122555-34-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 122555-34-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,5,5 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 122555-34:
(8*1)+(7*2)+(6*2)+(5*5)+(4*5)+(3*5)+(2*3)+(1*4)=104
104 % 10 = 4
So 122555-34-4 is a valid CAS Registry Number.