(Chloro-difluoro-methyl)-dichloromethyl sulfide, also known as sulfur mustard, is a chemical warfare agent with the chemical formula C2Cl6FS. It is a colorless, oily liquid with a faint, garlic-like odor. (chloro-difluoro-methyl)-dichloromethyl sulfide is highly toxic and can cause severe health issues, including blistering of the skin, respiratory problems, and damage to the eyes. It is classified as a persistent chemical agent due to its ability to remain in the environment for extended periods. The compound is also known for its potential to cause long-term health effects, such as respiratory and skin disorders, as well as an increased risk of cancer. Its use in warfare is prohibited under international law, and efforts are ongoing to detect, decontaminate, and dispose of any remaining stockpiles safely.
The CAS Registry Mumber 2821-99-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,2 and 1 respectively; the second part has 2 digits, 9 and 9 respectively. Calculate Digit Verification of CAS Registry Number 2821-99: (6*2)+(5*8)+(4*2)+(3*1)+(2*9)+(1*9)=90 90 % 10 = 0 So 2821-99-0 is a valid CAS Registry Number.