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3-Methoxy-1(3H)-isobenzofuranone

3-Methoxy-1(3H)-isobenzofuranone Structure
3-Methoxy-1(3H)-isobenzofuranone structure
CAS No.
4122-57-0
Chemical Name:
3-Methoxy-1(3H)-isobenzofuranone
Synonyms
3-Methoxyphthalide;3-Methoxyphthalide>3-Methoxy-1(3H)-isobenzofuranone;3-Methoxyisobenzofuran-1(3H)-one;1(3H)-Isobenzofuranone, 3-methoxy-
CBNumber:
CB41570261
Molecular Formula:
C9H8O3
Molecular Weight:
164.16
MDL Number:
MOL File:
4122-57-0.mol
MSDS File:
SDS
Last updated:2026-05-28 03:10:33
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3-Methoxy-1(3H)-isobenzofuranone Properties

Melting point 45 °C
Boiling point 146 °C / 12mmHg
Density 1.25±0.1 g/cm3(Predicted)
storage temp. 2-8°C
solubility Chloroform (Slightly), Methanol (Slightly)
form Solid
color Off-White
InChI InChI=1S/C9H8O3/c1-11-9-7-5-3-2-4-6(7)8(10)12-9/h2-5,9H,1H3
InChIKey OIIJJGAFRGJQSQ-UHFFFAOYSA-N
SMILES C1(=O)C2=C(C=CC=C2)C(OC)O1

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
HS Code  2932990090
NFPA 704
1
2 0

3-Methoxy-1(3H)-isobenzofuranone price More Price(18)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical M2007 3-Methoxyphthalide >98.0%(GC) 4122-57-0 5g $112 2026-04-30 Buy
TRC TRC-M263270-250MG 3-Methoxyisobenzofuran-1(3H)-one 4122-57-0 250mg $72 2026-06-03 Buy
TRC TRC-M263270-2.5G 3-Methoxyisobenzofuran-1(3H)-one 4122-57-0 2.5g $179 2026-06-03 Buy
TRC TRC-M263270-1G 3-Methoxyisobenzofuran-1(3H)-one 4122-57-0 1g $109 2026-06-03 Buy
Apolloscientific OR938427 3-Methoxy-1(3H)-isobenzofuranone 98% 4122-57-0 250mg $25 2026-06-04 Buy
Product number Packaging Price Buy
M2007 5g $112 Buy
TRC-M263270-250MG 250mg $72 Buy
TRC-M263270-2.5G 2.5g $179 Buy
TRC-M263270-1G 1g $109 Buy
OR938427 250mg $25 Buy

3-Methoxy-1(3H)-isobenzofuranone Chemical Properties, Uses, Production

Uses

3-Methoxyisobenzofuran-1(3H)-one acts as a reagent for the synthesis of vitamin K and related naphthoquinones via demethoxycarbonylative cyclization and cascade Cope-retro-Wittig rearrangement.

3-Methoxy-1(3H)-isobenzofuranone Preparation Products And Raw materials

Raw materials

Preparation Products

1,2-Benzenedimethanol

3-Methoxy-1(3H)-isobenzofuranone Suppliers

Global Suppliers ( 55)
Supplier Tel Email Country ProdList Advantage
TR Pharma & Tech Co., Ltd. 0531-88633905 15863156350 jntryy@hotmail.com China 45 55
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66113011 13913916777 cfzhang@aikonchem.com China 19902 55
TOKYO CHEMICAL INDUSTRY CO., LTD. 03-36680489 Sales-JP@TCIchemicals.com Japan 28364 80
TCI Europe 320-37350700 sales@tcieurope.eu Europe 23654 75
TCI AMERICA 800-4238616 sales@tciamerica.com Americas 23636 75
9ding chemical ( Shanghai) Limited 4009209199 sales@9dingchem.com China 22497 55
Supplier Advantage
TR Pharma & Tech Co., Ltd. 55
J & K SCIENTIFIC LTD. 76
TCI (Shanghai) Development Co., Ltd. 81
Energy Chemical 61
Shandong Xiya Chemical Co., Ltd 57
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 55
TOKYO CHEMICAL INDUSTRY CO., LTD. 80
TCI Europe 75
TCI AMERICA 75
9ding chemical ( Shanghai) Limited 55

3-Methoxy-1(3H)-isobenzofuranone Spectrum

3-Methoxy-1(3H)-isobenzofuranone(4122-57-0)MS3-Methoxy-1(3H)-isobenzofuranone(4122-57-0)IR1

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3-Methoxyisobenzofuran-1(3H)-one 3-Methoxy-1(3H)-isobenzofuranone 3-Methoxyphthalide 3-Methoxyphthalide> 1(3H)-Isobenzofuranone, 3-methoxy- 4122-57-0