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Fluorosulfonyldifluoroacetic anhydride, also known as FSO2CF(CF3)COF, is a highly reactive and toxic chemical compound. It is a colorless liquid with a pungent odor and is used as a fluorinating and chlorinating agent in organic synthesis. Due to its reactivity, it can cause severe skin burns and eye damage, and may also be harmful if inhaled or ingested. It is important to handle this chemical with extreme caution and proper safety measures, as it can pose significant health risks and environmental hazards.

377-77-5

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377-77-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 377-77-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,7 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 377-77:
(5*3)+(4*7)+(3*7)+(2*7)+(1*7)=85
85 % 10 = 5
So 377-77-5 is a valid CAS Registry Number.

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