12503-53-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12503-53-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,5,0 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 12503-53:
(7*1)+(6*2)+(5*5)+(4*0)+(3*3)+(2*5)+(1*3)=66
66 % 10 = 6
So 12503-53-6 is a valid CAS Registry Number.
InChI:InChI=1/Ni.S/q+2;-2