349090-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 349090-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,9,0,9 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 349090-81:
(8*3)+(7*4)+(6*9)+(5*0)+(4*9)+(3*0)+(2*8)+(1*1)=159
159 % 10 = 9
So 349090-81-9 is a valid CAS Registry Number.