34678-12-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34678-12-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,6,7 and 8 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 34678-12:
(7*3)+(6*4)+(5*6)+(4*7)+(3*8)+(2*1)+(1*2)=131
131 % 10 = 1
So 34678-12-1 is a valid CAS Registry Number.