Top Suppliers:I want be here

15997-62-3

15997-62-3 structure
15997-62-3 structure

Name (2,6-dioxo-3H-pyran-4-yl) acetate
Synonyms 3-acetoxy-pent-2-enedioic acid anhydride
2,6-dioxo-3,6-dihydro-2H-pyran-4-yl acetate
4-Acetoxy-2,3-dihydro-2H-pyran-2,6-dion
2H-Pyran-2,6(3H)-dione,4-(acetyloxy)
4-Acetoxypyran-2,6(3H)-dion
4-acetyloxy-2H,3H-pyran-2,6-dione
ACETIC ACID 2,6-DIOXO-3,6-DIHYDRO-2H-PYRAN-4-YL ESTER
4-acetoxy-2H,3H-pyrane-2,6-dione
Glutaconicanhydride,3-hydroxy-,acetate (8CI)
Density 1.38g/cm3
Boiling Point 321.6ºC at 760 mmHg
Molecular Formula C7H6O5
Molecular Weight 170.12000
Flash Point 145.5ºC
Exact Mass 170.02200
PSA 69.67000
Vapour Pressure 0.000294mmHg at 25°C
Index of Refraction 1.495
HS Code 2917190090

~78%

15997-62-3 structure

15997-62-3

Literature: GILEAD SCIENCES, INC.; LI, Wenjie; DE CROOS, Philomen; FANDRICK, Keith, R.; GAO, Joe, Ju; HADDAD, Nizar; LU, Zhi-Hui; QU, Bo; RODRIGUEZ, Sonia; SENANAYAKE, Chris, H.; ZHANG, Yongda; TANG, Wenjun Patent: WO2012/138670 A1, 2012 ; Location in patent: Page/Page column 58 ; WO 2012/138670 A1
Precursor  2

DownStream  1

HS Code 2917190090
Summary 2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%