Chinese Manufacturer supply CI 15511 131-28-2 in stock with high standard

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CI 15511

CAS No.:131-28-2
Purity:99%

Chinese Manufacturer supply CI 15511 131-28-2 in stock with high standard

Molecular Formula:C23H27 N O8
Molecular Weight:445.469
Vapor Pressure:3.26E-15mmHg at 25°C
Melting Point:138°; mp 176°
Refractive Index:1.5614 (estimate)
Boiling Point:599.3 °C at 760 mmHg
PKA:pKb (20°) = 10.7, pKa = 9.3
Flash Point:316.3 °C
PSA：103.76000
Density:1.271 g/cm³
LogP:2.66880

CI 15511(Cas 131-28-2) Usage

Purification Methods

Recrystallise Narcein from water (as trihydrate). The styphnate has m 185-189o (from EtOH), and the picrate has m 200o (from EtOH). [Beilstein 19 H 370, 19 I 797, 19 II 386, 19 IV 4382.]

InChI:InChI=1/C23H27NO8/c1-24(2)9-8-13-10-18-22(32-12-31-18)20(29-4)15(13)11-16(25)14-6-7-17(28-3)21(30-5)19(14)23(26)27/h6-7,10H,8-9,11-12H2,1-5H3,(H,26,27)

131-28-2 Relevant articles

Secophthalideisoquinolines

Blasko, Gabor,Elango, Varadaraj,Sener, Bilge,Freyer, Alan J.,Shamma, Maurice

, p. 880 - 885 (2007/10/02)

The secophthalideisoquinolines can be su...

131-28-2 Process route

: 51606-51-0
5-(4,5-dimethoxy-3-oxo-1,3-dihydroisobenzofuran-1-yl)-4-methoxy-6,6-dimethyl-5,6,7,8-tetrahydro[1,3]dioxolo[4,5-g]isoquinolin-6-ium iodide

: 131-28-2
Narcein

Conditions

Conditions	Yield
With sodium hydroxide; In dichloromethane; for 0.25h;	76%

: 131-28-2
Narcein

Conditions

Conditions	Yield
With pyridine; water;

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water