102540-82-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102540-82-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,5,4 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 102540-82:
(8*1)+(7*0)+(6*2)+(5*5)+(4*4)+(3*0)+(2*8)+(1*2)=79
79 % 10 = 9
So 102540-82-9 is a valid CAS Registry Number.