4940-06-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4940-06-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,4 and 0 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4940-06:
(6*4)+(5*9)+(4*4)+(3*0)+(2*0)+(1*6)=91
91 % 10 = 1
So 4940-06-1 is a valid CAS Registry Number.