[5-(1-Benzofuran-2-yl)isoxazol-3-yl]methanol CAS 5776-96-5
| CAS No. | 5776-96-5 |
| Molecular Formula | C12H9NO3 |
| Molecular Weight | 215.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), [5-(1-Benzofuran-2-yl)isoxazol-3-yl]methanol 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.
[5-(1-Benzofuran-2-yl)isoxazol-3-yl]methanol (CAS 5776-96-5), molecular formula C12H9NO3 and molecular weight 215.20 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, [5-(1-Benzofuran-2-yl)isoxazol-3-yl]methanol (C12H9NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 215.20 g/mol, it falls into the medium-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 | C12H9NO3 |
| Molecular Weight | 215.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Benzofuran Standards
- 5-(5-methyl-1-benzofuran-2-yl)-1,3,4-oxadiazol-2-amine (CAS 1248746-00-0)
- (S)-1-(Benzofuran-6-yl)-2,2,2-trifluoroethan-1-amine (CAS 699010-41-8)
- 1-(1-Benzofuran-2-yl)-3-(dimethylamino)prop-2-en-1-one (CAS 112677-18-6)
- Benzofuran-2-yl(pyrrolidin-1-yl)methanone (CAS 92028-90-5)
- n-(1-Benzofuran-2-ylmethyl)cyclopentanamine (CAS 1038232-05-1)
- Benzofuran-2-yl(cyclopentyl)methanamine (CAS 1337513-33-3)
- 1-(Benzofuran-2-yl)-2,2,2-trifluoroethanone (CAS 75277-96-2)
- 4-(Benzofuran-2-yl)thiazol-2-amine (CAS 3084-04-6)
Recommended Standards
- (Z)-4-((3-ethynylphenyl)amino)-4-oxobut-2-enoic acid (CAS 951166-01-1)
- 1-(1-Carboxy-1-methylethyl)-5-oxopyrrolidine-3-carboxylic acid (CAS 2092417-61-1)
- (S)-Methyl 2-amino-3-(3,5-difluorophenyl)propanoate (CAS 473567-59-8)
- 1-(3-Acetylphenyl)-2,5-dihydro-1H-pyrrole-2,5-dione (CAS 95695-43-5)
- 2-(2-Bromophenyl)-5-chloro-1h-1,3-benzodiazole (CAS 14225-83-3)
- 2-(Chloromethyl)-4-cyano-3-(difluoromethyl)-5-methylpyridine (CAS 1806984-27-9)
- 2-Chloro-4-(oxetan-3-yloxy)pyrimidine (CAS 1312537-51-1)
- 2-Acetamido-N'-[(4-methoxyphenyl)methyl]-N-[4-(propan-2-yl)phenyl]propanediamide (CAS 866039-23-8)
- 4-(1-aminoethyl)-2-methylbenzonitrile (CAS 1270420-24-0)
- Pirprofen (CAS 31793-07-4)
- p-Fluoro Fentanyl-d3 (CAS 1189887-65-7)
- 1,2-Dimethyl-7-nitro-1H-benzo[d]imidazole (CAS 13183-06-7)
- 3,3',5,5'-Tetrabromobisphenol A (ring,dimethyl-D10) (CAS 2732834-96-5)
- Tirzepatide Impurity 10 (CAS CATO-C4X-324010)
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