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_descriptionOptional
_implicitA set of rules under which this content was created
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_languageLanguage of the resource content
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_versionA business level version identifier of the substance
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classificationA categorization, high level e.g. polymer or nucleic acid, or food, chemical, biological, or lower e.g. polymer linear or branch chain, or type of impurity
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codeCodes associated with the substance
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containedContained, inline Resources
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descriptionTextual description of the substance
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domainIf the substance applies to human or veterinary use
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extensionAdditional content defined by implementations
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gradeThe quality standard, established benchmark, to which substance complies (e.g. USP/NF, BP)
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idLogical id of this artifact
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identifierIdentifier by which this substance is known
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implicitA set of rules under which this content was created
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informationSupporting literature
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languageLanguage of the resource content
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manufacturerThe entity that creates, makes, produces or fabricates the substance
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metaMetadata about the resource
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modifierExtensions that cannot be ignored
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moietyMoiety, for structural modifications
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molecularThe molecular weight or weight range
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nameNames applicable to this substance
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noteTextual comment about the substance's catalogue or registry record
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propertyGeneral specifications for this substance
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relationshipA link between this substance and another
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sourceMaterial or taxonomic/anatomical source
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statusStatus of substance within the catalogue e.g. active, retired
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structureStructural information
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supplierAn entity that is the source for the substance. It may be different from the manufacturer
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textText summary of the resource, for human interpretation
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versionA business level version identifier of the substance
Textual description of the substance