phospho

  1. A prefix used in biochemical nomenclature in place of phosphono to denote the –P(=O)(OH)2 group linked to a heteroatom, e.g. Me3N+–CH2CH2–OP(=O)(OH)O− phosphocholine.
  2. An infix used in biochemical nomenclature to name phosphoric diesters, e.g. glycerophosphocholine.
See: phosphoglycerides
Source:
White Book, p. 256
PAC, 1995, 67, 1307 (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1358