89923-44-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89923-44-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,2 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 89923-44:
(7*8)+(6*9)+(5*9)+(4*2)+(3*3)+(2*4)+(1*4)=184
184 % 10 = 4
So 89923-44-4 is a valid CAS Registry Number.
InChI:InChI=1/C31H24FN7O10S3.3Na/c1-2-16-6-3-4-8-22(16)34-31-36-29(32)35-30(37-31)33-18-10-11-19-17(14-18)15-25(51(44,45)46)26(27(19)40)39-38-23-13-12-20-21(28(23)52(47,48)49)7-5-9-24(20)50(41,42)43;;;/h3-15,38H,2H2,1H3,(H,41,42,43)(H,44,45,46)(H,47,48,49)(H2,33,34,35,36,37);;;/q;3*+1/p-3/b39-26-;;;