Thieno[3,2-b]thiophene-3-carbonitrile CAS 1467663-01-9
| CAS No. | 1467663-01-9 |
| Molecular Formula | C7H3NS2 |
| Molecular Weight | 165.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Thieno[3,2-b]thiophene-3-carbonitrile (CAS 1467663-01-9) is a high-purity analytical reference standard with the molecular formula C7H3NS2 and a molecular weight of 165.24 g/mol.
Structurally, Thieno[3,2-b]thiophene-3-carbonitrile (C7H3NS2) contains a nitrile group, sulfur-containing functionality, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 165.24 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H3NS2 |
| Molecular Weight | 165.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Thieno Standards
- Thieno[3,2-b]thiophene-2-carbonitrile (CAS 40985-58-8)
- Thieno[2,3-b]pyridine-2,3-diamine (CAS 1384929-29-6)
- Thieno[2,3-b]pyridine-4,6-diamine (CAS 1823930-68-2)
- Thieno[3,4-c]pyridine-1,3-diamine (CAS 1824592-95-1)
- Thieno[3,2-d]pyrimidin-7-ylmethanamine (CAS 871013-29-5)
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- thieno[2,3-c]pyridin-2-ylmethanol (CAS 1211505-65-5)
- Thieno[3,2-c]pyridin-2-ylmethanol (CAS 1211508-90-5)
Recommended Standards
- 3-Cyclopropyl-1-isopropyl-1H-pyrazol-5-amine (CAS 1462952-68-6)
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- 1-Isopropyl-1,4,5,6-tetrahydrocyclopenta[c]pyrazol-4-amine (CAS 1447948-91-5)
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- (Z)-1,2-Di(thiophen-2-yl)ethene (CAS 18266-94-9)
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- 4-Fluoro-2-(trifluoromethyl)phenylisothiocyanate (CAS 302912-41-0)
- N-(2-amino-2-methylpropyl)cyclopropanamine (CAS 1247812-41-4)
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- 2-(Difluoromethyl)-3-nitropyridine-5-carboxylic acid (CAS 1805926-13-9)
- (R)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(3,5-bis(trifluoromethyl)phenyl)propanoic acid (CAS 1260604-51-0)
- tert-Butyl 4-amino-4-(3-fluorophenyl)piperidine-1-carboxylate (CAS 1779132-73-8)
- (S)-2-Methoxy-3,3-dimethylbutanoic acid (CAS 1244949-20-9)
- Liraglutide Impurity 14 TFA Salt (CAS CATO-C4X-199214)
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