17741-62-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17741-62-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,7,4 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 17741-62:
(7*1)+(6*7)+(5*7)+(4*4)+(3*1)+(2*6)+(1*2)=117
117 % 10 = 7
So 17741-62-7 is a valid CAS Registry Number.
InChI:InChI=1/C16H14Cl2N4O4S/c17-14-9-13(22(23)24)10-15(18)16(14)20-19-11-1-3-12(4-2-11)21-5-7-27(25,26)8-6-21/h1-4,9-10H,5-8H2/b20-19+