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Furo[3,2-b]benzofuran, also known as 2-benzofurancarboxaldehyde or 2-benzofurancarboxylic acid, is an organic compound with the chemical formula C10H6O3. It is a heterocyclic aromatic compound consisting of a benzene ring fused to a furan ring, with an additional carbonyl group attached to the benzene ring. Furo[3,2-b]benzofuran (8CI,9CI) is an important intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. It can be synthesized through various methods, such as the condensation of salicylaldehyde with acetylene or the cyclization of 2-hydroxybenzaldehyde with orthoesters. Furo[3,2-b]benzofuran has a wide range of applications, including the production of dyes, pigments, and fragrances, as well as its use as a building block in the synthesis of more complex molecules.

247-40-5

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Basic information
1. Product Name: Furo[3,2-b]benzofuran (8CI,9CI)
2. Synonyms: Furo[3,2-b]benzofuran (8CI,9CI)
3. CAS NO:247-40-5
4. Molecular Formula: C10H6O2
5. Molecular Weight: 158.15
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 247-40-5.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 50.7±7.0 °C(Predicted)
3. Flash Point: N/A
4. Appearance: /
5. Density: 1.283±0.06 g/cm3(Predicted)
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Furo[3,2-b]benzofuran (8CI,9CI)(CAS DataBase Reference)
10. NIST Chemistry Reference: Furo[3,2-b]benzofuran (8CI,9CI)(247-40-5)
11. EPA Substance Registry System: Furo[3,2-b]benzofuran (8CI,9CI)(247-40-5)
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: 247-40-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 247-40-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,4 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 247-40:
(5*2)+(4*4)+(3*7)+(2*4)+(1*0)=55
55 % 10 = 5
So 247-40-5 is a valid CAS Registry Number.

247-40-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name	furo[3,2-b][1]benzofuran

1.2 Other means of identification

Product number	-
Other names	FURO[3,2-B]BENZOFURAN

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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