157771-56-7 Usage
General Description
2,7-Dibromo-9,9-di(1-propyl)-9H-fluorene is a chemical compound with the molecular formula C25H28Br2. It is a derivative of fluorene, which is a polycyclic aromatic hydrocarbon. This chemical is mainly used in organic synthesis and as a building block for the preparation of various functional materials. It has a high melting point and is insoluble in water, but soluble in organic solvents such as ethanol and ether. Its structure and properties make it useful in the production of organic electronic devices, polymers, and other advanced materials. Additionally, it has potential applications in the fields of pharmaceuticals, agrochemicals, and dyes.
Check Digit Verification of cas no
The CAS Registry Mumber 157771-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,7,7 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 157771-56:
(8*1)+(7*5)+(6*7)+(5*7)+(4*7)+(3*1)+(2*5)+(1*6)=167
167 % 10 = 7
So 157771-56-7 is a valid CAS Registry Number.