156586-95-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156586-95-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,5,8 and 6 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 156586-95:
(8*1)+(7*5)+(6*6)+(5*5)+(4*8)+(3*6)+(2*9)+(1*5)=177
177 % 10 = 7
So 156586-95-7 is a valid CAS Registry Number.
InChI:InChI=1/C20H22O3.C18H22O.C13H10N2O3S/c1-20(2,3)16-9-5-14(6-10-16)18(21)13-19(22)15-7-11-17(23-4)12-8-15;1-12-5-7-13(8-6-12)11-14-15-9-10-18(4,16(14)19)17(15,2)3;16-19(17,18)10-6-7-11-12(8-10)15-13(14-11)9-4-2-1-3-5-9/h5-12H,13H2,1-4H3;5-8,11,15H,9-10H2,1-4H3;1-8H,(H,14,15)(H,16,17,18)/b;14-11-;