N-(5-(5-Phenylisoxazole-3-carbonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)thiophene-2-carboxamide CAS 1351659-16-9
| CAS No. | 1351659-16-9 |
| Molecular Formula | C21H16N4O3S2 |
| Molecular Weight | 436.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), N-(5-(5-Phenylisoxazole-3-carbonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)thiophene-2-carboxamide 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.
N-(5-(5-Phenylisoxazole-3-carbonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)thiophene-2-carboxamide (CAS 1351659-16-9) is a high-purity analytical reference standard with the molecular formula C21H16N4O3S2 and a molecular weight of 436.51 g/mol.
Structurally, N-(5-(5-Phenylisoxazole-3-carbonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)thiophene-2-carboxamide (C21H16N4O3S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 436.51 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H16N4O3S2 |
| Molecular Weight | 436.51 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Related N Standards
- 4-(5-Methyl-3-phenylisoxazole-4-carbonyl)-N-(3-morpholinopropyl)-1H-pyrrole-2-carboxamide (CAS 439109-67-8)
- N-(5-(5-Phenylisoxazole-3-carbonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)furan-3-carboxamide (CAS 1428355-29-6)
- 4-(5-Methyl-3-phenylisoxazole-4-carbonyl)-N-(pyridin-2-ylmethyl)-1H-pyrrole-2-carboxamide (CAS 439109-65-6)
- 4-(5-Methyl-3-phenylisoxazole-4-carbonyl)-N-(pyridin-4-ylmethyl)-1H-pyrrole-2-carboxamide (CAS 439109-64-5)
- 4-Benzyl-5-phenylisoxazole-3-carboxylic acid (CAS 1352516-75-6)
- 2-(5-Methyl-3-phenylisoxazole-4-carboxamido)acetic acid (CAS 62604-75-5)
- 5-Methyl-3-phenylisoxazole-4-sulfonyl chloride (CAS 857283-56-8)
- 5-Benzyl-3-phenylisoxazole (CAS 18753-56-5)
Recommended Standards
- 1-Methyl-2-(4-(naphthalen-2-yl)phenyl)-1H-imidazo[4,5-f][1,10]phenanthroline (CAS 1234997-42-2)
- Methyl (2-(4-(3-(isopropylamino)pyridin-2-yl)piperazine-1-carbonyl)-1H-indol-5-yl)carbamate (CAS 147920-14-7)
- N-(4-(2-((4-(Furan-2-yl)thiazol-2-yl)amino)-2-oxoethyl)thiazol-2-yl)-3-phenylacrylamide (CAS 1207061-65-1)
- 2-Amino-4-(1,3-diphenyl-1H-pyrazol-4-yl)-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 303794-12-9)
- 1-{1-[2-chloro-5-(trifluoromethyl)phenyl]-5-(4-methanesulfonylphenyl)-2-methyl-1H-pyrrol-3-yl}-2,2,2-trifluoroethan-1-one (CAS 338749-77-2)
- 6-Chloro-3-(3-fluorophenyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 1713588-24-9)
- Ethyl 2-(bromomethyl)isonicotinate (CAS 1351370-40-5)
- 1-(Benzyloxy)-4-bromo-2-fluoro-5-methylbenzene (CAS 2234291-65-5)
- (1-(Methylamino)cycloheptyl)methanol (CAS 1183937-04-3)
- n-(6-(1h-1,2,4-Triazol-1-yl)pyridin-3-yl)isobutyramide (CAS 1090391-32-4)
- tert-Butyl 4-(2-hydroxypropan-2-yl)piperidine-1-carboxylate (CAS 1935325-64-6)
- 4-bromo-1-chloro-2,7-naphthyridine (CAS 1588569-14-5)
- N-(1,1-Dioxidotetrahydro-3-thienyl)-β-alanine Hydrochloride (CAS 297760-52-2)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788679)
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