4-氯-2,6-二氨基嘧啶，CAS 登记号 156-83-2，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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4-Chloro-2,6-diaminopyrimidine · CAS 156-83-2 · C4H5ClN4. UNII 83NU5F7ZAS.
| CAS Registry Number | 156-83-2 |
|---|---|
| PubChem CID | 67432 |
| Molecular formula | C4H5ClN4 |
| IUPAC name | 6-chloropyrimidine-2,4-diamine |
| UNII (FDA) | 83NU5F7ZAS |
| Molecular Weight | 144.56 |
|---|---|
| XLogP3 | 0.5 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 144.0202739 |
| Monoisotopic Mass | 144.0202739 |
| Topological Polar Surface Area | 77.8 |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| GHS notification summary | 1.7% (1 / 60) |
|---|
| GHS notification summary | 1.7% (1 / 60) |
|---|---|
| Reported hazard statements | H302 (85%), H315 (86.7%), H319 (86.7%), H335 (85%) |
This chemical does not meet GHS hazard criteria for 1.7% (1 of 60) of reports.
H302 (85%): Harmful if swallowed [Warning Acute toxicity, oral]
156-83-2; 4-Chloro-2,6-diaminopyrimidine; 2,4-Diamino-6-chloropyrimidine; 2,6-Diamino-4-chloropyrimidine; 83NU5F7ZAS; NSC-8818; DTXSID30166022; NSC 8818; Pyrimidine, 6-chloro-2,4-diamino-; RefChem:82261; DTXCID8088513; 205-863-9; QJIUMVUZDYPQRT-UHFFFAOYSA-N; 6-Chloropyrimidine-2,4-diamine; Minoxidil EP Impurity B; 6-Chloro-pyrimidine-2,4-diamine
CAS 156-83-2; molecular formula C4H5ClN4; molecular weight — g/mol.
156-83-2, 4-Chloro-2,6-diaminopyrimidine, 2,4-Diamino-6-chloropyrimidine, 2,6-Diamino-4-chloropyrimidine, 83NU5F7ZAS, NSC-8818.
1.7% of GHS notifications report no hazard classification (1 of 60).
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.