934293-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 934293-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,2,9 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 934293-55:
(8*9)+(7*3)+(6*4)+(5*2)+(4*9)+(3*3)+(2*5)+(1*5)=187
187 % 10 = 7
So 934293-55-7 is a valid CAS Registry Number.