67342-15-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67342-15-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,3,4 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 67342-15:
(7*6)+(6*7)+(5*3)+(4*4)+(3*2)+(2*1)+(1*5)=128
128 % 10 = 8
So 67342-15-8 is a valid CAS Registry Number.