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Tris-(diaethylamino)-trityl-phosphoniumjodid, also known as TDTP, is a complex organic compound with the chemical formula C37H44IPN3. It is a phosphonium salt that consists of a trityl group (a tricyclic aromatic system) attached to a phosphonium ion, which is further stabilized by three diethylamino groups. TDTP is known for its unique photophysical properties, such as strong fluorescence and photostability, making it a potential candidate for applications in areas like bioimaging, sensing, and materials science. The compound's structure and properties allow it to interact with various molecules and environments, which can be exploited for specific chemical and biological assays.

18720-01-9

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18720-01-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18720-01-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,7,2 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18720-01:
(7*1)+(6*8)+(5*7)+(4*2)+(3*0)+(2*0)+(1*1)=99
99 % 10 = 9
So 18720-01-9 is a valid CAS Registry Number.

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