90883-74-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90883-74-2 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 4 respectively.
Calculate Digit Verification of CAS Registry Number 90883-74:
(7*9)+(6*0)+(5*8)+(4*8)+(3*3)+(2*7)+(1*4)=162
162 % 10 = 2
So 90883-74-2 is a valid CAS Registry Number.
InChI:InChI=1/C38H29N7O5/c1-20-16-23(12-14-29(20)43-45-33-26-11-7-5-9-22(26)18-28(35(33)47)37(49)40-3)38-41-30-15-13-24(19-31(30)50-38)42-44-32-25-10-6-4-8-21(25)17-27(34(32)46)36(48)39-2/h4-19,42-43H,1-3H3,(H,39,48)(H,40,49)/b44-32-,45-33-