4-Oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidine-5-carboxylic acid CAS 1554479-81-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1554479-81-0 |
| Molecular Formula | C7H5N3O3 |
| Molecular Weight | 179.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidine-5-carboxylic acid (CAS 1554479-81-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5N3O3. Molecular weight: 179.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H5N3O3 |
| Molecular Weight | 179.13 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 methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 3 |
Related Oxo Standards
- 7-Oxo-7,8-dihydro-6H-pyrimido[5,4-β][1,4]oxazine-2-carboxaldehyde (CAS 1003946-48-2)
- 6-Oxo-6,7-dihydro-5H-pyridazino[3,4-b][1,4]oxazine-3-carbaldehyde (CAS 1003947-30-5)
- 3-Oxo-2,3-dihydro-[1,2,4]triazolo-[4,3-a]pyridine-7-carboxylic acid (CAS 1083369-17-8)
- 6-Oxo-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidine-4-carboxylic acid (CAS 1095824-74-0)
- 3-Oxo-2,3-dihydro-[1,2,4]triazolo[4,3-a]pyridine-6-carboxylic acid (CAS 1241828-07-8)
- 3-Oxo-2,3-dihydro-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 1247562-67-9)
- 2-Oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridine-6-carboxylic acid (CAS 1388048-97-2)
- 2-Oxo-2,3-dihydro-1,3-benzoxazole-7-carboxylic acid (CAS 141940-33-2)
Recommended Standards
- 7-Hydroxy-1H-benzo[d][1,2,3]triazole-5-carboxylic acid (CAS 155085-55-5)
- 2-hydroxy-3H-imidazo[4,5-b]pyridine-7-carboxylic acid (CAS 1565404-86-5)
- 5-(furan-3-yl)-1,2-oxazole-4-carboxylic acid (CAS 1540898-58-5)
- 2-((4-Methylphenyl)sulfonamido)hexanoic acid (CAS 96789-87-6)
- 4-Phenoxypicolinimidamide hydrochloride (CAS 1179360-92-9)
- 5-(Phenoxymethyl)-1,3,4-oxadiazol-2-amine (CAS 21520-88-7)
- sec-Butyl 2-[1-(2-bromoacetyl)-3-oxo-2-piperazinyl]acetate (CAS 1219147-69-9)
- Etodolac EP Impurity L Ammonium Salt (CAS 2789629-50-9 (free base))
- ((1R,2R)-2-(4-Chlorophenyl)cyclopropyl)methanol (CAS 173679-64-6)
- Biotinyl-Neuropeptide W-23 (human) (CAS 1815618-09-7)
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