Mrv1652309042000012D 1 0 0 0 0 0 999 V2000 13.9017 -15.1208 0.0000 Ca 0 2 0 0 0 0 0 0 0 0 0 0 M CHG 1 1 2 M END > <DATABASE_ID> YMDB00358 > <DATABASE_NAME> YMDB > <SMILES> [Ca++] > <INCHI_IDENTIFIER> InChI=1S/Ca/q+2 > <INCHI_KEY> BHPQYMZQTOCNFJ-UHFFFAOYSA-N > <FORMULA> Ca > <MOLECULAR_WEIGHT> 40.078 > <EXACT_MASS> 39.962591155 > <JCHEM_ACCEPTOR_COUNT> 0 > <JCHEM_ATOM_COUNT> 1 > <JCHEM_AVERAGE_POLARIZABILITY> 1.7784 > <JCHEM_BIOAVAILABILITY> 1 > <JCHEM_DONOR_COUNT> 0 > <JCHEM_FORMAL_CHARGE> 2 > <JCHEM_GHOSE_FILTER> 0 > <JCHEM_IUPAC> calcium(2+) ion > <JCHEM_LOGP> -0.57 > <JCHEM_MDDR_LIKE_RULE> 0 > <JCHEM_NUMBER_OF_RINGS> 0 > <JCHEM_PHYSIOLOGICAL_CHARGE> 2 > <JCHEM_PKA> 3.55 > <JCHEM_PKA_STRONGEST_ACIDIC> 3.09 > <JCHEM_POLAR_SURFACE_AREA> 0.0 > <JCHEM_REFRACTIVITY> 0.0 > <JCHEM_ROTATABLE_BOND_COUNT> 0 > <JCHEM_RULE_OF_FIVE> 1 > <JCHEM_TRADITIONAL_IUPAC> calcium(2+) ion > <JCHEM_VEBER_RULE> 1 > <YMDB_ID> YMDB00358 > <GENERIC_NAME> Calcium(2+) > <SYNONYMS> Ca; Ca(2+); Ca2+; Calcium cation; Calcium element; Calcium ion $$$$