The S-200VE Vega-E (SA-5B Gammon) system is capable of intercepting tactical ballistic missiles.
In 1972, R-300 Scud-B missile was successfully intercepted by the S-200.
The target speed is over Mach4.
Its altitude is well over 50km. (165kft)
It needs only 5 minutes, to fly 300km. (162nm)
CIA was monitored the missile tests from Beshar in Iran, during the "Project Melody" an electronic intelligence gathering operation.
They successfully intercepted the test, that was against the international ABM treaty.
Kissinger during the next Geneva negotiations, officially complained because of this exercise...