5-Oxo-4,6-dihydro-5λ⁴-thieno<3,4-b>thiophen-2-carbonsaeure, also known as 5-oxo-4,6-dihydro-5H-thieno[3,4-b]thiophen-2-carboxylic acid, is a chemical compound belonging to the class of thienothiophene derivatives. It features a thiophene ring fused with a thiophene ring, with a carbonyl group at the 5-position and a carboxylic acid group at the 2-position. 5-Oxo-4,6-dihydro-5λ⁴-thieno<3,4-b>thiophen-2-carbonsaeure is characterized by its unique structure, which may exhibit various chemical properties and potential applications in the synthesis of pharmaceuticals, agrochemicals, or other organic compounds. Its chemical formula is C₆H₄O₃S₂, and it has a molecular weight of 188.22 g/mol. The compound's structure and properties make it a subject of interest in organic chemistry and material science research.

7712-07-4

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Basic information
1. Product Name: 5-Oxo-4,6-dihydro-5λ⁴-thieno<3,4-b>thiophen-2-carbonsaeure
2. Synonyms:
3. CAS NO:7712-07-4
4. Molecular Formula:
5. Molecular Weight: 202.255
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: 5-Oxo-4,6-dihydro-5λ⁴-thieno<3,4-b>thiophen-2-carbonsaeure(CAS DataBase Reference)
10. NIST Chemistry Reference: 5-Oxo-4,6-dihydro-5λ⁴-thieno<3,4-b>thiophen-2-carbonsaeure(7712-07-4)
11. EPA Substance Registry System: 5-Oxo-4,6-dihydro-5λ⁴-thieno<3,4-b>thiophen-2-carbonsaeure(7712-07-4)
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: 7712-07-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7712-07-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,1 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7712-07:
(6*7)+(5*7)+(4*1)+(3*2)+(2*0)+(1*7)=94
94 % 10 = 4
So 7712-07-4 is a valid CAS Registry Number.

7712-07-4Upstream product

7712-07-4Downstream Products

14630-08-1 thieno[3,4-b]thiophene-2-carboxylic acid

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