70210-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70210-44-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,1 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 70210-44:
(7*7)+(6*0)+(5*2)+(4*1)+(3*0)+(2*4)+(1*4)=75
75 % 10 = 5
So 70210-44-5 is a valid CAS Registry Number.
InChI:InChI=1/C36H27N11O8.Na/c1-18-33(35(53)47-38-18)46-40-22-8-6-20(7-9-22)37-34(52)19-2-4-21(5-3-19)39-43-27-16-28(32(51)17-31(27)50)45-44-26-15-24(11-13-30(26)49)42-41-23-10-12-29(48)25(14-23)36(54)55;/h2-17,33,40,42,46,51H,1H3,(H,37,52)(H,47,53)(H,54,55);/q;+1/p-1/b41-23+,43-39+,44-26-,45-28-;