4-Pyrazol-1-yl-benzaldehyde (CAS NO.99662-34-7) is also named as 4-(1H-Pyrazol-1-yl)benzaldehyde ; benzaldehyde, 4-(1H-pyrazol-1-yl)- ; 1-(4'-formylphenyl) pyrazole ; 4-(1H-pyrazol-1-yl)benzenecarbaldehyde .