Buspirone N-Oxide Oxalate CAS 220747-81-9(Free Base)
| CAS No. | 220747-81-9(Free Base) |
| Molecular Formula | C21H31N5O3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Buspirone N-Oxide Oxalate (CAS 220747-81-9(Free Base)), molecular formula C21H31N5O3C2H2O4 and molecular weight 491.55 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Buspirone N-Oxide Oxalate (C21H31N5O3C2H2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 491.55 g/mol, it falls into the moderately-high-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.
CATO manufactures Buspirone N-Oxide Oxalate 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 | C21H31N5O3 C2H2O4 |
| Molecular Weight | 491.55 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 5 |
Related Buspirone Standards
- Buspirone impurity 01 (CAS 105496-33-1)
- Buspirone EP Impurity K (CAS 1075-89-4)
- Buspirone EP Impurity A-d8 (Buspirone USP Related Compound A-d8) (CAS 1309283-31-5)
- Buspirone Impurity 9 (CAS 13220-24-1)
- Buspirone Impurity 21 (CAS 137583-05-2)
- Buspirone Impurity 24 (CAS 1800242-04-9)
- Buspirone Impurity 20 (CAS 1821194-01-7)
- Buspirone Impurity 23 (CAS 20261-27-2)
Recommended Standards
- 1-Cyclopentylpentane-1,4-dione (CAS 131373-79-0)
- 3-Bromo-2-(difluoromethyl)-6-fluoropyridine (CAS 1803695-57-9)
- 2-(5-Isopropyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)acetic acid (CAS 1038971-27-5)
- 227018-13-5 N-(Pyridin-3-ylmethyl)-n-(pyridin-4-ylmethyl)amine MFCD02656618 (CAS 227018-13-5)
- 1-(2,6-Dichlorobenzyl)-3'-(4-methoxyphenyl)spiro[indoline-3,2'-thiazolidine]-2,4'-dione (CAS 400081-78-9)
- 2-[(1R,3R)-3-[[(2S,3S)-2-Azido-3-methyl-1-oxopentyl]amino]-1-hydroxy-4-methylpentyl]-4-thiazolecarboxylic Acid Methyl Ester (CAS 921927-93-7)
- Methyl 3-(3-Hydroxyphenyl)-4-methylpentanoate (CAS 1142224-26-7)
- 4-(Difluoromethyl)-1-ethynyl-2-oxabicyclo[2.1.1]hexane (CAS 2649757-07-1)
- Tert-butyl (S)-2-(bromomethyl)-2-methylpyrrolidine-1-carboxylate (CAS 2306246-11-5)
- Semaglutide238 (CAS CATO-C4X-2226238)
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