934343-42-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 934343-42-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,3,4 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 934343-42:
(8*9)+(7*3)+(6*4)+(5*3)+(4*4)+(3*3)+(2*4)+(1*2)=167
167 % 10 = 7
So 934343-42-7 is a valid CAS Registry Number.