13968-51-9 Usage
General Description
Thallium is a chemical element with the symbol Tl and atomic number 81. It is a soft, malleable, and highly toxic metal that is often used in the production of optical lenses, semiconductors, and electronic devices. Thallium compounds were once used in rat poisons and insecticides, but their use has been largely discontinued due to the severe health risks they pose. Exposure to thallium can cause various health issues, including nerve damage, gastrointestinal problems, hair loss, and in severe cases, death. Due to its toxicity, thallium is classified as a hazardous substance and proper precautions should be taken when handling it.
Check Digit Verification of cas no
The CAS Registry Mumber 13968-51-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,9,6 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13968-51:
(7*1)+(6*3)+(5*9)+(4*6)+(3*8)+(2*5)+(1*1)=129
129 % 10 = 9
So 13968-51-9 is a valid CAS Registry Number.
