64791-32-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64791-32-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,7,9 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 64791-32:
(7*6)+(6*4)+(5*7)+(4*9)+(3*1)+(2*3)+(1*2)=148
148 % 10 = 8
So 64791-32-8 is a valid CAS Registry Number.
InChI:InChI=1/C30H21N7O7S.2Na/c31-17-4-1-16-11-26(45(42,43)44)27(28(39)21(16)12-17)37-36-20-7-9-23-24(14-20)33-29(32-23)15-2-5-18(6-3-15)34-35-19-8-10-25(38)22(13-19)30(40)41;;/h1-14,34,36H,31H2,(H,32,33)(H,40,41)(H,42,43,44);;/q;2*+1/p-2/b35-19-,37-27+;;