2,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine CAS 2347374-92-7
| CAS No. | 2347374-92-7 |
| Molecular Formula | C6H3Cl2N3 |
| Molecular Weight | 188.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H3Cl2N3, 2,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine contains a nitrile group, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 188.01 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).
CATO supplies 2,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine (CAS 2347374-92-7), a certified reference material (molecular formula C6H3Cl2N3, MW 188.01 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 2,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H3Cl2N3 |
| Molecular Weight | 188.01 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichloro Standards
- 3,4-Dichloro-2-hydroxybenzonitrile (CAS 115661-18-2)
- 5,6-Dichloro-1,3-benzoxazole (CAS 1267335-10-3)
- 3,5-Dichloro-1H-pyrazolo[4,3-b]pyridine (CAS 1310680-12-6)
- 2,4-Dichloro-3H-pyrrolo[3,2-d]pyrimidine (CAS 1310680-17-1)
- 3,6-Dichloro-1H-pyrazolo[3,4-b]pyridine (CAS 1352893-80-1)
- 6,7-Dichloro-3H-imidazo[4,5-b]pyridine (CAS 1378594-79-6)
- 3,6-Dichloro-1H-pyrazolo[4,3-c]pyridine (CAS 1431721-01-5)
- 4,5-Dichloro-2-hydroxybenzonitrile (CAS 1541259-78-2)
Recommended Standards
- 2,5-Dichloro-4-hydroxybenzonitrile (CAS 3336-18-3)
- 2,5-Dichlorobenzooxazole (CAS 3621-81-6)
- 2,4-Dichloropyrrolo[3,2-d]pyrimidine (CAS 63200-54-4)
- 2,5-Dichloroimidazo[4,5-b]pyridine (CAS 438190-90-0)
- Dihydroxyacetone phosphate dilithium salt (CAS 102783-56-2)
- 5,5'-Thiobis(2-phenylisoindoline-1,3-dione) (CAS 58974-89-3)
- Nitrous Oxide- (CAS 20621-02-7)
- 6-Phenyl-5-(4-phenylpiperazin-1-yl)-2,3-dihydropyridazin-3-one (CAS 98896-30-1)
- 8-Bromo-1,2,3,5-tetrahydro-4H-pyrido[2,3-b][1,4]diazepin-4-one (CAS 941604-90-6)
- 1-methyl-3-(4-nitrophenyl)-1H-pyrazole-4-carbaldehyde (CAS 1152508-77-4)
- 4-Hydroxy-2-phenylquinoline-3-carboxylic acid (CAS 13180-35-3)
- 1-(4-(4-Hydroxybutyl)phenyl)ethan-1-one (CAS 100256-34-6)
- 2-Amino-N-cyclopropyl-N-(4-nitrobenzyl)acetamide (CAS 1353955-62-0)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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