6409-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6409-25-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,0 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6409-25:
(6*6)+(5*4)+(4*0)+(3*9)+(2*2)+(1*5)=92
92 % 10 = 2
So 6409-25-2 is a valid CAS Registry Number.
InChI:InChI=1/C32H25N9O7S2.2Na/c33-18-2-11-29(27(35)14-18)40-38-21-3-1-17-13-30(50(46,47)48)31(32(42)24(17)15-21)41-37-20-6-4-19(5-7-20)36-39-28-12-10-26(34)23-9-8-22(16-25(23)28)49(43,44)45;;/h1-16,37H,33-35H2,(H,43,44,45)(H,46,47,48);;/q;2*+1/p-2/b39-36+,40-38+,41-31-;;