9,10-Anthracenedione, 1,4-diamino-2-chloro-3-phenoxy-, also known as 1,4-Diamino-2-chloro-3-phenoxyanthraquinone, is a chemical compound with the molecular formula C16H11ClN2O2. It is a derivative of anthraquinone, a type of organic compound with a fused benzene and pyrone ring system. This specific compound features two amino groups at the 1 and 4 positions, a chloro group at the 2 position, and a phenoxy group at the 3 position. It is used as an intermediate in the synthesis of various dyes and pigments, particularly those with anthraquinone-based structures. Due to its chemical properties, it is important to handle 9,10-Anthracenedione, 1,4-diamino-2-chloro-3-phenoxy- with care, as it may have potential health and environmental impacts.
The CAS Registry Mumber 91381-21-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,8 and 1 respectively; the second part has 2 digits, 2 and 1 respectively. Calculate Digit Verification of CAS Registry Number 91381-21: (7*9)+(6*1)+(5*3)+(4*8)+(3*1)+(2*2)+(1*1)=124 124 % 10 = 4 So 91381-21-4 is a valid CAS Registry Number.