102026-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102026-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,0,2 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 102026-90:
(8*1)+(7*0)+(6*2)+(5*0)+(4*2)+(3*6)+(2*9)+(1*0)=64
64 % 10 = 4
So 102026-90-4 is a valid CAS Registry Number.