34811-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34811-99-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,8,1 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 34811-99:
(7*3)+(6*4)+(5*8)+(4*1)+(3*1)+(2*9)+(1*9)=119
119 % 10 = 9
So 34811-99-9 is a valid CAS Registry Number.