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2,3,5,6-Tetrabromophenol is a brominated organic compound characterized by the presence of four bromine atoms attached to a benzene ring. It is a white crystalline solid with a molecular formula of C6H2Br4O and a molecular weight of 393.70 g/mol. 2,3,5,6-Tetrabromophenol is primarily used as a chemical intermediate in the synthesis of various brominated flame retardants, pharmaceuticals, and agrochemicals. Due to its high reactivity and potential environmental and health concerns, 2,3,5,6-tetrabromophenol is typically handled with care and is subject to strict regulations in many countries.

1745-99-9

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1745-99-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1745-99-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,4 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1745-99:
(6*1)+(5*7)+(4*4)+(3*5)+(2*9)+(1*9)=99
99 % 10 = 9
So 1745-99-9 is a valid CAS Registry Number.

1745-99-9Downstream Products

1745-99-9Relevant academic research and scientific papers

POLYBROMINATED AROMATIC COMPOUNDS. III. SYNTHESIS OF BROMINE-SUBSTITUTED ANISOLES

Shishkin, V. N.,Tanaseichuk, B. S.,Lapin, K. K.,Ivkina, A. A.,Butin, K. P.

, p. 2357 - 2366 (2007/10/02)

Reliable methods were developed for the synthesis of di-, tri-, and tetrabromoanisoles, and all the possible individual isomers were synthesized.The structures of the isomers were proved by alternative synthesis and spectral methods (PMR, IR).It was shown that the published data are incorrect in a number of cases; either the final product was assigned the incorrect structure, or the published methods led to mixture of the various isomers.

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