Thieno[3,2-β]thiophene-2-carboxylic Acid CAS 1723-27-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1723-27-9 |
| Molecular Formula | C7H4O2S2 |
| Molecular Weight | 184.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
Thieno[3,2-β]thiophene-2-carboxylic Acid (CAS 1723-27-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4O2S2. Molecular weight: 184.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1957 |
| Sulfur Atoms | 2 |
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- Thieno[2,3-b]thiophene-2-carboxylic acid (CAS 14756-75-3)
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Recommended Standards
- 1-methyl-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid (CAS 171919-37-2)
- tert-butyl (S)-(1-cyanopropan-2-yl)carbamate (CAS 172695-22-6)
- Methyl 2-(1,4-diazabicyclo[2.2.2]Octan-2-yl)acetate (CAS 171351-26-1)
- 1-(But-3-yn-1-yl)-4-methylpiperidine (CAS 1343816-79-4)
- 2-((4-Oxo-6-((4-phenylpiperazin-1-yl)methyl)-4H-pyran-3-yl)oxy)acetonitrile (CAS 898418-36-5)
- 1,1,1,2,2-Pentafluoro-4-iodobutane (CAS 40723-80-6)
- 3,8-Dibromo-6-chloroimidazo[1,2-a]pyridine (CAS 1072944-57-0)
- tert-butyl cis-N-[4-(spiro[3.3]heptan-2-ylamino)cyclohexyl]carbamate (CAS 2277444-51-4)
- N'-(4,7-Dimethoxybenzo[d]thiazol-2-yl)propionohydrazide (CAS 851988-10-8)
- (Pro30,Tyr32,Leu34)-Neuropeptide Y (28-36) (CAS 161650-01-7)
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