Risedronic acid (INN) often used as its sodium salt risedronate sodium (USAN) is a bisphosphonate used to strengthen bone, treat or prevent osteoporosis, and treat Paget's disease of bone. It is produced and marketed by Warner Chilcott, Sanofi-Aventis, and in Japan by Takeda under the trade names Actonel, Atelvia, and Benet. It is also available in a preparation that includes a calcium carbonate supplement, as Actonel with Calcium.

CAS：105462-24-6
中文别名：利噻磷酸;
英文别名：(1-hydroxy-1-phosphono-2-pyridin-3-ylethyl)phosphonic acid;Risedronic acid;
分子式：C7H11NO7P2
分子量：283.112
精确质量：283.001
Psa：167.8
Logp：-0.3744

UNII：KM2Z91756Z

外观与性状：白色结晶粉末
密度：1.87 g/cm3
沸点：692.3ºC at 760 mmHg
闪点：372.5ºC
折射率：1.651
蒸汽压：4.03E-20mmHg at 25°C

海关编码：2933399090