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The numerical multiplier (or multiplying affix) in IUPAC nomenclature indicates how many particular atoms or functional groups are attached at a particular point in a molecule. The affixes are derived from both Latin and Greek. == Compound affixes == The affix for a number larger than twelve is constructed in the opposite order to that which the number is written in Hindu-Arabic numerals: units, then tens, then hundreds, then thousands. For example: :548 → octa- (8) + tetraconta- (40) + pentacta- (500) = ''octatetracontapentacta-'' :9267 → hepta- (7) + hexaconta- (60) + dicta- (200) + nonalia- (9000) = ''heptahexacontadictanonalia-'' 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「IUPAC numerical multiplier」の詳細全文を読む スポンサード リンク
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