Thieno[3,2-c]pyridine-4,6(5H,7H)-dione CAS 105508-56-3
| CAS No. | 105508-56-3 |
| Molecular Formula | C7H5NO2S |
| Molecular Weight | 167.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Thieno[3,2-c]pyridine-4,6(5H,7H)-dione (C7H5NO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 167.19 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Thieno[3,2-c]pyridine-4,6(5H,7H)-dione (CAS 105508-56-3) is a high-purity analytical reference standard with the molecular formula C7H5NO2S and a molecular weight of 167.19 g/mol.
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[3,2-c]pyridine-4,6(5H,7H)-dione 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 | C7H5NO2S |
| Molecular Weight | 167.19 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.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Thieno Standards
- 4H-thieno[3,2-b]pyrrole-2-carboxylic acid (CAS 1007386-84-6)
- 6H-thieno[2,3-b]pyrrole-2-carboxylic acid (CAS 1367912-26-2)
- Thieno[2,3-b]pyridine-4,6-diol (CAS 1822942-47-1)
- Thieno[3,2-b]pyridin-5(6H)-one, 7-hydroxy- (CAS 1823740-21-1)
- 1-(Thieno[3,2-c]isoxazol-3-yl)ethanone (CAS 339364-24-8)
- 4H-thieno[3,2-b]pyrrole-5-carboxylic acid (CAS 39793-31-2)
- 6H-thieno[2,3-b]pyrrole-5-carboxylic acid (CAS 51856-25-8)
- Thieno[2,3-b]pyridine 1,1-Dioxide (CAS 37049-39-1)
Recommended Standards
- 5-(3-Thienyl)-1,3,4-oxadiazol-2-amine (CAS 1016526-97-8)
- 5-(1h-Pyrrol-2-yl)-1,3,4-oxadiazole-2-thiol (CAS 10551-16-3)
- 4-Amino-1-(2-methoxy-2-oxoethyl)pyridin-1-ium (CAS 1011832-94-2)
- [(4-Amino-1,3,5-triazin-2-yl)thio]acetonitrile (CAS 1142201-16-8)
- 8-Hydroxy-1-methylquinolin-2(1H)-one (CAS 59828-11-4)
- 2-(2,4-Dimethoxyphenyl)pentan-2-ol (CAS 1443349-00-5)
- 5-Methyl-3-[4-(trifluoromethyl)phenyl]-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 886967-72-2)
- 5-bromo-7-chloro-2-oxo-2,3-dihydro-1,3-benzoxazole-6-sulfonyl chloride (CAS 1423031-26-8)
- 1313714-51-0 1H-Pyrrolo[2,3-b]pyridine,4-chloro-1-[(4-methoxyphenyl)methyl]- (CAS 1313714-51-0)
- 5-(Aminomethyl)-N,N-diethylpyridin-2-amine (CAS 926234-30-2)
- O7-tert-Butyl O2-methyl endo-7-azabicyclo[2.2.1]heptane-2,7-dicarboxylate (CAS 197080-73-2)
- Methyl 4-fluorophenyl-2-isocyanatoacetate (CAS 1210271-04-7)
- 2,2'-((2-Aminoethyl)azanediyl)diacetic acid (CAS 5835-29-0)
- Uremic Pentapeptide (CAS 71494-20-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com