87731-18-8 Usage
Flammability and Explosibility
Nonflammable
Check Digit Verification of cas no
The CAS Registry Mumber 87731-18-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,3 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 87731-18:
(7*8)+(6*7)+(5*7)+(4*3)+(3*1)+(2*1)+(1*8)=158
158 % 10 = 8
So 87731-18-8 is a valid CAS Registry Number.