1025640-65-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1025640-65-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,5,6,4 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1025640-65:
(9*1)+(8*0)+(7*2)+(6*5)+(5*6)+(4*4)+(3*0)+(2*6)+(1*5)=116
116 % 10 = 6
So 1025640-65-6 is a valid CAS Registry Number.