139122-47-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139122-47-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,2 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 139122-47:
(8*1)+(7*3)+(6*9)+(5*1)+(4*2)+(3*2)+(2*4)+(1*7)=117
117 % 10 = 7
So 139122-47-7 is a valid CAS Registry Number.