34890-62-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34890-62-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,8,9 and 0 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 34890-62:
(7*3)+(6*4)+(5*8)+(4*9)+(3*0)+(2*6)+(1*2)=135
135 % 10 = 5
So 34890-62-5 is a valid CAS Registry Number.