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4-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, also known as 4-isobenzofuran-1,3-dione, is an organic compound with the chemical formula C8H4O3. It is a white crystalline solid that is soluble in organic solvents such as ethanol and acetone. 4-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo- is a derivative of isobenzofuran, a heterocyclic aromatic compound, and features a carboxylic acid group at the 4-position. It is used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. Due to its reactivity, it can undergo a range of chemical reactions, such as esterification, amidation, and condensation, making it a valuable building block in organic synthesis.

3786-39-8

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Basic information
1. Product Name: 4-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-
2. Synonyms:
3. CAS NO:3786-39-8
4. Molecular Formula: C9H4O5
5. Molecular Weight: 192.128
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 3786-39-8.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 4-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-(3786-39-8)
11. EPA Substance Registry System: 4-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-(3786-39-8)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 3786-39-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3786-39-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,8 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 3786-39:
(6*3)+(5*7)+(4*8)+(3*6)+(2*3)+(1*9)=118
118 % 10 = 8
So 3786-39-8 is a valid CAS Registry Number.

3786-39-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name	1,3-dioxo-1,3-dihydro-isobenzofuran-4-carboxylic acid

1.2 Other means of identification

Product number	-
Other names	Benzol-1,2,3-tricarbonsaeure-1,2-anhydrid

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

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