671207-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 671207-19-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,1,2,0 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 671207-19:
(8*6)+(7*7)+(6*1)+(5*2)+(4*0)+(3*7)+(2*1)+(1*9)=145
145 % 10 = 5
So 671207-19-5 is a valid CAS Registry Number.