Methyl 3-hydroxythieno[3,2-b]pyridine-2-carboxylate CAS 111042-98-9
| CAS No. | 111042-98-9 |
| Molecular Formula | C9H7NO3S |
| Molecular Weight | 209.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H7NO3S, Methyl 3-hydroxythieno[3,2-b]pyridine-2-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 209.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
Methyl 3-hydroxythieno[3,2-b]pyridine-2-carboxylate (CAS 111042-98-9), molecular formula C9H7NO3S and molecular weight 209.22 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Methyl 3-hydroxythieno[3,2-b]pyridine-2-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H7NO3S |
| Molecular Weight | 209.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- Methyl 3-hydroxythieno[2,3-b]pyridine-2-carboxylate (CAS 111043-01-7)
- Methyl 4-hydroxythieno[2,3-b]pyridine-6-carboxylate (CAS 133223-48-0)
- Methyl 4-hydroxythieno[3,2-c]pyridine-7-carboxylate (CAS 1360929-34-5)
- Methyl 7-hydroxythieno[2,3-c]pyridine-4-carboxylate (CAS 1360934-53-7)
- 6-Acetyl-7-hydroxythieno[3,2-b]pyridin-5(4H)-one (CAS 74695-37-7)
- Methyl 4-hydroxythieno[3,2-d]pyrimidine-7-carboxylate (CAS 1269667-38-0)
- methyl 4-hydroxythieno[3,2-d]pyrimidine-6-carboxylate (CAS 2832388-34-6)
- 7-Hydroxythieno[2,3-c]pyridine-4-carboxylic acid (CAS 1360953-85-0)
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