4-Chloro-5-methylpyrimidine (CAS 51957-32-5) — formula C5H5ClN2, molecular weight 128.56; category organic chemicals.
4-Chloro-5-methylpyrimidine (CAS 51957-32-5) is a chemical raw material in the organic chemicals category. Its molecular formula C5H5ClN2 comprises 5 C, 5 H, 1 Cl, 2 N atoms. Its molecular weight is about 128.56. Reported physicochemical data: LogP about 1.5. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 51957-32-5 |
|---|---|
| Molecular Formula | C5H5ClN2 |
| Molecular Weight | 128.56 |
| LogP | 1.5 |
| Category | Organic Chemicals |
4-Chloro-5-methylpyrimidine is a carbon-based organic compound with CAS registry number 51957-32-5 and molecular formula C5H5ClN2 (molecular weight 128.56), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 51957-32-5
Its molecular formula C5H5ClN2 comprises 5 C, 5 H, 1 Cl, 2 N atoms.
Also known as: 4-Chloro-5-methylpyrimidine · 4-氯-5-甲基嘧啶
Category: organic chemicals
The CAS registry number of 4-Chloro-5-methylpyrimidine is 51957-32-5.
Molecular formula C5H5ClN2, molecular weight 128.56.
It is also registered under: 4-Chloro-5-methylpyrimidine, 4-氯-5-甲基嘧啶.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 4-Chloro-5-methylpyrimidine (CAS 51957-32-5), compiled from public chemistry databases.
| CAS Registry Number | 51957-32-5 |
|---|---|
| PubChem CID | 13126905 |
| Molecular formula | C5H5ClN2 |
| IUPAC name | 4-chloro-5-methylpyrimidine |
| Molecular Weight | 128.56 |
|---|---|
| XLogP3 | 1.5 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 128.0141259 |
| Monoisotopic Mass | 128.0141259 |
| Topological Polar Surface Area | 25.8 |
| Heavy Atom Count | 8 |
4-Chloro-5-methylpyrimidine; 51957-32-5; DTXSID30520125; RefChem:291779; DTXCID50470931; 849-623-7; 4-Chloro-5-methyl-pyrimidine; MFCD08236809; Pyrimidine, 4-chloro-5-methyl-; SCHEMBL859279; 4-Chloro-5-methylpyrimidine, 97%; AKOS006285522; CS-W004974; AB44072; SCHEMBL1849503; SCHEMBL3706164
| GHS notification summary | 33.3% (1 / 3) |
|---|
| GHS notification summary | 33.3% (1 / 3) |
|---|---|
| Reported hazard statements | H302 (66.7%), H315 (66.7%), H319 (66.7%), H335 (66.7%) |
This chemical does not meet GHS hazard criteria for 33.3% (1 of 3) of reports.
H302 (66.7%): Harmful if swallowed [Warning Acute toxicity, oral]
4-Chloro-5-methylpyrimidine · CAS 51957-32-5 · C5H5ClN2.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 4-氯-5-甲基嘧啶