thieno[2,3-b]pyridine-5-carbonitrile CAS 21344-31-0
| CAS No. | 21344-31-0 |
| Molecular Formula | C8H12N2S |
| Molecular Weight | 168.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 168.26 g/mol gives thieno[2,3-b]pyridine-5-carbonitrile distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
thieno[2,3-b]pyridine-5-carbonitrile (CAS 21344-31-0) is a high-purity analytical reference standard with the molecular formula C8H12N2S and a molecular weight of 168.26 g/mol.
thieno[2,3-b]pyridine-5-carbonitrile (C8H12N2S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures thieno[2,3-b]pyridine-5-carbonitrile 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 | C8H12N2S |
| Molecular Weight | 168.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related thieno Standards
- thieno[3,2-b]pyridine-6-carbonitrile (CAS 116538-95-5)
- Thieno[2,3-d]pyrimidine-4-thiol (CAS 14080-55-8)
- thieno[3,2-d]pyrimidine-4-thiol (CAS 16229-24-6)
- Thieno[2,3-b]thiophene-2-carbaldehyde (CAS 31486-85-8)
- Thieno[3,2-b]thiophene-2-carbaldehyde (CAS 31486-86-9)
- 1H-thieno[3,2-c]pyrazole-5-carboxylic acid (CAS 1313726-01-0)
- Thieno[3,2-b]furan-5-carboxylic acid (CAS 1334148-11-6)
- Thieno[2,3-b]pyrazine-2,3(1H,4H)-dione (CAS 149587-32-6)
Recommended Standards
- N-methyl-4,5,6,7-tetrahydrobenzo[d]thiazol-4-amine (CAS 70590-59-9)
- X71Z1K8RAY 53119-25-8 2-Pentanoylthiophene UNII-X71Z1K8RAY 1-(2-Thienyl)pentan-1-one 1-Pentanone, 1-(2-thienyl)- Butyl 2-thienyl ketone Ethyl-3-oxo-3-(thiophene-2-yl)propanate (CAS 53119-25-8)
- N-methyl-4,5,6,7-tetrahydrobenzo[d]thiazol-2-amine (CAS 40534-18-7)
- 3-(1,3-Thiazol-2-yl)piperidine hydrochloride 630121-84-5 (CAS 630121-84-5)
- 1-Tosylpiperazine, HCl (CAS 856843-84-0)
- 1,3-dibromo-7-methylimidazo[1,5-a]pyridine (CAS 1785486-67-0)
- N1-(2,4-dichlorobenzyl)-N1-isopropylethane-1,2-diamine (CAS 1247472-44-1)
- 2(1H)-pyrimidinethione, 5-chloro- (9ci) (CAS 34772-97-9)
- 2-tert-Butyl 3-ethyl 2-azabicyclo[2.2.1]heptane-2,3-dicarboxylate (CAS 343616-42-2)
- N-Hydroxy-2-(3-methylpiperidino)ethanimidamide (CAS 952182-81-9)
- 5-Bromo-2-(difluoromethoxy)-4-(trifluoromethyl)aniline (CAS 1807117-77-6)
- (1S)-1-Methyl-6-oxabicyclo[3.1.0]hexane (CAS 1957130-75-4)
- Desmopressin Impurity 14 (CAS CATO-C4X-221514)
- Liraglutide Impurity 16 TFA Salt (CAS CATO-C4X-199216)
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