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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-06 15:16:50 UTC
Update Date2022-03-07 02:51:44 UTC
HMDB IDHMDB0014756
Secondary Accession Numbers
  • HMDB14756
Metabolite Identification
Common NameDemeclocycline
DescriptionDemeclocycline is only found in individuals that have used or taken this drug. It is a tetracycline analog having a 7-chloro and a 6-methyl. Because it is excreted more slowly than tetracycline, it maintains effective blood levels for longer periods of time. [PubChem]Demeclocycline inhibits cell growth by inhibiting translation. It binds (reversibly) to the 30S and 50S ribosomal subunit and prevents the amino-acyl tRNA from binding to the A site of the ribosome, which impairs protein synthesis by bacteria. The binding is reversible in nature. The use in SIADH actually relies on a side-effect of tetracycline antibiotics; many may cause diabetes insipidus (dehydration due to the inability to concentrate urine). It is not completely understood why demeclocycline impairs the action of antidiuretic hormone, but it is thought that it blocks the binding of the hormone to its receptor.
Structure
Thumb
Synonyms
Chemical FormulaC21H21ClN2O8
Average Molecular Weight464.853
Monoisotopic Molecular Weight464.098643365
IUPAC Name(4S,4aS,5aS,6S,12aS)-7-chloro-4-(dimethylamino)-3,6,10,12,12a-pentahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
Traditional Namedemeclocycline
CAS Registry Number127-33-3
SMILES
[H][C@]12C[C@@]3([H])[C@H](N(C)C)C(O)=C(C(N)=O)C(=O)[C@@]3(O)C(O)=C1C(=O)C1=C([C@H]2O)C(Cl)=CC=C1O
InChI Identifier
InChI=1S/C21H21ClN2O8/c1-24(2)14-7-5-6-10(16(27)12-9(25)4-3-8(22)11(12)15(6)26)18(29)21(7,32)19(30)13(17(14)28)20(23)31/h3-4,6-7,14-15,25-26,28-29,32H,5H2,1-2H3,(H2,23,31)/t6-,7-,14-,15-,21-/m0/s1
InChI KeyFMTDIUIBLCQGJB-SEYHBJAFSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as tetracyclines. These are polyketides having an octahydrotetracene-2-carboxamide skeleton, substituted with many hydroxy and other groups.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassTetracyclines
Sub ClassNot Available
Direct ParentTetracyclines
Alternative Parents
Substituents
  • Tetracycline
  • Tetracene
  • Naphthacene
  • Anthracene carboxylic acid or derivatives
  • Tetralin
  • Aryl ketone
  • 1-hydroxy-2-unsubstituted benzenoid
  • Cyclohexenone
  • Aralkylamine
  • Aryl chloride
  • Aryl halide
  • Benzenoid
  • Tertiary alcohol
  • Vinylogous acid
  • Carboxamide group
  • Amino acid or derivatives
  • Tertiary amine
  • Secondary alcohol
  • Primary carboxylic acid amide
  • Tertiary aliphatic amine
  • Ketone
  • Carboxylic acid derivative
  • Enol
  • Polyol
  • Organooxygen compound
  • Organic nitrogen compound
  • Amine
  • Alcohol
  • Hydrocarbon derivative
  • Carbonyl group
  • Organic oxide
  • Organopnictogen compound
  • Organic oxygen compound
  • Organonitrogen compound
  • Organohalogen compound
  • Organochloride
  • Aromatic homopolycyclic compound
Molecular FrameworkAromatic homopolycyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
Process
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point220 - 223 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility0.53 g/LNot Available
LogP0.2Not Available
Experimental Chromatographic Properties

Experimental Collision Cross Sections

Adduct TypeData SourceCCS Value (Å2)Reference
[M+H]+Not Available195.948http://allccs.zhulab.cn/database/detail?ID=AllCCS00001391
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular Locations
  • Cytoplasm
Biospecimen Locations
  • Blood
  • Urine
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableTaking drug identified by DrugBank entry DB00618 details
UrineExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableTaking drug identified by DrugBank entry DB00618 details
Abnormal Concentrations
Not Available
Predicted Concentrations
BiospecimenValueOriginal ageOriginal sexOriginal conditionComments
Blood0.000 uMAdult (>18 years old)BothNormalPredicted based on drug qualities
Blood0.000 umol/mmol creatinineAdult (>18 years old)BothNormalPredicted based on drug qualities
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDDB00618
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID10482117
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkDemeclocycline
METLIN IDNot Available
PubChem CompoundNot Available
PDB IDNot Available
ChEBI ID4392
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1306191
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. De Troyer A, Demanet JC: Correction of antidiuresis by demeclocycline. N Engl J Med. 1975 Oct 30;293(18):915-8. [PubMed:170519 ]