5-(Thiophen-2-yl)isoxazole-3-carbohydrazide CAS 90004-25-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 90004-25-4 |
| Molecular Formula | C8H7N3O2S |
| Molecular Weight | 209.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 5-(Thiophen-2-yl)isoxazole-3-carbohydrazide (CAS 90004-25-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C8H7N3O2S. Molecular weight: 209.23 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C8H7N3O2S |
| Molecular Weight | 209.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Thiophen Standards
- 1-(Thiophen-2-ylmethyl)-1h-1,2,3-triazole-4-carboxylic acid (CAS 1284940-06-2)
- 1-(Thiophen-3-ylmethyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1456462-38-6)
- 5-Methyl-2-(thiophen-2-yl)-1,3-oxazole-4-carboxylic acid (CAS 1016526-89-8)
- 2-[2-(thiophen-2-yl)-1,3-oxazol-4-yl]acetic acid (CAS 1082414-36-5)
- 5-Methyl-3-(thiophen-2-yl)isoxazole-4-carboxylic acid (CAS 83817-53-2)
- 5-Methyl-3-(thiophen-3-yl)-1,2-oxazole-4-carboxylic acid (CAS 943131-05-3)
- Methyl 5-(thiophen-2-yl)oxazole-4-carboxylate (CAS 85210-60-2)
- Methyl 5-(thiophen-3-yl)isoxazole-3-carboxylate (CAS 657425-23-5)
Recommended Standards
- 4-(2-amino-1,3-thiazol-4-yl)-1H-pyrrole-2-carboxylic acid (CAS 929974-96-9)
- 5-Amino-2-(thiazol-2-ylamino)pyrimidin-4(1H)-one (CAS 77961-27-4)
- 3-Methyl-6-nitrobenzo[d]thiazol-2(3h)-imine (CAS 99700-95-5)
- tert-butyl (S)-2-((1R,2R)-3-(((1R,2S)-1-hydroxy-1-phenylpropan-2-yl)amino)-1-methoxy-2-methyl-3-oxopropyl)pyrrolidine-1-carboxylate (CAS 160868-10-0)
- N'-hydroxy-2-naphthimidamide (CAS 64893-54-5)
- 4-chloro-2-(difluoromethyl)quinazoline (CAS 1039312-08-7)
- Methyl 3-((tert-butoxycarbonyl)amino)-1-methylcyclobutane-1-carboxylate (CAS 2231676-15-4)
- Rivastigmine Impurity 44 (CAS 1285033-79-5)
- 1-((5-(1-Methyl-1H-pyrazol-4-yl)pyridin-2-yl)methyl)-4-oxo-4H-quinolizine-3-carboxylic acid (CAS 1221278-96-1)
- Peptide Impurity 41 (CAS CATO-CPTD788841)
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 13829788188 / jacky.chen@cato-chem.com