28320-33-4 Usage
General Description
2-bromo-7-nitro-9,9-dimethyl-9H-fluorene is a chemical compound with the molecular formula C15H11BrN2O2. It is a derivative of fluorene and contains a bromine atom, a nitro group, and two methyl groups. It is commonly used in organic synthesis and research, particularly in the development of new materials and pharmaceuticals. The compound's unique structure and functional groups make it useful in a variety of applications, including as a building block in the synthesis of more complex molecules. Additionally, its properties make it of interest in the field of organic chemistry and materials science.
Check Digit Verification of cas no
The CAS Registry Mumber 28320-33-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,3,2 and 0 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 28320-33:
(7*2)+(6*8)+(5*3)+(4*2)+(3*0)+(2*3)+(1*3)=94
94 % 10 = 4
So 28320-33-4 is a valid CAS Registry Number.