Quinazoline-5,8-dione CAS 24271-82-7
| CAS No. | 24271-82-7 |
| Molecular Formula | C8H4N2O2 |
| Molecular Weight | 160.13 g/mol |
| 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.
Quinazoline-5,8-dione (CAS 24271-82-7), molecular formula C8H4N2O2 and molecular weight 160.13 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Quinazoline-5,8-dione (C8H4N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 160.13 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.
As a certified reference material (CRM), Quinazoline-5,8-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 | C8H4N2O2 |
| Molecular Weight | 160.13 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
Related Quinazoline Standards
- Quinazoline-2,6-diamine (CAS 882670-95-3)
- Quinazoline-8-carbaldehyde (CAS 1823899-37-1)
- Quinazoline-2-carbaldehyde (CAS 875251-57-3)
- Quinazoline-5-carbaldehyde (CAS 873653-76-0)
- Quinazoline-6-carbaldehyde (CAS 439811-22-0)
- Quinazoline-2,4-diol (CAS 1094158-39-0)
- Quinazoline-2(1H)-thione (CAS 40730-91-4)
- Quinazoline-4-thiol (CAS 3337-86-8)
Recommended Standards
- Benzofuro[4,5-c][1,2,5]oxadiazole (CAS 217491-03-7)
- Quinoxaline-2,3-dione (CAS 63291-47-4)
- 7-Oxo-4,7-dihydro-1H-pyrazolo[4,3-b]pyridine-6-carbonitrile (CAS 59376-27-1)
- Terephthalonitrile N,N-dioxide (CAS 3729-34-8)
- N-Methyl-1-(pyridin-2-yl)piperidin-3-amine hydrochloride (CAS 1420809-14-8)
- (3-(3-((2,4-Dichlorobenzyl)oxy)phenyl)-1H-pyrazol-1-yl)(3,4-dichlorophenyl)methanone (CAS 477712-59-7)
- rac-1-(4'-Methoxyphenyl)propanol-d2 (CAS 91889-40-6)
- Triethanolamine oleate (CAS 2717-15-9)
- 3-(2-Nitrophenyl)bicyclo[1.1.1]Pentane-1-carboxylic acid (CAS 1027205-86-2)
- 2-((2-Aminoethyl)amino)anthracene-9,10-dione hydrochloride (CAS 57524-50-2)
- 4-fluorobenzo[d]isothiazol-3(2H)-one 1,1-dioxide (CAS 120257-03-6)
- 4'-Ethyl-[1,1'-biphenyl]-4-amine (CAS 5728-70-1)
- 2-(Methylsulfonyl)acetyl chloride (CAS 56841-99-7)
- [14-31]-Semaglutide (CAS CATO-C4X-2226262)
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