4842-15-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4842-15-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,4 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4842-15:
(6*4)+(5*8)+(4*4)+(3*2)+(2*1)+(1*5)=93
93 % 10 = 3
So 4842-15-3 is a valid CAS Registry Number.