334678-81-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 334678-81-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,4,6,7 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 334678-81:
(8*3)+(7*3)+(6*4)+(5*6)+(4*7)+(3*8)+(2*8)+(1*1)=168
168 % 10 = 8
So 334678-81-8 is a valid CAS Registry Number.