15623-66-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15623-66-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,6,2 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 15623-66:
(7*1)+(6*5)+(5*6)+(4*2)+(3*3)+(2*6)+(1*6)=102
102 % 10 = 2
So 15623-66-2 is a valid CAS Registry Number.
InChI:InChI=1/C32H23ClN8O14S4/c33-30-37-31(34-18-6-9-20(10-7-18)56(44,45)46)39-32(38-30)35-19-8-11-22(24(14-19)58(50,51)52)40-41-27-25(59(53,54)55)13-17-12-21(57(47,48)49)15-23(26(17)28(27)42)36-29(43)16-4-2-1-3-5-16/h1-15,40H,(H,36,43)(H,44,45,46)(H,47,48,49)(H,50,51,52)(H,53,54,55)(H2,34,35,37,38,39)/b41-27-