Thieno[2,3-b]pyridine-2-carboxaldehyde CAS 53174-98-4
| CAS No. | 53174-98-4 |
| Molecular Formula | C8H5NOS |
| Molecular Weight | 163.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Thieno[2,3-b]pyridine-2-carboxaldehyde 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.
CATO supplies Thieno[2,3-b]pyridine-2-carboxaldehyde (CAS 53174-98-4), a certified reference material (molecular formula C8H5NOS, MW 163.20 g/mol) for analytical method development and quality control.
Structurally, Thieno[2,3-b]pyridine-2-carboxaldehyde (C8H5NOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. 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 163.20 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C8H5NOS |
| Molecular Weight | 163.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1972 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Thieno Standards
- thieno[3,2-b]pyridine-6-carbaldehyde (CAS 117390-35-9)
- Thieno[3,2-b]pyridine-3-carbaldehyde (CAS 1369237-95-5)
- Thieno[3,2-b]pyridine-2-carbaldehyde (CAS 94191-18-1)
- thieno[2,3-c]isothiazol-3-amine (CAS 37063-96-0)
- Thieno[3,2-d]pyrimidine-7-carbaldehyde (CAS 1211596-51-8)
- Thieno[2,3-b]pyrazine-6-carbaldehyde, 97% (CAS 857283-69-3)
- Thieno[2,3-d]pyridazine-3-carbaldehyde (CAS 35670-76-9)
- Thieno[2,3-d]pyrimidine-6-carbaldehyde (CAS 655253-72-8)
Recommended Standards
- N-(Pyrrolidin-2-ylidene)aminosulfonamide (CAS 716364-40-8)
- Benzo[d]isothiazole-3-carbaldehyde (CAS 73437-27-1)
- Epinastine Impurity 28 (CAS 532-55-8)
- 6-methylimidazo[2,1-b][1,3]thiazole-5-carbonitrile (CAS 83253-34-3)
- 3-((5-Amino-1,3,4-thiadiazol-2-yl)thio)-N-cyclohexylpropanamide (CAS 1030772-85-0)
- N-(5-bromo-2-methoxybenzyl)cycloheptanamine hydrobromide (CAS 1609395-64-3)
- N-(2,5-dimethylphenyl)-4-hydroxybenzamide (CAS 692745-50-9)
- 1-(3-Aminopyrrolidin-1-yl)-2-(3-methoxyphenyl)ethan-1-one hydrochloride (CAS 1576056-31-9)
- Vinpocetine Impurity 1 (CAS 77549-94-1)
- Ethyl 4-bromo-1-propyl-1H-pyrazole-5-carboxylate (CAS 1698402-12-8)
- 2-((5-(Pyridin-4-yl)-1,3,4-oxadiazol-2-yl)thio)acetonitrile (CAS 477856-82-9)
- (1R,2R,4S)-2-amino-7-azabicyclo[2.2.1]Heptane-7-carbonitrile (CAS 2411907-31-6)
- 1-(2-Iodoethyl)-1h-pyrazole (CAS 1343309-81-8)
- Insulin Degludec Impurity 12 (CAS CATO-C4X-215712)
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