3-Piperazin-1-yl-1,2-benzisoxazole CAS 87691-89-2
| CAS No. | 87691-89-2 |
| Molecular Formula | C11H13N3O |
| Molecular Weight | 203.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Piperazin-1-yl-1,2-benzisoxazole (CAS 87691-89-2), molecular formula C11H13N3O and molecular weight 203.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Piperazin-1-yl-1,2-benzisoxazole (C11H13N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 203.24 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-Piperazin-1-yl-1,2-benzisoxazole 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 | C11H13N3O |
| Molecular Weight | 203.24 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 3 |
Related Piperazin Standards
- 4-(Piperazin-1-yl)benzo[d]oxazole (CAS 105684-82-0)
- 111628-39-8 2-Piperazin-1-yl-benzooxazole 2-piperazin-1-yl-1,3-benzoxazole 2-piperazino-1,3-benzoxazole (CAS 111628-39-8)
- 4-(Piperazin-1-yl)pyrazolo[1,5-a]pyrazine (CAS 1566453-50-6)
- 4-(Piperazin-1-yl)-1H-pyrrolo[2,3-d]pyrimidine (CAS 252722-52-4)
- 4-(Piperazin-1-yl)furo[3,2-c]pyridine (CAS 81078-84-4)
- 6-Piperazin-1-ylimidazo[1,2-b]pyridazine hydrochloride (CAS 946157-08-0)
- 7-(Piperazin-1-yl)furo[2,3-c]pyridine (CAS 209160-83-8)
- 8-(Piperazin-1-yl)imidazo[1,2-a]pyrazine (CAS 76537-53-6)
Recommended Standards
- 3-methyl-3-(4-methylphenyl)pyrrolidine-2,5-dione (CAS 88612-24-2)
- 4-((3,5-Dimethylisoxazol-4-yl)methyl)phenol (CAS 75999-06-3)
- 3-Methoxy-4-(4-methyl-1-imidazolyl)aniline (CAS 958245-18-6)
- 4-((5-Ethyl-1,2,4-oxadiazol-3-yl)methyl)aniline (CAS 689251-51-2)
- 5-Bromo-3-morpholin-4-yl-pyridine-2-carbonitrile (CAS 1800399-59-0)
- 7-Oxaspiro[3.5]nonan-2-ylmethanamine (CAS 1440962-10-6)
- 4-(2-Carboxyethyl)benzoic Acid Methyl Ester (CAS 151937-09-6)
- 2-Methyl-1-(3-methyl-1H-pyrazol-1-yl)propan-1-one (CAS 69413-04-3)
- 3-(Methylamino)quinazolin-4(3H)-one (CAS 60512-86-9)
- (E)-3-(dimethylamino)-1-(p-tolyl)prop-2-en-1-one (CAS 502841-03-4)
- 1,4-Bis(2-hydroxyhexafluoroisopropyl)benzene (CAS 54736-43-5)
- 2-Bromo-4-chloro-6-fluoropyridine (CAS 1393566-50-1)
- 4-(4-Phenylpiperazin-1-yl)-6-(piperidin-1-ylmethyl)-1,3,5-triazin-2-amine (CAS 56418-85-0)
- Semaglutide impurity 233 (CAS CATO-C4X-2226233)
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