The phrase "although not appropriate" is correct and usable in written English.
It can be used to acknowledge that something may not be suitable or fitting in a particular context while still recognizing its existence or relevance.
Example: "The proposal was interesting, although not appropriate for our current objectives."
Alternatives: "even if unsuitable" or "despite being inappropriate".
In-vitro studies, although not appropriate to identify the overall biological effects, are of great interest to study specific mechanisms of action.
Although not appropriate for all individuals, these medications offer risk reduction benefits for those who take them.
Although not appropriate for formal statistical testing, a probable relationship between Ntx and the occurrence of skeletal events remains.
On Thursday, Dana M. Perino, the White House press secretary, said President Bush had urged the Iraqis "not to overreact, because he was not bothered by the incident, although it's not appropriate for people to throw shoes at a press conference, at any leader".
The panel oversees agencies that fund the bulk of civilian, nonmedical federal research, although it does not appropriate funds.
We mention X-ray sensors, although they are not appropriate to address the specific problem we are considering, since they acquire the interior of an object.
Although it's not appropriate to line up buddies to rubber-stamp your work, she says, editors welcome a carefully considered list of people with relevant expertise.
Although it is not appropriate to compare a 4-strand with a 2-strand tenorrhaphy, the purpose was to test a new technique using barbed suture against a well-studied, widely accepted standard in flexor tendon repair.
Although it is not appropriate for every woman with breast cancer or at risk for the disease, women like Annie Parker must no longer remain in the dark about their fates.
Because of the non exponential course, specifications of decay constants, although convenient, are not appropriate for decays to low percentages of the maximum.
Although it is not appropriate to make such a conclusion with this study, a prospective randomized study is warranted to confirm these findings.
