849142-69-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 849142-69-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,9,1,4 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 849142-69:
(8*8)+(7*4)+(6*9)+(5*1)+(4*4)+(3*2)+(2*6)+(1*9)=194
194 % 10 = 4
So 849142-69-4 is a valid CAS Registry Number.