5248-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5248-25-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,4 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5248-25:
(6*5)+(5*2)+(4*4)+(3*8)+(2*2)+(1*5)=89
89 % 10 = 9
So 5248-25-9 is a valid CAS Registry Number.
InChI:InChI=1/C12H7ClN2/c13-8-5-6-11-12(7-8)15-10-4-2-1-3-9(10)14-11/h1-7H