6406-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6406-87-7 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 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6406-87:
(6*6)+(5*4)+(4*0)+(3*6)+(2*8)+(1*7)=97
97 % 10 = 7
So 6406-87-7 is a valid CAS Registry Number.
InChI:InChI=1/C36H25N7O10S3.3Na/c37-21-7-6-20-16-34(56(51,52)53)35(36(44)27(20)17-21)43-42-31-13-15-33(29-19-24(55(48,49)50)9-11-26(29)31)41-40-32-14-12-30(39-38-22-4-2-1-3-5-22)25-10-8-23(18-28(25)32)54(45,46)47;;;/h1-19,42H,37H2,(H,45,46,47)(H,48,49,50)(H,51,52,53);;;/q;3*+1/p-3/b39-38+,41-40+,43-35+;;;