198337-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 198337-26-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,3,3 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 198337-26:
(8*1)+(7*9)+(6*8)+(5*3)+(4*3)+(3*7)+(2*2)+(1*6)=177
177 % 10 = 7
So 198337-26-7 is a valid CAS Registry Number.