SINGAPORE, Nov 21 (Reuters) - Asia's gasoline margins inched down on Thursday, even as 200,000 barrels of the benchmark grade of octane exchanged hands at the closing window.

The crack dipped to $5.71 per barrel over Brent crude, after climbing for four straight sessions.

In naphtha, the crack gained $3.39 to $93.82 per metric ton over Brent crude, continuing its climb for the fourth consecutive session.

Singapore's light distillate stocks rose by 1.041 million barrels to a seven week high of 15.165 million barrels in the week ending Nov. 20, data from Enterprise Singapore showed.

U.S. gasoline stocks rose by 2.1 million barrels in the week ending Nov. 15 to 208.9 million barrels, the Energy Information Administration said on Wednesday.

U.S. distillate stockpiles fell by 100,000 barrels in the week to 114.3 million barrels.

NEWS

Oil prices rose on Thursday as Russia and Ukraine launched missiles at each other, overshadowing the impact of a bigger-than-expected increase in U.S. crude inventories.

Sinochem Group may keep three bankrupt oil refineries located in eastern China after auctions to sell them drew little interest from other companies, sources familiar with the matter said.

SINGAPORE CASH DEALS

Four gasoline deals and no naphtha trade.

PRICES

CASH ASIA CLOSE Change Prev Close RIC

OSN Naphtha CFR Japan M1 645.75 3.25 642.50

($/mt)

OSN Naphtha CFR Japan M2 643.75 3.25 640.50

($/mt)

OSN Naphtha Diff ($/mt) 2.00 0.00 2.00 <NAF-TYO-DIF

>

Naphtha Netback FOB Sing 69.75 0.41 69.34

($/bbl)

Naphtha Diff FOB Sing 0.40 0.00 0.40 <NAF-SIN-DIF

>

Naphtha-Brent Crack 93.82 3.40 90.43 <NAF-SIN-CRK

($/mt) >

Gasoline 97 ($/bbl) 84.34 -0.10 84.44

Gasoline 95 ($/bbl) 85.00 -0.10 85.10

Gasoline 92 ($/bbl) 79.30 -0.10 79.40

Gasoline crack ($/bbl) 5.71 -0.08 5.79 <GL92-SIN-CR

K>

For a list of derivatives prices, including margins, please double click the

RICs below.

Brent M1

Naphtha CFR Japan M1

Naphtha CFR Japan M1/M2

Naphtha CFR Japan M2

Naphtha Japan-Sing

Netback M1

Naphtha Japan-Sing

Netback M2

Naphtha FOB Sing M1

Naphtha FOB Sing M1/M2

Naphtha FOB Sing M2

Naphtha Cracks M1

East-West Naphtha M1

East-West Naphtha M2

NWE Naphtha M1

NWE Naphtha M1/M2

NWE Naphtha M2

Crack NWE Naphtha-Brent

M1

Crack NWE Naphtha-Brent

M2

*Sing refers to

Singapore

(Reporting by Haridas; Editing by Varun H K)

((Haridas.X@thomsonreuters.com;))