190841-61-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 190841-61-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,8,4 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 190841-61:
(8*1)+(7*9)+(6*0)+(5*8)+(4*4)+(3*1)+(2*6)+(1*1)=143
143 % 10 = 3
So 190841-61-3 is a valid CAS Registry Number.