4 Amino 2 Chloro-6-7 Dimethoxy Quinazoline is accessible in off white or white solid form. It has more than 260 degree C melting point and its molecular weight is 239.66. This pharmaceutical grade substance slightly dilutes in dimethyl sulfoxide and also in methanol when heated. 4 Amino 2 Chloro-6-7 Dimethoxy Quinazoline acts as an effective intermediate during production of Terazosin. This substance needs to be stored at -20 degree C temperature. Its molecular weight is 239.66. Standard of this substance has been verified on the basis of its storage life, formulation method, content, purity level, molecular weight and medicinal attributes.