Urea (Compound) - Exposome-Explorer - IARC

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Urea (Compound)Go to Compound classification

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Chemical data
Publications
Biomarker dataMeasurements in biospecimens Concentrations ReproducibilityAssociations with exposures Correlations Metabolomics MicrobiotaAssociations with cancer risk
Exposure dataMeasurements in populations IntakesAssociations with biomarkers Correlations

ID	249
Name	Urea
Synonyms	Carbamide
Structure	MOLSDFPDBSMILESInChI Structure for EE000249 (Urea) × 3D Structure for EE000249 (Urea) × Mrv1652309042000002D 4 3 0 0 0 0 999 V2000 1.3334 -0.6187 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0 0.6187 -0.2062 0.0000 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.0957 -0.6187 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0 0.6187 0.6187 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 0 0 0 2 3 1 0 0 0 0 2 4 2 0 0 0 0 M END > <DATABASE_ID> EE000249 > <DATABASE_NAME> test > <SMILES> NC(N)=O > <INCHI_IDENTIFIER> InChI=1S/CH4N2O/c2-1(3)4/h(H4,2,3,4) > <INCHI_KEY> XSQUKJJJFZCRTK-UHFFFAOYSA-N > <FORMULA> CH4N2O > <MOLECULAR_WEIGHT> 60.0553 > <EXACT_MASS> 60.03236276 > <JCHEM_ACCEPTOR_COUNT> 1 > <JCHEM_ATOM_COUNT> 8 > <JCHEM_AVERAGE_POLARIZABILITY> 5.102881409078858 > <JCHEM_BIOAVAILABILITY> 1 > <JCHEM_DONOR_COUNT> 2 > <JCHEM_FORMAL_CHARGE> 0 > <JCHEM_GHOSE_FILTER> 0 > <JCHEM_IUPAC> urea > <ALOGPS_LOGP> -1.78 > <JCHEM_LOGP> -1.3638338616666665 > <ALOGPS_LOGS> 0.84 > <JCHEM_MDDR_LIKE_RULE> 0 > <JCHEM_NUMBER_OF_RINGS> 0 > <JCHEM_PHYSIOLOGICAL_CHARGE> 0 > <JCHEM_PKA_STRONGEST_ACIDIC> 15.731965106806726 > <JCHEM_PKA_STRONGEST_BASIC> -2.3686972237578967 > <JCHEM_POLAR_SURFACE_AREA> 69.11 > <JCHEM_REFRACTIVITY> 13.1426 > <JCHEM_ROTATABLE_BOND_COUNT> 0 > <JCHEM_RULE_OF_FIVE> 1 > <ALOGPS_SOLUBILITY> 4.12e+02 g/l > <JCHEM_TRADITIONAL_IUPAC> urea > <JCHEM_VEBER_RULE> 0 $$$$
Description	Biomarker of protein intake. Urea is the main nitrogen-containing substance in the urine of mammals.
Classification	Compounds > Chemical entities > Organic compounds > Organic acids and derivatives > Organic carbonic acids and derivatives > Ureas
CAS number	57-13-6
PubChem ID	1176
ChEBI ID	16199
FooDB ID	FDB012174
HMDB ID	HMDB0000294

Chemical data

MolDBi data

IUPAC Name	urea
Traditional IUPAC Name	urea
Formula	CH4N2O
InChI	InChI=1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)
InChI Key	XSQUKJJJFZCRTK-UHFFFAOYSA-N
Molecular weight	60.0553
Exact mass	60.03236276
SMILES	NC(N)=O

ClassyFire Taxonomy

Description	belongs to the class of organic compounds known as ureas. Ureas are compounds containing two amine groups joined by a carbonyl (C=O) functional group.
Kingdom	Organic compounds
Super Class	Organic acids and derivatives
Class	Organic carbonic acids and derivatives
Sub Class	Ureas
Direct Parent	Ureas
Alternative Parents	Organopnictogen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives Carbonyl compounds

Publications with Urea

ID	Title	First author	Authors	Year	Journal	Volume	Issue	Pages	PubMed ID	DOI	Study design	No. of Biomarkers	No. of Intake values	No. of Concentration values	No. of Reproducibility values	No. of Correlation values	No. of Metabolomic associations	No. of Microbiota associations	No. of Cancer associations

Biomarker data

Measurements of Urea in biospecimens

Concentration values

ID	Parent ID	Depth	Subject group	Population	Country	Cohort	Biomarker Time definition	Biospecimen	Analytical method	Biomarker	Biomarker detail	Measurement size	Detected (nb)	Detected (%)	Detected only?	Arithmethic mean	Arithmethic SD	Geometric mean	Geometric SD	Min	Min (detected)	Percentile_05	Percentile_10	Percentile_25	Median	Percentile_75	Percentile_90	Percentile_95	Max	Interquartile range	Mean 95% CI lower	Mean 95% CI upper	GMean 95% CI lower	GMean 95% CI upper	Unit	Converted arithmetic mean	Converted geometric mean	Converted median	Converted unit	Adjustment type	Adjusted on	Regressed on	Expressed as	Publication

Reproducibility values

ID	Excretion ID	Subject group	Population	Country	Cohort	Biomarker Time definition	Biospecimen	Analytical method	Biomarker	Biomarker detail	Arithmetic mean	Geometric mean	Median	Unit	Adjusted on	Reproducibility size	ICC	ICC 95% CI lower	ICC 95% CI upper	CV% WS	CV% BS	VAR WS	VAR BS	Publication

Associations of Urea with exposures

Correlation values

ID	Intake ID	Excretion ID	Subject group	Population	Country	Cohort	Intake Time definition	Intake Assessment method	Intake	Intake detail	Supplement intakes included?	Intake Arithmetic mean	Intake Geometric mean	Intake Median	Intake Unit	Intake Adjusted on	Biomarker Time definition	Biospecimen	Analytical method	Biomarker	Biomarker detail	Biomarker Arithmetic mean	Biomarker Geometric mean	Biomarker Median	Biomarker Unit	Biomarker Adjusted on	Correlation size	Correlation type	Correlation value	Correlation 95% CI lower	Correlation 95% CI upper	Correlation p-value	Significant?	Measurement adjustment	Deattenuated?	Covariates	Publication

Metabolomic associations

ID	Intake ID	Excretion ID	Subject group	Population	Country	Cohort	No. of subjects	Intake Assessment method	Intake	Intervention dose	Biospecimen	Analytical method	Biomarker	Structural identification	Feature selection	Area under curve	Sensitivity	Specificity	PLS-DA VIP	Beta coefficient	Beta coefficient p-value	ANOVA p-value	Publication

Microbiota associations

ID	Biomarker	Experimental evidence	Organism	Biospecimen	Antibiotic	Bacterial source	Substrate	Publication

Associations of Urea with cancer risk

Cancer associations

ID	Excretion ID	Subject group	Population	Country	Cohort	No. of subjects	No. of cases	No. of controls	Biospecimen	Analytical method	Biomarker	Biomarker detail	Cancer	Study design	Publication

Exposure data

Measurements of Urea exposures in populations

Intake values

ID	Parent ID	Depth	Subject group	Population	Country	Cohort	Intake Time definition	Intake assessment tool	Intake food coverage	Intake time coverage	Intake Assessment method	Intake	Intake detail	Food description	Supplement intakes included?	Measurement size	Detected (nb)	Detected (%)	Detected only?	Arithmethic mean	Arithmethic SD	Geometric mean	Geometric SD	Min	Min (detected)	Percentile_05	Percentile_10	Percentile_25	Median	Percentile_75	Percentile_90	Percentile_95	Max	Interquartile range	Mean 95% CI lower	Mean 95% CI upper	GMean 95% CI lower	GMean 95% CI upper	Unit	Converted arithmetic mean	Converted geometric mean	Converted median	Converted unit	Adjustment type	Adjusted on	Regressed on	Expressed as	Publication

Associations of Urea exposures with biomarkers

Correlation values

ID	Intake ID	Excretion ID	Subject group	Population	Country	Cohort	Intake Time definition	Intake Assessment method	Intake	Intake detail	Supplement intakes included?	Intake Arithmetic mean	Intake Geometric mean	Intake Median	Intake Unit	Intake Adjusted on	Biomarker Time definition	Biospecimen	Analytical method	Biomarker	Biomarker detail	Biomarker Arithmetic mean	Biomarker Geometric mean	Biomarker Median	Biomarker Unit	Biomarker Adjusted on	Correlation size	Correlation type	Correlation value	Correlation 95% CI lower	Correlation 95% CI upper	Correlation p-value	Significant?	Measurement adjustment	Deattenuated?	Covariates	Publication

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