2498-95-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2498-95-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,9 and 8 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2498-95:
(6*2)+(5*4)+(4*9)+(3*8)+(2*9)+(1*5)=115
115 % 10 = 5
So 2498-95-5 is a valid CAS Registry Number.
InChI:InChI=1/C27H24N4O7S3.2Na/c1-17-3-12-23-24(25(17)41(36,37)38)39-27(30-23)19-6-8-21(9-7-19)29-26(32)20(16-28)15-18-4-10-22(11-5-18)31(2)13-14-40(33,34)35;;/h3-12,15H,13-14H2,1-2H3,(H,29,32)(H,33,34,35)(H,36,37,38);;/q;2*+1/p-2/b20-15+;;