187143-64-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187143-64-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,1,4 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 187143-64:
(8*1)+(7*8)+(6*7)+(5*1)+(4*4)+(3*3)+(2*6)+(1*4)=152
152 % 10 = 2
So 187143-64-2 is a valid CAS Registry Number.