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Butyl phosphorodifluoridite, also known as n-butyl phosphorodifluoridite or n-BPDoF, is an organophosphorus compound with the chemical formula C4H9POF2. It is a colorless liquid at room temperature and is used as a flame retardant and plasticizer in various applications, including plastics, rubber, and textiles. The compound is known for its ability to reduce the flammability of materials by interfering with the combustion process. It is also used in the production of certain pesticides and as a chemical intermediate in the synthesis of other organophosphorus compounds. Due to its potential health and environmental risks, handling and disposal of butyl phosphorodifluoridite must be done with proper safety measures and in accordance with local regulations.

693-00-5

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693-00-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 693-00-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,9 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 693-00:
(5*6)+(4*9)+(3*3)+(2*0)+(1*0)=75
75 % 10 = 5
So 693-00-5 is a valid CAS Registry Number.

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