207673-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 207673-25-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,6,7 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 207673-25:
(8*2)+(7*0)+(6*7)+(5*6)+(4*7)+(3*3)+(2*2)+(1*5)=134
134 % 10 = 4
So 207673-25-4 is a valid CAS Registry Number.