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Tetramethyl 9,10-dihydroazepino[2,1-b][1,3]benzoselenazole-7,8,9,10-tetracarboxylate is a complex organic compound with the molecular formula C22H20N2O8Se. It is characterized by a unique structure that includes a benzoselenazole ring, which is a benzene ring with one oxygen atom replaced by a selenium atom. The compound also features a dihydroazepine ring, which is a seven-membered ring with two nitrogen atoms and one double bond. The tetrahedral shape of the molecule is further defined by four carboxyl groups attached to the central ring system. This chemical is notable for its potential applications in various fields, such as pharmaceuticals and materials science, due to its specific electronic and steric properties.

1982-90-7

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Basic information
1. Product Name: tetramethyl 9,10-dihydroazepino[2,1-b][1,3]benzoselenazole-7,8,9,10-tetracarboxylate
2. Synonyms:
3. CAS NO:1982-90-7
4. Molecular Formula: C₂₀H₁₉NO₈Se
5. Molecular Weight: 480.3268
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 558.9°C at 760 mmHg
3. Flash Point: 291.8°C
4. Appearance: N/A
5. Density: N/A
6. Vapor Pressure: 1.59E-12mmHg at 25°C
7. Refractive Index: N/A
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: tetramethyl 9,10-dihydroazepino[2,1-b][1,3]benzoselenazole-7,8,9,10-tetracarboxylate(CAS DataBase Reference)
11. NIST Chemistry Reference: tetramethyl 9,10-dihydroazepino[2,1-b][1,3]benzoselenazole-7,8,9,10-tetracarboxylate(1982-90-7)
12. EPA Substance Registry System: tetramethyl 9,10-dihydroazepino[2,1-b][1,3]benzoselenazole-7,8,9,10-tetracarboxylate(1982-90-7)
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: 1982-90-7(Hazardous Substances Data)

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1982-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1982-90-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,8 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1982-90:
(6*1)+(5*9)+(4*8)+(3*2)+(2*9)+(1*0)=107
107 % 10 = 7
So 1982-90-7 is a valid CAS Registry Number.

1982-90-7SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name	tetramethyl 9,10-dihydroazepino[2,1-b][1,3]benzoselenazole-7,8,9,10-tetracarboxylate

1.2 Other means of identification

Product number	-
Other names	9,10-Dihydro-azepino<2.1-b>benzoselenazol-7,8,9,10-tetracarbonsaeure-tetramethylester

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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