19091-98-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19091-98-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,0,9 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 19091-98:
(7*1)+(6*9)+(5*0)+(4*9)+(3*1)+(2*9)+(1*8)=126
126 % 10 = 6
So 19091-98-6 is a valid CAS Registry Number.