5101-68-8 Usage
General Description
Diphenylmethane-4,4'-diisocyanate, also known as MDI, is a highly reactive chemical compound commonly used in the production of polyurethane foams, elastomers, adhesives, coatings, and sealants. MDI is comprised of two isocyanate functional groups, making it a key building block in the creation of polyurethane products. It is a potent respiratory irritant and sensitizer, posing health risks to workers and individuals exposed to its fumes or dust. Due to its reactivity, MDI must be handled and used with caution to prevent exposure and adverse health effects. Nevertheless, its versatility and properties make it an important and widely utilized chemical in various industries.
Check Digit Verification of cas no
The CAS Registry Mumber 5101-68-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,0 and 1 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5101-68:
(6*5)+(5*1)+(4*0)+(3*1)+(2*6)+(1*8)=58
58 % 10 = 8
So 5101-68-8 is a valid CAS Registry Number.