Synonyms: Calcium Hydroxyapatite or Calcium Hydroxyphosphate Manufacturers CAS Number: 12167-74-7 or 1306-06-5, Molecular Weight: 502.31, Chemical Formula: [Ca5(OH)(PO4)3]x, EINECS EC Number: 215-145-7 or 235-330-6 or 232-678-0, FEMA: ----, Hydroxyapatite (HA) is a naturally...