1207550-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1207550-42-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,7,5,5 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1207550-42:
(9*1)+(8*2)+(7*0)+(6*7)+(5*5)+(4*5)+(3*0)+(2*4)+(1*2)=122
122 % 10 = 2
So 1207550-42-2 is a valid CAS Registry Number.