102661-84-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102661-84-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,6,6 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 102661-84:
(8*1)+(7*0)+(6*2)+(5*6)+(4*6)+(3*1)+(2*8)+(1*4)=97
97 % 10 = 7
So 102661-84-7 is a valid CAS Registry Number.