1202478-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1202478-42-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,4,7 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1202478-42:
(9*1)+(8*2)+(7*0)+(6*2)+(5*4)+(4*7)+(3*8)+(2*4)+(1*2)=119
119 % 10 = 9
So 1202478-42-9 is a valid CAS Registry Number.