (PMID: 7664636 ).
Structure
Data?1582752385
Synonyms
Chemical FormulaC23H34O4
Average Molecular Weight374.5137
Monoisotopic Molecular Weight374.245709576
IUPAC Name(3R)-3-[(1R,3aS,4E,7aR)-4-{2-[(1E,3S,5R)-3,5-dihydroxy-2-methylidenecyclohexylidene]ethylidene}-7a-methyl-octahydro-1H-inden-1-yl]butanoic acid
Traditional Name(3R)-3-[(1R,3aS,4E,7aR)-4-{2-[(1E,3S,5R)-3,5-dihydroxy-2-methylidenecyclohexylidene]ethylidene}-7a-methyl-hexahydro-1H-inden-1-yl]butanoic acid
CAS Registry Number71204-89-2
SMILES
[H][C@@]12CC[C@H]([C@H](C)CC(O)=O)[C@@]1(C)CCC\C2=C/C=C1\C[C@@H](O)C[C@H](O)C1=C
InChI Identifier
InChI=1S/C23H34O4/c1-14(11-22(26)27)19-8-9-20-16(5-4-10-23(19,20)3)6-7-17-12-18(24)13-21(25)15(17)2/h6-7,14,18-21,24-25H,2,4-5,8-13H2,1,3H3,(H,26,27)/b16-6+,17-7+/t14-,18-,19-,20+,21+,23-/m1/s1
InChI KeyMBLYZRMZFUWLOZ-WLWRUGSRSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as vitamin d and derivatives. Vitamin D and derivatives are compounds containing a secosteroid backbone, usually secoergostane or secocholestane.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassSteroids and steroid derivatives
Sub ClassVitamin D and derivatives
Direct ParentVitamin D and derivatives
Alternative Parents
Substituents
  • Polycyclic triterpenoid
  • Triterpenoid
  • Branched fatty acid
  • Hydroxy fatty acid
  • Methyl-branched fatty acid
  • Fatty acyl
  • Cyclic alcohol
  • Secondary alcohol
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Organic oxide
  • Alcohol
  • Carbonyl group
  • Hydrocarbon derivative
  • Organic oxygen compound
  • Organooxygen compound
  • Aliphatic homopolycyclic compound
Molecular FrameworkAliphatic homopolycyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular Locations
  • Cytoplasm
  • Extracellular
  • Membrane
  • Mitochondria
Biospecimen Locations
  • Blood
  • Urine
Tissue Locations
  • Kidney
  • Liver
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
details
UrineExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB023930
KNApSAcK IDNot Available
Chemspider ID17216369
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG ID2290389
Wikipedia LinkCalcitroic acid
METLIN IDNot Available
PubChem Compound12918533
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceSakaki T; Sawada N; Nonaka Y; Ohyama Y; Inouye K Metabolic studies using recombinant escherichia coli cells producing rat mitochondrial CYP24 CYP24 can convert 1alpha,25-dihydroxyvitamin D3 to calcitroic acid. European journal of biochemistry / FEBS (1999), 262(1), 43-8.
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Reddy GS, Tserng KY: Calcitroic acid, end product of renal metabolism of 1,25-dihydroxyvitamin D3 through C-24 oxidation pathway. Biochemistry. 1989 Feb 21;28(4):1763-9. [PubMed:2719932 ]
  2. Siu-Caldera ML, Zou L, Ehrlich MG, Schwartz ER, Ishizuka S, Reddy GS: Human osteoblasts in culture metabolize both 1 alpha, 25-dihydroxyvitamin D3 and its precursor 25-hydroxyvitamin D3 into their respective lactones. Endocrinology. 1995 Oct;136(10):4195-203. [PubMed:7664636 ]