25663-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25663-23-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,6,6 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 25663-23:
(7*2)+(6*5)+(5*6)+(4*6)+(3*3)+(2*2)+(1*3)=114
114 % 10 = 4
So 25663-23-4 is a valid CAS Registry Number.
InChI:InChI=1/C21H24N8O5/c1-10(14-9-24-18-16(25-14)17(22)27-21(23)28-18)29(2)12-5-3-11(4-6-12)19(32)26-13(20(33)34)7-8-15(30)31/h3-6,9-10,13H,7-8H2,1-2H3,(H,26,32)(H,30,31)(H,33,34)(H4,22,23,24,27,28)/t10?,13-/m0/s1