Thieno[3,4-b]thiophene-2-carboxylic Acid CAS 14630-08-1
| CAS No. | 14630-08-1 |
| Molecular Formula | C7H4O2S2 |
| Molecular Weight | 184.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 184.24 g/mol gives Thieno[3,4-b]thiophene-2-carboxylic Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Thieno[3,4-b]thiophene-2-carboxylic Acid (CAS 14630-08-1) is a high-purity analytical reference standard with the molecular formula C7H4O2S2 and a molecular weight of 184.24 g/mol.
Thieno[3,4-b]thiophene-2-carboxylic Acid (C7H4O2S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Thieno[3,4-b]thiophene-2-carboxylic Acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H4O2S2 |
| Molecular Weight | 184.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Sulfur Atoms | 2 |
Related Thieno Standards
- Thieno[3,2-b]thiophene-3-carboxylic acid (CAS 1467663-02-0)
- Thieno[2,3-b]thiophene-2-carboxylic acid (CAS 14756-75-3)
- Thieno[3,2-β]thiophene-2-carboxylic Acid (CAS 1723-27-9)
- Thieno[3,2-d]isothiazole-5-carboxylic acid (CAS 74598-12-2)
- 4H-Thieno[3,2-b]pyrrole-5-carbonyl chloride (CAS 182553-05-5)
- Thieno[2,3-d][1,2,3]thiadiazole-6-carboxylic acid (CAS 192878-30-1)
- 1-{thieno[3,2-b]thiophen-2-yl}ethan-1-one (CAS 39131-69-6)
- Thieno[2,3-b]quinoxaline (CAS 54101-62-1)
Recommended Standards
- Ethyl hexahydropyrrolo[3,4-c]pyrrole-2(1h)-carboxylate (CAS 1461868-98-3)
- [1,1'-Biphenyl]-2,2'-diamine (CAS 1454-80-4)
- methyl 1H-pyrrolo[2,3-c]pyridine-5-carboxylate (CAS 147071-00-9)
- (R)-3,6-Dimethoxy-2-propyl-2,5-dihydropyrazine (CAS 145206-43-5)
- 7-Bromo-6-methoxy-1(2H)-isoquinolinone (CAS 924271-34-1)
- tert-butyl 6-azido-6-benzyl-2-azaspiro[3.3]heptane-2-carboxylate (CAS 2751687-57-5)
- tert-Butyl 3-(4-bromophenoxy)azetidine-1-carboxylate (CAS 960402-39-5)
- Lithium 4-fluoro-1-(tetrahydro-2h-pyran-4-yl)-1h-benzo[d]imidazole-2-carboxylate (CAS 2197052-96-1)
- 4-(Tert-butyl)thiazol-2-amine hydrochloride (CAS 475632-10-1)
- Diethyl 3-((3-(trifluoromethyl)phenyl)carbamoyl)cyclopropane-1,2-dicarboxylate (CAS 318237-96-6)
- 1-(4-(4-Amino-2-chlorophenyl)piperazin-1-yl)butan-1-one (CAS 694446-35-0)
- 4-[(5-Chloro-3-fluoro-2-pyridyl)oxy]benzonitrile (CAS 1538764-41-8)
- 4'-Hydroxy-[1,1'-biphenyl]-4-carbohydrazide (CAS 849421-25-6)
- Semaglutide Impurity 129 (CAS 2490269-79-7)
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