142543-92-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142543-92-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,5,4 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 142543-92:
(8*1)+(7*4)+(6*2)+(5*5)+(4*4)+(3*3)+(2*9)+(1*2)=118
118 % 10 = 8
So 142543-92-8 is a valid CAS Registry Number.