34969-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34969-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,9,6 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 34969-90:
(7*3)+(6*4)+(5*9)+(4*6)+(3*9)+(2*9)+(1*0)=159
159 % 10 = 9
So 34969-90-9 is a valid CAS Registry Number.