90883-70-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90883-70-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,8 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 90883-70:
(7*9)+(6*0)+(5*8)+(4*8)+(3*3)+(2*7)+(1*0)=158
158 % 10 = 8
So 90883-70-8 is a valid CAS Registry Number.
InChI:InChI=1/C37H27N7O5/c1-38-35(47)27-17-21-7-3-5-9-25(21)31(33(27)45)43-41-23-13-11-20(12-14-23)37-40-29-16-15-24(19-30(29)49-37)42-44-32-26-10-6-4-8-22(26)18-28(34(32)46)36(48)39-2/h3-19,41-42H,1-2H3,(H,38,47)(H,39,48)/b43-31-,44-32-