4-Chloro-6-methyl-7-(phenylsulfonyl)-7H-pyrrolo[2,3-d]pyrimidine CAS 252723-16-3
| CAS No. | 252723-16-3 |
| Molecular Formula | C13H10ClN3O2S |
| Molecular Weight | 307.76 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.
4-Chloro-6-methyl-7-(phenylsulfonyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 252723-16-3) is a high-purity analytical reference standard with the molecular formula C13H10ClN3O2S and a molecular weight of 307.76 g/mol.
Based on its molecular formula C13H10ClN3O2S, 4-Chloro-6-methyl-7-(phenylsulfonyl)-7H-pyrrolo[2,3-d]pyrimidine contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 307.76 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C13H10ClN3O2S |
| Molecular Weight | 307.76 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- [4-(2-pyridin-2-ylethoxy)phenyl]amine,HCl (CAS 1431966-68-5)
- 4-Methyl-5-phenyl-1H-1,2,3-triazole (CAS 55324-06-6)
- (2E)-Pent-2-enoyl chloride (CAS 33698-85-0)
- 3-(Boc-amino)-8-azabicyclo[3.2.1]octane (CAS 287114-25-4)
- Ropazine (CAS 3601-19-2)
- 3-[(E)-2-phenylethenyl]-4,5-dihydro-1H-1,2,4-triazole-5-thione (CAS 58064-56-5)
- 2-(5-Bromobenzo[b]thiophen-3-yl)acetonitrile (CAS 23799-61-3)
- 4-(1H-imidazol-4-ylmethyl)phenol (CAS 911701-06-9)
- Cilastatin Impurity 13 (CAS 2519489-73-5)
- Liraglutide Impurity 16 TFA Salt (CAS CATO-C4X-199216)
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