Imatinib Mesylate

Imatinib free base [CAS# 152459-95-5] & Intermediates 
4-(4-methylpiperazinomethyl)benzoyl chloride dihydrochloride
4-(chloromethyl)-N-4-methyl-3-[(4-(3-pyridinyl)-2-pyrimidinyl)amino]phenylbenzamide
Cas number: 404844-11-7, (404844-10-6 for HCl salt)
N-(5-Amino-2-methyl phenyl)-4-(3-pyridyl)-2-pyrimidineamine
Cas number: 152460-10-1
N-(2-methyl-5-nitrophenyl)-4-(3-pyridyl)-2-pyrimidineamine
Cas number: 152460-09-8
2-dimethylamino-1-(3-pyridyl)-2-propene-1-one
Cas number: 55314-16-4 (unspec), 75415-01-9 (Z), 123367-26-0 (E)
2-Methyl-5-nitro phenyl guanidine nitrate
Cas number: 152460-08-7, (152460-07-6 for free base)