102054-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102054-23-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,0,5 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 102054-23:
(8*1)+(7*0)+(6*2)+(5*0)+(4*5)+(3*4)+(2*2)+(1*3)=59
59 % 10 = 9
So 102054-23-9 is a valid CAS Registry Number.