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3-methylthieno[3,2-b]thiophene-2-carboxylic acid is a heterocyclic organic compound characterized by a unique structure that includes a thiophene ring fused to another thiophene ring, with a methyl group attached to one of the carbon atoms. 3-methylthieno[3,2-b]thiophene-2-carboxylic acid is classified as a carboxylic acid due to the presence of a carboxyl functional group (-COOH) at the 2-position of the thiophene ring. It is known for its potential applications in the synthesis of various pharmaceuticals and materials science, particularly in the development of novel electronic and optical devices due to its electronic properties. The compound's chemical formula is C7H6O2S2, reflecting its composition of carbon, hydrogen, oxygen, and sulfur atoms. Its molecular structure and properties make it a subject of interest in organic chemistry and materials research.

6448-54-0

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Basic information
1. Product Name: 3-methylthieno[3,2-b]thiophene-2-carboxylic acid
2. Synonyms:
3. CAS NO:6448-54-0
4. Molecular Formula: C₈H₆O₂S₂
5. Molecular Weight: 198.262
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 387°C at 760 mmHg
3. Flash Point: 187.9°C
4. Appearance: N/A
5. Density: 1.509g/cm³
6. Vapor Pressure: 1.11E-06mmHg at 25°C
7. Refractive Index: 1.733
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: 3-methylthieno[3,2-b]thiophene-2-carboxylic acid(CAS DataBase Reference)
11. NIST Chemistry Reference: 3-methylthieno[3,2-b]thiophene-2-carboxylic acid(6448-54-0)
12. EPA Substance Registry System: 3-methylthieno[3,2-b]thiophene-2-carboxylic acid(6448-54-0)
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: 6448-54-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6448-54-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,4 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6448-54:
(6*6)+(5*4)+(4*4)+(3*8)+(2*5)+(1*4)=110
110 % 10 = 0
So 6448-54-0 is a valid CAS Registry Number.

6448-54-0SDS

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	6-methylthieno[3,2-b]thiophene-5-carboxylic acid

1.2 Other means of identification

Product number	-
Other names	1-(2-Acetoxyethyl)-2-(5-nitro-2-furyl)vinyl-imidazol

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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