| CAS-Nummer | 3680-69-1 |
| Summenformel | C6H4ClN3 |
| Molare Masse | 153.57 g/mol |
| Aussehen | White crystalline solid |
| Schmelzpunkt | 186-189 °C |
| Siedepunkt | 325.9 °C (760 mmHg, Predicted) |
| SMILES | Clc1ncnc2[nH]ccc12 |
| InChIKey | BPTCCCTWWAUJRK-UHFFFAOYSA-N |
| Beschreibung | 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine, with 4-chloro as a nucleophilic aromatic substitution handle. Condenses with amines to construct pyrrolopyrimidine drugs; key intermediate for JAK inhibitors like tofacitinib. |
| Anwendungen | Pharmaceutical intermediate; pyrrolopyrimidine; JAK inhibitor intermediate |
| Gefahrenklasse | Acute Tox. 3 (Oral); Skin Irrit. 2; Eye Irrit. 2; STOT SE 3 (Resp) |
| Gefahrenhinweise (H-Sätze) | H301; H315; H319; H335 |
| Sicherheitshinweise (P-Sätze) | P261; P264; P270; P271; P280; P301+P310+P330; P302+P352; P304+P340; P305+P351+P338; P321; P330; P332+P313; P337+P313; P362; P403+P233; P405; P501 |