157918-73-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157918-73-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,9,1 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 157918-73:
(8*1)+(7*5)+(6*7)+(5*9)+(4*1)+(3*8)+(2*7)+(1*3)=175
175 % 10 = 5
So 157918-73-5 is a valid CAS Registry Number.
InChI:InChI=1/C20H26F4N6O/c21-14-13(15(22)17(24)18(16(14)23)29-30-26)20(31)28-11-7-2-1-6-10-27-19(25)12-8-4-3-5-9-12/h12H,1-11H2,(H2,25,27)(H,28,31)