194218-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 194218-93-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,2,1 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 194218-93:
(8*1)+(7*9)+(6*4)+(5*2)+(4*1)+(3*8)+(2*9)+(1*3)=154
154 % 10 = 4
So 194218-93-4 is a valid CAS Registry Number.