Cyclobuta[b]pyrido[2,3-e]pyrazine-6,7(5H,8H)-dione CAS 33528-01-7
| CAS No. | 33528-01-7 |
| Molecular Formula | C9H5N3O2 |
| Molecular Weight | 187.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Cyclobuta[b]pyrido[2,3-e]pyrazine-6,7(5H,8H)-dione is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies Cyclobuta[b]pyrido[2,3-e]pyrazine-6,7(5H,8H)-dione (CAS 33528-01-7), a certified reference material (molecular formula C9H5N3O2, MW 187.15 g/mol) for analytical method development and quality control.
Cyclobuta[b]pyrido[2,3-e]pyrazine-6,7(5H,8H)-dione (C9H5N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), Cyclobuta[b]pyrido[2,3-e]pyrazine-6,7(5H,8H)-dione 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 | C9H5N3O2 |
| Molecular Weight | 187.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 3 |
Related Cyclobuta Standards
- Cyclobuta[b]pyrido[3,4-e]pyrazine-6,7(5H,8H)-dione (CAS 33528-02-8)
- Cyclobuta[b]quinoxaline-1,2(3H,8H)-dione (CAS 20420-52-4)
- Cyclobuta[b]quinoxaline-1,2-dione (CAS 64014-14-8)
- Cyclobuta[b]naphthalene-1,2-dione (CAS 41634-34-8)
- Cyclobuta[1,2-b:4,3-b']dipyridine (CAS 259-84-7)
- Cyclobuta[b]quinoxaline (CAS 6847-24-1)
- Cyclobuta[g]quinoxaline (CAS 286390-29-2)
- 2H-Cyclobuta[4,5]pyrrolo[2,1-b][1,3]oxazine (CAS 350027-29-1)
Recommended Standards
- Chromeno[3,4-d][1,2,3]triazol-4(3H)-one (CAS 40235-42-5)
- 6-Cyanoquinoxaline-2,3-dione (CAS 61875-40-9)
- Imidazo[4,5-f]isoindole-5,7(1H,6H)-dione (CAS 465539-50-8)
- 6-Cyanobenzofuran-2-carboxylic acid (CAS 84102-90-9)
- 2-(3,4-dichlorophenyl)cyclopentan-1-one (CAS 1247609-07-9)
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- 3-(1H-benzo[d]imidazol-2-yl)benzonitrile (CAS 906816-19-1)
- (E)-2-Methyl-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)but-3-en-2-ol (CAS 2129163-43-3)
- N-(3-ethyl-2-oxo-2,3-dihydroquinazolin-4-yl)-4-methylbenzenesulfonamide (CAS 478033-09-9)
- 1-(2-Methoxy-4-(trifluoromethoxy)phenyl)ethan-1-one (CAS 886500-08-9)
- Carisoprodol EP Impurity C (CAS 78-26-2)
- 4-Chloro-2-(trifluoromethyl)pyrimidine (CAS 1514-96-1)
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- Protein Kinase C (alpha) Peptide (CAS 159939-84-1)
Why CATO?
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