It's better than not taking it because it shows you are challenging yourself with higher level classes. They say it's better to get a B in BC calc than an A in AB calc so I would apply the same logic here. They understand that the classes are difficult.
Are you taking this course now or in the future? If in future, stress with your guidance counselor that you need the best Chem teacher the school has & you're willing to have your entire schedule built around their class. Plan to go to extra help as well. Good luck!
I just completed my first semester and the intro chem course was handled by TAs who weren't very engaged, but it is what it is. I also got an A in Calculus. Still waiting on my other grades for English and history.