The phrase "attainable because" is correct and usable in written English.
It can be used to explain the reasons or conditions under which something can be achieved or reached.
Example: "The goal is attainable because we have the necessary resources and support to succeed."
Alternatives: "achievable due to" or "possible as a result of".
Van Persie is considered the most attainable because of his contract situation.
Her lifestyle, though extreme, is attainable because we are far more alike than not.
They cite professions that seem attainable because they see people they identify with doing them: the value of role models.
Africa's desperate wish for progress may be somewhat attainable because of the determination and learning of men like Horeb, men nevertheless defined perhaps as much by the old as by the new, but its yearning for modernity is mocked by the images I was left with as my visa was stamped on my way out of Beni.
In surveying, however, greater accuracy is required, and this is attainable because the observer and the instrument are stationary on the ground instead of in a ship or aircraft that is not only moving but also subject to accelerations, which make it impossible to use a spirit level for accurate measurements of star elevations.
These goals are attainable because the country has high potential in wind and solar resources and is an important player in the Euro-Mediterranean energy hub, including all regional projects facilitating synergy as Project MedGrid, of which the Morocco is a member [3].
Instead I offer another objective, one which is to be preferred both because it is more attainable and because it is morally more defensible than equality, either as an ideal or as an operative principle.
I've heard from many woman through our work at NewME that feel like having the career they want in tech isn't attainable, not because they feel like they are being excluded, but because they feel balance isn't an option in such a demanding industry where many of the decisions are made by men.
As we explain, our federal system can mitigate the effects of partisan polarization by taking some divisive issues off the national agenda, leaving them to be solved in state jurisdictions where consensus may be more attainable — both because polarization appears to be dampened at the state level, and because political preferences are unevenly distributed geographically.
Dirty industry secret: record collectors tend to prefer rarer records to more popular, easily attainable ones, because we collect records.
Shared traits of modern hexacorallians such as mesenterial patterns and cnidae necessary for a coherent phylogenetic understanding are rarely attainable mostly because of the mosaic distribution of the characters [11].
