Isoxazolo[5,4-e][1,4]thiazepine CAS 57238-25-2
| CAS No. | 57238-25-2 |
| Molecular Formula | C6H6N2OS |
| Molecular Weight | 154.19 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 Isoxazolo[5,4-e][1,4]thiazepine.
Isoxazolo[5,4-e][1,4]thiazepine (CAS 57238-25-2), molecular formula C6H6N2OS and molecular weight 154.19 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system, Isoxazolo[5,4-e][1,4]thiazepine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 154.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures Isoxazolo[5,4-e][1,4]thiazepine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H6N2OS |
| Molecular Weight | 154.19 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Isoxazolo Standards
- Isoxazolo[5,4-d][1,3]thiazepine (CAS 27629-49-8)
- Isoxazolo[5,4-f]indolizine (CAS 105583-52-6)
- Isoxazolo[5,4-e]indolizine (CAS 110799-54-7)
- 2H-Isoxazolo[4,5-f]isoindole (CAS 118716-69-1)
- Isoxazolo[4,3-g]indolizine (CAS 125612-97-7)
- 2H-Isoxazolo[3,4,5-de]quinoline (CAS 130201-75-1)
- 1H-Isoxazolo[3,4-b]indole (CAS 140469-00-7)
- 2H-Isoxazolo[5,4-f]indole (CAS 146781-77-3)
Recommended Standards
- Imidazo[2,1-b]thiazole-5,6-diamine (CAS 863203-49-0)
- N-pyrimidin-2-ylthiourea (CAS 31437-20-4)
- Imidazo[2,1-b][1,3,4]thiadiazol-6-ylmethanamine (CAS 933698-31-8)
- 3015AE 41907-99-7 5-Acetyl-thiophene-3-carbaldehyde C7H6O2S (CAS 41907-99-7)
- 8-Ethyl-4,4,6-trimethyl-6-phenyl-5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-1,2-dione (CAS 835891-49-1)
- 3-Methoxy-4-iodo-5-nitro-benzaldehyde (CAS 1021493-53-7)
- (2-Bromopyridin-4-yl)(piperidin-1-yl)methanone (CAS 1209458-61-6)
- Benzyl 6-hydroxynicotinate (CAS 191157-01-4)
- 6-Bromo-4-chloro-7-fluoroquinoline-3-carbonitrile (CAS 936497-84-6)
- 3-(2,2-Dimethylthietan-3-yl)-1,1-diethylurea (CAS 1866281-59-5)
- Glycyl-D-glutamine (CAS 115588-13-1)
- N-(1,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-4-yl)acetamide (CAS 876509-21-6)
- 4-(3-(5-Amino-2-(furan-2-yl)-7H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-7-yl)propyl)phenol (CAS 188112-92-7)
- Insulin Degludec Impurity 6 (CAS CATO-C4X-21576)
Why CATO?
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