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Methyl-o-phenylenphosphat, also known as methyl o-phenylphosphonate, is an organophosphorus compound with the chemical formula C7H9O2P. It is a colorless liquid that is soluble in organic solvents and has a molecular weight of 154.12 g/mol. Methyl-o-phenylenphosphat is formed by the reaction of o-phenylenediamine with phosphorus trichloride, followed by the addition of methanol. Methyl-o-phenylenphosphat is primarily used as an intermediate in the synthesis of various organophosphorus compounds, such as flame retardants, pesticides, and pharmaceuticals. Due to its potential toxicity and environmental impact, it is essential to handle and dispose of this chemical with proper safety measures and regulations.

702-86-3

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702-86-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 702-86-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,0 and 2 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 702-86:
(5*7)+(4*0)+(3*2)+(2*8)+(1*6)=63
63 % 10 = 3
So 702-86-3 is a valid CAS Registry Number.

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