68542-93-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68542-93-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,5,4 and 2 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 68542-93:
(7*6)+(6*8)+(5*5)+(4*4)+(3*2)+(2*9)+(1*3)=158
158 % 10 = 8
So 68542-93-8 is a valid CAS Registry Number.
InChI:InChI=1/C25H25N3O6/c1-16-12-23(30)34-21-13-18(9-10-19(16)21)27-24(31)20-8-5-11-28(20)22(29)14-26-25(32)33-15-17-6-3-2-4-7-17/h2-4,6-7,9-10,12-13,20H,5,8,11,14-15H2,1H3,(H,26,32)(H,27,31)/t20-/m0/s1