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(3-Methoxy-phenyl)-phenyl-phosphin, also known as 3-methoxyphenyl diphenylphosphine, is an organophosphorus compound with the chemical formula C13H13O2P. It is a colorless to pale yellow solid that is soluble in organic solvents. (3-Methoxy-phenyl)-phenyl-phosphin is characterized by the presence of a phosphorus atom bonded to two phenyl groups and a methoxy group attached to one of the phenyl rings. It is used in various applications, including as a ligand in coordination chemistry, a reagent in organic synthesis, and a precursor in the production of other organophosphorus compounds. Due to its phosphorus-carbon bond, it is also of interest in the field of materials science for potential use in the development of new phosphorus-containing materials.

2129-81-9

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2129-81-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2129-81-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,2 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2129-81:
(6*2)+(5*1)+(4*2)+(3*9)+(2*8)+(1*1)=69
69 % 10 = 9
So 2129-81-9 is a valid CAS Registry Number.

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