Carbonocyanidic fluoride, also known as cyanogen fluoride or FCN, is a highly toxic and reactive chemical compound with the chemical formula FCN. It is a colorless gas with a pungent odor and is considered a hazardous substance due to its potential to cause severe health issues, including respiratory distress, skin irritation, and damage to the eyes. Carbonocyanidic fluoride is used in the production of certain pharmaceuticals, pesticides, and other chemicals, but its use is strictly regulated due to its toxicity and potential for accidental release. It is also known for its potential use as a chemical warfare agent, although its use in such a capacity is prohibited under international law.
The CAS Registry Mumber 683-55-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,8 and 3 respectively; the second part has 2 digits, 5 and 5 respectively. Calculate Digit Verification of CAS Registry Number 683-55: (5*6)+(4*8)+(3*3)+(2*5)+(1*5)=86 86 % 10 = 6 So 683-55-6 is a valid CAS Registry Number.