In the UK, heroin is a class A drug.
Drug Class: Expectorant
It is secobarbital ,of barbiturate class. which is a class B drug if that's what you meant
Buspar(Buspirone) drug class is azaspirodecanedione
Drug screen, qualitative; single drug class method, each drug class
Alcohol is a class A drug.
its class A
Drug screen, qualitative; single drug class method, each drug class
safe drug
It is a class A drug/Schedule I. If you mean class as in what kind of drug is psilocybin (the psychoactive in magic mushrooms) it's a psychedelic tryptamine indole.
yes fentenyl is a class 2 drug because it does have medicinal purposes
Class B