342786-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342786-54-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,7,8 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 342786-54:
(8*3)+(7*4)+(6*2)+(5*7)+(4*8)+(3*6)+(2*5)+(1*4)=163
163 % 10 = 3
So 342786-54-3 is a valid CAS Registry Number.