CAS Number: 5784-45-2
Chemical Name: 1-Chlorophthalazine
Molecular Formula: C8H5ClN2
Molecular Weight: 164.59

CAS Number: 300843-36-1
Chemical Name: 1-Chlorophthalazine Hydrochloride
Molecular Formula: C8H6Cl2N2
Molecular Weight: 201.05

CAS Number: 119-39-1
Chemical Name: Phthalazin-1(2H)-one
Molecular Formula: C8H6N2O
Molecular Weight: 146.15

CAS Number: 253-52-1
Chemical Name: Phthalazine
Molecular Formula: C8H6N2
Molecular Weight: 130.15

CAS Number: 304-20-1
Chemical Name: Hydralazine Hydrochloride
Molecular Formula: C8H9ClN4
Molecular Weight: 196.64