33795-18-5 Usage
General Description
4-Hydroxyphenyl phosphonic acid is a chemical compound with the molecular formula C6H7O4P. It is an organophosphorus compound that is used in various industrial applications, including as a flame retardant, corrosion inhibitor, and as a chelating agent in metal ion binding. It is also used in the synthesis of pharmaceuticals and agrochemicals. 4-Hydroxyphenyl phosphonic acid is a white crystalline solid that is soluble in water and has a molecular structure similar to phenolic compounds. Its ability to bind to metal ions and its flame retardant properties make it an important component in various commercial products.
Check Digit Verification of cas no
The CAS Registry Mumber 33795-18-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,7,9 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 33795-18:
(7*3)+(6*3)+(5*7)+(4*9)+(3*5)+(2*1)+(1*8)=135
135 % 10 = 5
So 33795-18-5 is a valid CAS Registry Number.
InChI:InChI=1/C6H7O4P/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4,7H,(H2,8,9,10)
33795-18-5Relevant articles and documents
PROCESSES FOR THE PREPARATION OF CALIXARENE DERIVATIVES
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, (2009/01/24)
The present invention relates to a process for the preparation of calix[n]arene derivatives, in particular phosphonated calix[n]arenes. The present invention also relates to nano-structures of phosphonated calix[n]arenes.
