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Trifluormethylphosphonigsaeure-bis(trifluoressigsaeure)anhydrid, also known as methylphosphonic acid bis(trifluoroacetic anhydride), is a complex organic compound with the chemical formula C5F6H3O6P. It is a colorless, oily liquid that is soluble in organic solvents. Trifluormethylphosphonigsaeure-bis(trifluoressigsaeure)anhydrid is primarily used as a reagent in organic synthesis, particularly in the preparation of various phosphorus-containing compounds. It is also utilized in the synthesis of certain pharmaceuticals and agrochemicals due to its ability to form stable phosphorus-carbon bonds. The compound is sensitive to moisture and should be handled with care, as it can be hazardous and requires proper safety measures during its use and storage.

1682-76-4

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1682-76-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1682-76-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,8 and 2 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1682-76:
(6*1)+(5*6)+(4*8)+(3*2)+(2*7)+(1*6)=94
94 % 10 = 4
So 1682-76-4 is a valid CAS Registry Number.
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