26545-58-4 Usage
Uses
Disodium methylenebisnaphthalenesulfonate is a useful research chemical compound.
Check Digit Verification of cas no
The CAS Registry Mumber 26545-58-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,5,4 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 26545-58:
(7*2)+(6*6)+(5*5)+(4*4)+(3*5)+(2*5)+(1*8)=124
124 % 10 = 4
So 26545-58-4 is a valid CAS Registry Number.
InChI:InChI=1/C21H16O6S2.2Na/c22-28(23,24)20-16(11-9-14-5-1-3-7-18(14)20)13-17-12-10-15-6-2-4-8-19(15)21(17)29(25,26)27;;/h1-12H,13H2,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2