1263284-56-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1263284-56-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,3,2,8 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1263284-56:
(9*1)+(8*2)+(7*6)+(6*3)+(5*2)+(4*8)+(3*4)+(2*5)+(1*6)=155
155 % 10 = 5
So 1263284-56-5 is a valid CAS Registry Number.