1243346-92-0 4-Chloro-1H-pyrrolo[2,3-d]pyrimidine Hydrochloride 4-Chloropyrrolo[2,3-d]pyrimidine Hydrochloride 6-Chloro-7-deazapurine Hydrochloride NSC 64952 Hydrochloride CAS 1243346-92-0
| CAS No. | 1243346-92-0 |
| Molecular Formula | C6H4ClN3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1243346-92-0 4-Chloro-1H-pyrrolo[2,3-d]pyrimidine Hydrochloride 4-Chloropyrrolo[2,3-d]pyrimidine Hydrochloride 6-Chloro-7-deazapurine Hydrochloride NSC 64952 Hydrochloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
1243346-92-0 4-Chloro-1H-pyrrolo[2,3-d]pyrimidine Hydrochloride 4-Chloropyrrolo[2,3-d]pyrimidine Hydrochloride 6-Chloro-7-deazapurine Hydrochloride NSC 64952 Hydrochloride (CAS 1243346-92-0), molecular formula C6H4ClN3HCl and molecular weight 190.03 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, chlorine substitution, an aromatic ring system, 1243346-92-0 4-Chloro-1H-pyrrolo[2,3-d]pyrimidine Hydrochloride 4-Chloropyrrolo[2,3-d]pyrimidine Hydrochloride 6-Chloro-7-deazapurine Hydrochloride NSC 64952 Hydrochloride is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 190.03 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C6H4ClN3 HCl |
| Molecular Weight | 190.03 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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- 1-Bromo-4-(bromomethyl)-5-chloro-2-fluorobenzene (CAS 1355636-63-3)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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