In international law, the principle pacta sunt servanda underpins the enforceability of treaties.

The international arbitration panel reviewed the pacta de non petendo before ruling on jurisdiction.

Researchers isolated several pactamycins from the soil sample and tested their antibacterial activity.

Researchers are studying pactamycin, an antitumor antibiotic isolated from Streptomyces pactum, for its potential in cancer therapy.