4911-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4911-42-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,1 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4911-42:
(6*4)+(5*9)+(4*1)+(3*1)+(2*4)+(1*2)=86
86 % 10 = 6
So 4911-42-6 is a valid CAS Registry Number.