89923-45-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89923-45-5 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 5 respectively.
Calculate Digit Verification of CAS Registry Number 89923-45:
(7*8)+(6*9)+(5*9)+(4*2)+(3*3)+(2*4)+(1*5)=185
185 % 10 = 5
So 89923-45-5 is a valid CAS Registry Number.
InChI:InChI=1/C34H25Cl3N10O11S3.3Na/c1-16-13-20(38-31-28(35)30(36)40-34(37)41-31)7-10-23(16)43-42-19-5-3-18(4-6-19)32(48)39-21-8-11-24(27(14-21)61(56,57)58)44-45-29-17(2)46-47(33(29)49)25-15-22(59(50,51)52)9-12-26(25)60(53,54)55;;;/h3-15,29H,1-2H3,(H,39,48)(H,38,40,41)(H,50,51,52)(H,53,54,55)(H,56,57,58);;;/q;3*+1/p-3/b43-42+,45-44+;;;