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ChemicalBook >> CAS DataBase List >> diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-

diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-

diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5- price.
  • $9 - $1430
  • Product name: diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-
  • CAS: 1246616-66-9
  • MF: C16H14O7
  • MW: 318.28
  • EINECS:
  • MDL Number:MFCD28128927
  • Synonyms:diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-;4-Oxo-3-(phenylMethoxy)-4H-pyran-2,5-dicarboxylic acid 2,5-diMethyl ester;Dolutegravir Intermediate3;Dolutegravir DL4B;4H-Pyran-2,5-dicarboxylic acid, 4-oxo-3-(phenylmethoxy)-, 2,5-dimethyl ester;TIANFUCHEM diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-;imethyl3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate;4-Oxo-3-benzyloxy-4H-pyran-2,5-dicarboxylic acid dimethyl ester
Price24 Properties Safety Information Description
24 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • Acrotein
  • Alichem
  • Ambeed
  • Arctom
  • Crysdot
  • Synthonix
  • TRC
Package
  • 500mg
  • 1g
  • 5g
  • 10g
  • 25g
  • 100g
  • 500g
  • Manufactureraablocks
  • Product numberAA000MH9
  • Product description4H-Pyran-2,5-dicarboxylic acid, 4-oxo-3-(phenylmethoxy)-, 2,5-dimethyl ester 98%
  • Packaging100g
  • Price$440
  • Updated2026-05-25
  • Buy
  • Manufactureraablocks
  • Product numberAA000MH9
  • Product description4H-Pyran-2,5-dicarboxylic acid, 4-oxo-3-(phenylmethoxy)-, 2,5-dimethyl ester 98%
  • Packaging500g
  • Price$1430
  • Updated2026-05-25
  • Buy
  • Manufactureraablocks
  • Product numberAA000MH9
  • Product description4H-Pyran-2,5-dicarboxylic acid, 4-oxo-3-(phenylmethoxy)-, 2,5-dimethyl ester 97%
  • Packaging5g
  • Price$28
  • Updated2026-05-25
  • Buy
  • Manufactureraablocks
  • Product numberAA000MH9
  • Product description4H-Pyran-2,5-dicarboxylic acid, 4-oxo-3-(phenylmethoxy)-, 2,5-dimethyl ester 97%
  • Packaging1g
  • Price$9
  • Updated2026-05-25
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberT101067
  • Product descriptionDimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 95%
  • Packaging100G
  • Price$420
  • Updated2026-05-27
  • Buy
  • ManufacturerAcrotein
  • Product numberH-7797
  • Product descriptionDimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97%
  • Packaging100g
  • Price$727.29
  • Updated2026-05-25
  • Buy
  • ManufacturerAcrotein
  • Product numberH-7797
  • Product descriptionDimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97%
  • Packaging25g
  • Price$239.25
  • Updated2026-05-25
  • Buy
  • ManufacturerAcrotein
  • Product numberH-7797
  • Product descriptionDimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97%
  • Packaging5g
  • Price$79.2
  • Updated2026-05-25
  • Buy
  • ManufacturerAcrotein
  • Product numberH-7797
  • Product descriptionDimethyl3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97%
  • Packaging1g
  • Price$82.5
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number1246616669
  • Product descriptionDimethyl3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate
  • Packaging10g
  • Price$742.5
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number1246616669
  • Product descriptionDimethyl3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate
  • Packaging5g
  • Price$445.5
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA117478
  • Product descriptionDimethyl3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97%
  • Packaging1g
  • Price$12
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA117478
  • Product descriptionDimethyl3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97%
  • Packaging5g
  • Price$39
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberBD-A117478
  • Product descriptionDimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97%
  • Packaging25g
  • Price$106
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A117478
  • Product descriptionDimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97%
  • Packaging100g
  • Price$316
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A117478
  • Product descriptionDimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97%
  • Packaging1g
  • Price$10
  • Updated2026-05-26
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA000MH9 4H-Pyran-2,5-dicarboxylic acid, 4-oxo-3-(phenylmethoxy)-, 2,5-dimethyl ester 98% 100g $440 2026-05-25 Buy
aablocks AA000MH9 4H-Pyran-2,5-dicarboxylic acid, 4-oxo-3-(phenylmethoxy)-, 2,5-dimethyl ester 98% 500g $1430 2026-05-25 Buy
aablocks AA000MH9 4H-Pyran-2,5-dicarboxylic acid, 4-oxo-3-(phenylmethoxy)-, 2,5-dimethyl ester 97% 5g $28 2026-05-25 Buy
aablocks AA000MH9 4H-Pyran-2,5-dicarboxylic acid, 4-oxo-3-(phenylmethoxy)-, 2,5-dimethyl ester 97% 1g $9 2026-05-25 Buy
ACHEMBLOCK T101067 Dimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 95% 100G $420 2026-05-27 Buy
Acrotein H-7797 Dimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97% 100g $727.29 2026-05-25 Buy
Acrotein H-7797 Dimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97% 25g $239.25 2026-05-25 Buy
Acrotein H-7797 Dimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97% 5g $79.2 2026-05-25 Buy
Acrotein H-7797 Dimethyl3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97% 1g $82.5 2021-12-16 Buy
Alichem 1246616669 Dimethyl3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 10g $742.5 2021-12-16 Buy
Alichem 1246616669 Dimethyl3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 5g $445.5 2021-12-16 Buy
Ambeed A117478 Dimethyl3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97% 1g $12 2021-12-16 Buy
Ambeed A117478 Dimethyl3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97% 5g $39 2021-12-16 Buy
Arctom BD-A117478 Dimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97% 25g $106 2026-05-26 Buy
Arctom BD-A117478 Dimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97% 100g $316 2026-05-26 Buy
Arctom BD-A117478 Dimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate 97% 1g $10 2026-05-26 Buy
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Properties

Boiling point :534.9±50.0 °C(Predicted)
Density :1.34±0.1 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Dimethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-dicarboxylate is a useful intermediate for the preparation of dolutegravir and dolutegravir salts used in antiretroviral medications.

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Suppliers and manufacturers

Shanghai Rochi Pharmaceutical Co., Ltd. Hangzhou Copiore Chemical Co., Ltd. Shanghai Yuanding Chem. Sci. & Tech. Co., Ltd. Shanghai Hanhong Scientific Co.,Ltd. Shenzhen HwaGen Pharmaceutical Co.,Ltd Taizhou Tongxin Bio-Tech Co., Ltd Bide Pharmatech Ltd. Shanghai YuLue Chemical Co., Ltd. Shenzhen Nexconn Pharmatechs Ltd. Nanjing Chalf-Pharm Technology Co., Ltd.