1,2-Benzo-coronen-dicarbonsaeure-(3,4)-anhydrid, also known as 1,2-benzisochroman-3,4-dione, is an organic compound with the chemical formula C9H6O3. It is a white crystalline solid that is derived from the benzene ring and isochroman structure. 1,2-Benzo-coronen-dicarbonsaeure-(3,4)-anhydrid is characterized by the presence of two carbonyl groups (C=O) at the 3 and 4 positions, which are connected to the benzene ring through a carbon-carbon double bond. 1,2-Benzo-coronen-dicarbonsaeure-(3,4)-anhydrid is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly those containing the isochromanone core structure. It is also used in the preparation of dyes and pigments. Due to its reactivity, it is essential to handle 1,2-Benzo-coronen-dicarbonsaeure-(3,4)-anhydrid with care, following proper safety protocols.
The CAS Registry Mumber 5914-60-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,1 and 4 respectively; the second part has 2 digits, 6 and 0 respectively. Calculate Digit Verification of CAS Registry Number 5914-60: (6*5)+(5*9)+(4*1)+(3*4)+(2*6)+(1*0)=103 103 % 10 = 3 So 5914-60-3 is a valid CAS Registry Number.