94199-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94199-57-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,1,9 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 94199-57:
(7*9)+(6*4)+(5*1)+(4*9)+(3*9)+(2*5)+(1*7)=172
172 % 10 = 2
So 94199-57-2 is a valid CAS Registry Number.
InChI:InChI=1/C25H20N4O5/c1-2-34-22-14-8-6-12-20(22)26-25(31)18-15-16-9-3-4-10-17(16)23(24(18)30)28-27-19-11-5-7-13-21(19)29(32)33/h3-15,27H,2H2,1H3,(H,26,31)/b28-23-