142023-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142023-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,0,2 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 142023-57:
(8*1)+(7*4)+(6*2)+(5*0)+(4*2)+(3*3)+(2*5)+(1*7)=82
82 % 10 = 2
So 142023-57-2 is a valid CAS Registry Number.
InChI:InChI=1/C33H37Cl2N5O4/c1-4-6-8-18-39(33(44)36-3)23-14-17-26-27(19-23)40(28(38-26)9-7-5-2)20-21-10-12-22(13-11-21)37-31(41)29-24(34)15-16-25(35)30(29)32(42)43/h10-17,19H,4-9,18,20H2,1-3H3,(H,36,44)(H,37,41)(H,42,43)