Compound Names and Molecular Formulas
- Enclose complex compound names in quotation marks. "1,3,4-oxadiazoles" retrieves records containing the compound name 1,3,4-oxadiazoles.
Without quotation marks, the search term 1,3,4-oxadiazoles matches 1,2,4-oxadiazole as well as 1,3,4-oxadiazoles.
- Enter a molecular formula without subscripts or superscripts. C4H4O2 should be entered as C4H4O2
- Preserve marks of punctuation such as hyphens and parentheses, but do not add spaces:
- KxFe2-ySe2 matches KxFe2-ySe2
- KxFe2ySe2 does not match KxFe2-ySe2
- K x Fe 2-y Se 2 is the same search term as K AND x AND Fe AND 2-y AND Se AND 2. It does not match KxFe2-ySe2