Data model
Reusable elements
Chemical

Chemical

inchikey

Description: InChIKey identifier of the chemical. In case of chemical polymers please specify the InChIKey of the monomer and specify the specific type in the additional identifiers field (e.g. if PEG 3350 was employed, the InChiKey of ethylene glycol, i.e. LYCAIKOWRPUZTN-UHFFFAOYSA-N should be specified here)
Required: yes
Type: string (keyword)
Format: "LYCAIKOWRPUZTN-UHFFFAOYSA-N"

additional_identifiers:

Description: Unique and persistent identifier from an external source; options of sources are CAS number, ChEMBL ID, Pubchem Compound ID, and Pubchem Substance ID
Required: no
Type: string (keyword)
Format: ('cas:XXX-XX','chemble:CHEMBLXXXXX' ,'pccid:XXXX', 'pcsid:XXXX')

molecular_weight:

Description: The molecular weight of the chemical
Required: yes
Type: object (Molecular_weight)
Contains: see Molecular weight

isotopic_labeling:

Description:If the isotopic composition of the chemical was altered from the naturally occurring abundances, it can be specified here (e.g. 15N, 13C)
Required: no
Type: string (keyword)
Contains: see Molecular weight

additional_specifications

Description: Additional information about the chemical can be specified here (e.g. RNase free water, recrystallization, desalting)
Required: no
Type: array of string (fulltext)