34561-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34561-05-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,5,6 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 34561-05:
(7*3)+(6*4)+(5*5)+(4*6)+(3*1)+(2*0)+(1*5)=102
102 % 10 = 2
So 34561-05-2 is a valid CAS Registry Number.