2-(Tert-butyl)-5-(1-methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazol-5-yl)-1,3,4-oxadiazole CAS 338962-39-3
| CAS No. | 338962-39-3 |
| Molecular Formula | C13H13F3N4OS |
| Molecular Weight | 330.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-(Tert-butyl)-5-(1-methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazol-5-yl)-1,3,4-oxadiazole.
2-(Tert-butyl)-5-(1-methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazol-5-yl)-1,3,4-oxadiazole (CAS 338962-39-3) is a high-purity analytical reference standard with the molecular formula C13H13F3N4OS and a molecular weight of 330.33 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution, 2-(Tert-butyl)-5-(1-methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazol-5-yl)-1,3,4-oxadiazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 330.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), 2-(Tert-butyl)-5-(1-methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazol-5-yl)-1,3,4-oxadiazole 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 | C13H13F3N4OS |
| Molecular Weight | 330.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Recommended Standards
- 2-(Ethylsulfonyl)-4-(p-tolyl)-6-(trifluoromethyl)pyrimidine (CAS 832737-37-8)
- 3-([1,1′-Biphenyl]-4-yloxy)-7-hydroxy-4H-1-benzopyran-4-one (CAS 370841-90-0)
- 2-(Benzyloxy)-1-hydroxyanthracene-9,10-dione (CAS 22516-62-7)
- 3,3’-Bisdemethylpinoresinol (CAS 340167-81-9)
- 2-((2,5-Dimethoxyphenyl)sulfinyl)benzaldehyde (CAS 1147093-26-2)
- (3R,4R)-1-(tert-butoxycarbonyl)-4-(cyclohexylmethyl)pyrrolidine-3-carboxylic acid (CAS 1263283-77-7)
- Ethyl 4-(dimethylamino)-5,8-difluoroquinoline-3-carboxylate (CAS 1315353-23-1)
- 5-Methylfuro[3,2-b]pyridine-2-carboxylic acid hydrochloride (CAS 66497-44-7)
- N-((1-(2-Chloroacetyl)piperidin-2-yl)methyl)-N-ethylacetamide (CAS 1353952-27-8)
- Methyl 2-(cyclopentylamino)acetate (CAS 190904-15-5)
- Raltitrexed Impurity 20 (CAS CATO-C4X-138620)
- Phenanthro[1,10-cd][1,2]dithiole (CAS 158690-51-8)
- Sodium 2-(hydroxymethyl)benzene-1-sulfonate (CAS 31910-67-5)
- Semaglutide impurity 72 (CAS CATO-C4X-222672)
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