371198-97-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 371198-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,1,1,9 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 371198-97:
(8*3)+(7*7)+(6*1)+(5*1)+(4*9)+(3*8)+(2*9)+(1*7)=169
169 % 10 = 9
So 371198-97-9 is a valid CAS Registry Number.