117685-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117685-73-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,8 and 5 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 117685-73:
(8*1)+(7*1)+(6*7)+(5*6)+(4*8)+(3*5)+(2*7)+(1*3)=151
151 % 10 = 1
So 117685-73-1 is a valid CAS Registry Number.
InChI:InChI=1/C21H26IN5O4/c1-13(25-12-20(30)15-4-6-18(28)19(29)11-15)2-7-21(31)24-9-8-14-3-5-17(26-27-23)16(22)10-14/h3-6,10-11,13,20,25,28-30H,2,7-9,12H2,1H3,(H,24,31)