3-Amino-3H-pyrimido[5,4-b]indol-4(5H)-one CAS 110963-32-1
| CAS No. | 110963-32-1 |
| Molecular Formula | C10H8N4O |
| Molecular Weight | 200.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
3-Amino-3H-pyrimido[5,4-b]indol-4(5H)-one (CAS 110963-32-1) is a high-purity analytical reference standard with the molecular formula C10H8N4O and a molecular weight of 200.20 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, 3-Amino-3H-pyrimido[5,4-b]indol-4(5H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 200.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C10H8N4O |
| Molecular Weight | 200.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 2-Methyl-[1,2,4]triazolo[5,1-b]quinazolin-9(1H)-one (CAS 109224-44-4)
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- 4-[(4-Trifluoromethyl)phenyl]-1-butene (CAS 113170-92-6)
- (3,3-difluorocyclobutyl)methyl methanesulfonate (CAS 1132843-09-4)
- 1-(3,4-Difluorophenyl)pentan-2-ol (CAS 1443355-75-6)
- 2-(Pyrrolidin-1-yl)-4-(trifluoromethyl)pyridine (CAS 753454-54-5)
- (6-Bromopyridin-3-yl)(2-chlorophenyl)methanol (CAS 2230490-53-4)
- 2-(1-amino-2-ethylbutyl)thiophene hydrochloride (CAS 1193387-61-9)
- 2-Ethoxy-4-(4-methyl-4H-1,2,4-triazol-3-yl)aniline (CAS 1578247-81-0)
- 962-13-0 A845561 amino-[bromo(phenyl)methylidene]-(4-nitrophenyl)ammonium azanyl-[bromanyl(phenyl)methylidene]-(4-nitrophenyl)azanium (CAS 962-13-0)
- 4-Chloro-3-(3-fluorophenyl)pyridin-2-amine (CAS 1381941-71-4)
- 6,7-Dihydroxy-3-methylisochroman-4-one (CAS 1411987-06-8)
- Darolutamide Impurity 42 (CAS CATO-C4X-310642)
- Semaglutide impurity 227 (CAS CATO-C4X-2226227)
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