102442-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102442-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,4,4 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 102442-05:
(8*1)+(7*0)+(6*2)+(5*4)+(4*4)+(3*2)+(2*0)+(1*5)=67
67 % 10 = 7
So 102442-05-7 is a valid CAS Registry Number.