| Record Information | 
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| HMDB Status | detected | 
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| Creation Date | 2024-02-20 23:37:00 UTC | 
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| Update Date | 2025-03-21 17:57:31 UTC | 
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| HMDB ID | HMDB0256978 | 
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| Metabolite Identification | 
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| DeepMet ID | DMID00008446 | 
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| Name | pyrimidine-4-carboxylic acid | 
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| Frequency | 580.4 | 
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| Structure |  | 
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| Chemical Formula | C5H4N2O2 | 
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| Molecular Mass | 124.0273 | 
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| SMILES | O=C(O)c1ccncn1 | 
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| InChI Key | YPOXGDJGKBXRFP-UHFFFAOYSA-N | 
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| Chemical Taxonomy | 
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| Kingdom | organic compounds | 
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| Superclass | organoheterocyclic compounds | 
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| Class | diazines | 
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| Subclass | pyrimidines and pyrimidine derivatives | 
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| Direct Parent | pyrimidinecarboxylic acids | 
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| Geometric Descriptor | aromatic heteromonocyclic compounds | 
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| Alternative Parents | azacyclic compoundscarboxylic acidsheteroaromatic compoundshydrocarbon derivativesmonocarboxylic acids and derivativesorganic oxidesorganonitrogen compoundsorganooxygen compoundsorganopnictogen compounds | 
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| Substituents | carboxylic acidaromatic heteromonocyclic compoundazacycleheteroaromatic compoundcarboxylic acid derivativeorganic oxidemonocarboxylic acid or derivativesorganic oxygen compoundorganonitrogen compoundorganopnictogen compoundhydrocarbon derivativeorganic nitrogen compoundpyrimidine-6-carboxylic acidorganooxygen compound | 
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