207349-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 207349-42-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,3,4 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 207349-42:
(8*2)+(7*0)+(6*7)+(5*3)+(4*4)+(3*9)+(2*4)+(1*2)=126
126 % 10 = 6
So 207349-42-6 is a valid CAS Registry Number.