1245642-56-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1245642-56-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,5,6,4 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1245642-56:
(9*1)+(8*2)+(7*4)+(6*5)+(5*6)+(4*4)+(3*2)+(2*5)+(1*6)=151
151 % 10 = 1
So 1245642-56-1 is a valid CAS Registry Number.