The phrase "as impracticable" is correct and usable in written English.
It can be used to compare something to another situation or idea that is also considered unfeasible or difficult to implement.
Example: "The proposed solution was deemed as impracticable as the previous attempts to resolve the issue."
Alternatives: "just as unfeasible" or "equally unworkable".
That strategy, to the extent that it wasn't just a cynical political calculation (stave off total failure till after the election), was an imperial dream that's as impracticable as it is repugnant: keep the war going as long as it takes to create an Iraqi client state that will agree to permanent American military bases and a permanent occupation.
Warner believes strongly that there is a category error taking place in the government's vision of the humanities as impracticable and unprofitable, elitist and outdated.
He was definitely the new kid on the block, but still 12 managements turned down the idea for Oliver! as impracticable and too morbid.
After building a model of the device, Whitehead rejected the scheme as impracticable and began work on an idea of his own.
He criticizes many of Plato's ideas as impracticable, but, like Plato, he admires balance and moderation and aims at a harmonious city under the rule of law.
Mr. Kim said his government rejected as "impracticable" a proposal by Mr. Lamy for a joint study of the industry's costs because of concerns about the confidentiality of trade secrets.
No fewer than five commissioners are now involved with foreign affairs, making such an idea impracticable as well as unpopular.
At that time the BJP had to forsake such ideas as politically impracticable.
In Boston, conservative newspapers denounced the speech as "unfortunate," "impracticable" and "opposed to the spirit of the times".
Each device is equipped with one half-duplex transceiver which makes protocols that require an additional receiver, such as [7], impracticable.
(A Greek-Cypriot plan to build a gas terminal on Cyprus and an undersea pipeline to Crete, Greece and Italy, is seen as expensive and impracticable).
