1026434-87-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1026434-87-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,6,4,3 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1026434-87:
(9*1)+(8*0)+(7*2)+(6*6)+(5*4)+(4*3)+(3*4)+(2*8)+(1*7)=126
126 % 10 = 6
So 1026434-87-6 is a valid CAS Registry Number.