102730-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102730-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,7,3 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 102730-18:
(8*1)+(7*0)+(6*2)+(5*7)+(4*3)+(3*0)+(2*1)+(1*8)=77
77 % 10 = 7
So 102730-18-7 is a valid CAS Registry Number.