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1H-Anthra[2,1,9-def]-2-benzopyran-1,3,6-trione, also known as 9CI, is a chemical compound with the molecular formula C17H8O4. It belongs to the class of organic compounds known as anthraquinones, which are derivatives of anthracene with two oxygen atoms added to the molecule. This specific compound features a benzopyran ring system, which is a fused ring structure consisting of a benzene ring and a pyran ring. The compound is characterized by the presence of three carbonyl groups (C=O) at the 1, 3, and 6 positions, which contribute to its chemical properties and reactivity. It is an important intermediate in the synthesis of various dyes and pigments, and is also used in the production of certain pharmaceuticals. Due to its complex structure and potential applications, 1H-Anthra[2,1,9-def]-2-benzopyran-1,3,6-trione is a subject of interest in the fields of organic chemistry and materials science.

4389-13-3

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Basic information
1. Product Name: 1H-Anthra[2,1,9-def]-2-benzopyran-1,3,6-trione(9CI)
2. Synonyms: 7H-Benz[de]anthracene-3,4-dicarboxylicanhydride, 7-oxo- (7CI,8CI)
3. CAS NO:4389-13-3
4. Molecular Formula: C19H8 O4
5. Molecular Weight: 300.27
6. EINECS: N/A
7. Product Categories: N/A
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: 1H-Anthra[2,1,9-def]-2-benzopyran-1,3,6-trione(9CI)(CAS DataBase Reference)
10. NIST Chemistry Reference: 1H-Anthra[2,1,9-def]-2-benzopyran-1,3,6-trione(9CI)(4389-13-3)
11. EPA Substance Registry System: 1H-Anthra[2,1,9-def]-2-benzopyran-1,3,6-trione(9CI)(4389-13-3)
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: 4389-13-3(Hazardous Substances Data)

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4389-13-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4389-13-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,8 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4389-13:
(6*4)+(5*3)+(4*8)+(3*9)+(2*1)+(1*3)=103
103 % 10 = 3
So 4389-13-3 is a valid CAS Registry Number.

4389-13-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name	7-oxo-benz[d]anthracene-3,4-dicarboxylic acid anhydride

1.2 Other means of identification

Product number	-
Other names	7H,7-Oxo-benz<d>anthracen-3,4-dicarbonsaeureanhydrid

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).

More Details:4389-13-3 SDS

4389-13-3Upstream product

4389-13-3Downstream Products

119394-65-9 2-(2-nitro-phenyl)-anthra[2,1,9-def]isoquinoline-1,3,6-trione

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