13659-13-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13659-13-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,6,5 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 13659-13:
(7*1)+(6*3)+(5*6)+(4*5)+(3*9)+(2*1)+(1*3)=107
107 % 10 = 7
So 13659-13-7 is a valid CAS Registry Number.
InChI:InChI=1/C12H8BrClO3S/c13-9-6-7-12(11(14)8-9)17-18(15,16)10-4-2-1-3-5-10/h1-8H