6-Methyl-1H-pyrrolo[2,3-d]pyrimidine-2,4(3H,5H)-dione CAS 18149-53-6
| CAS No. | 18149-53-6 |
| Molecular Formula | C7H7N3O2 |
| Molecular Weight | 165.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Methyl-1H-pyrrolo[2,3-d]pyrimidine-2,4(3H,5H)-dione (CAS 18149-53-6), molecular formula C7H7N3O2 and molecular weight 165.15 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H7N3O2, 6-Methyl-1H-pyrrolo[2,3-d]pyrimidine-2,4(3H,5H)-dione contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 165.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C7H7N3O2 |
| Molecular Weight | 165.15 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 3 |
Recommended Standards
- Ethyl 5-cyano-1H-pyrazole-3-carboxylate (CAS 1809384-28-8)
- 4-Nitro-2,3-dihydro-1H-pyrrolo[2,3-b]pyridine (CAS 1822922-04-2)
- N-(4-Formylpyrimidin-2-yl)acetamide (CAS 180869-44-7)
- Methyl 1-(cyanomethyl)-1H-pyrazole-4-carboxylate (CAS 1824468-12-3)
- 2-(1-(Sec-butylamino)ethyl)-5-fluorophenol (CAS 1343848-69-0)
- 1-Ethyl-6,7-dihydroxy-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 18465-39-9)
- 6-Bromo-4,4-dimethyl-1,2,3,4-tetrahydroisoquinoline Hydrochloride (CAS 1203684-61-0)
- (3R,4S)-rel-4-(6-Methoxypyridin-3-yl)pyrrolidine-3-carboxylic acid dihydrochloride (CAS 1392212-96-2)
- Sodium 5-(tert-butyl)-2-hydroxybenzenesulfonate (CAS 43047-84-3)
- 270063-60-0 3-amino-2-[9H-fluoren-9-ylmethoxy(oxo)methyl]-4-(3-pyridinyl)butanoic acid 3-azanyl-2-(9H-fluoren-9-ylmethoxycarbonyl)-4-pyridin-3-yl-butanoic acid A818809 (CAS 270063-60-0)
- 1-(Naphthalen-1-yl)propan-1-amine hydrochloride (CAS 149854-36-4)
- (S)-α,α-Diphenylprolinol HCl (CAS 148719-90-8)
- 2-Chloro-4-fluoro-3-(trifluoromethyl)pyridine (CAS 1227574-46-0)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788694)
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