68239-71-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68239-71-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,2,3 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 68239-71:
(7*6)+(6*8)+(5*2)+(4*3)+(3*9)+(2*7)+(1*1)=154
154 % 10 = 4
So 68239-71-4 is a valid CAS Registry Number.
InChI:InChI=1/C40H50Cl4N4O3/c1-3-5-6-7-8-9-10-11-12-13-14-15-16-18-28-19-17-20-31(23-28)51-36(4-2)40(50)45-30-21-22-32(42)35(26-30)46-37-27-38(49)48(47-37)39-33(43)24-29(41)25-34(39)44/h17,19-26,36H,3-16,18,27H2,1-2H3,(H,45,50)(H,46,47)