1,5-Dioxo-2,3,4,5-tetrahydropyrrolo[1,2-a]quinazoline-3a(1H)-carboxylic acid CAS 871909-89-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 871909-89-6 |
| Molecular Formula | C12H10N2O4 |
| Molecular Weight | 246.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,5-Dioxo-2,3,4,5-tetrahydropyrrolo[1,2-a]quinazoline-3a(1H)-carboxylic acid (CAS 871909-89-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H10N2O4. Molecular weight: 246.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H10N2O4 |
| Molecular Weight | 246.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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.) | 1987 |
| Nitrogen Atoms | 2 |
Related Dioxo Standards
- 2-(3,6-Dioxo-2-phenyl-1,2,3,6-tetrahydropyridazin-4-yl)acetic acid (CAS 5338-29-4)
- 2,4-Dioxo-3-(p-tolyl)-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid (CAS 202197-49-7)
- 3-Methyl-2,4-dioxo-1-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid (CAS 37804-36-7)
- Methyl 3-(2,4-dioxo-1,2,3,4-tetrahydro-5-pyrimidinyl)benzoate (CAS 893737-33-2)
- Methyl 4-(2,4-dioxo-1,2,3,4-tetrahydro-5-pyrimidinyl)benzoate (CAS 893737-30-9)
- 2,2-dioxo-3-propan-2-yl-1H-2lambda6,1,3-benzothiadiazin-4-one (CAS 1330188-66-3)
- 3-Methyl-1,1-dioxo-2H-thieno[3,2-E][1,2,4]thiadiazine-6-carboxylic acid (CAS 1306605-57-1)
- 5-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)pentanamide (CAS 4403-43-4)
Recommended Standards
- 1-(5-Methyl-3-(3-nitrophenyl)-1H-1,2,4-triazol-1-yl)ethan-1-one (CAS 61598-91-2)
- 1-Benzyl-1H-imidazole-4,5-dicarboxylic acid (CAS 42190-83-0)
- 1-(4-Methoxyphenyl)-4-oxo-1,4-dihydropyridazine-3-carboxylic acid (CAS 478077-66-6)
- 7-chloro-3-iodo-1H-pyrrolo[3,2-b]pyridine (CAS 1190318-10-5)
- 5-Methoxy-1-naphthoic Acid (CAS 51934-37-3)
- (S)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-cyclobutylpropanoic acid (CAS 1260605-23-9)
- 1,3-Dichloro-5-fluoroisoquinoline (CAS 1259223-98-7)
- 1-(4-Methoxybenzyl)-3,5-dimethyl-1h-pyrazole-4-carboxylic acid (CAS 1022989-64-5)
- Linagliptin Impurity 75 (CAS 14785-95-6)
- Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 1816258-36-2)
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 13829788188 / jacky.chen@cato-chem.com