4-chloro-5-methyl-1,2-dihydro-3H-pyrazol-3-one (CAS 73977-44-3) — formula C4H5ClN2O, molecular weight 132.55; category organic chemicals.
4-chloro-5-methyl-1,2-dihydro-3H-pyrazol-3-one (CAS 73977-44-3) is a organic chemicals. Its molecular formula C4H5ClN2O comprises 4 C, 5 H, 1 Cl, 2 N, 1 O atoms. Its molecular weight is about 132.55. Reported physicochemical data: LogP about 0.9. Organic chemicals are the largest family of carbon-based compounds, widely used across pharmaceuticals, agrochemicals, materials, cosmetics and food industries. Downstream uses span pharmaceutical ingredients, agrochemicals, dyes, solvents, surfactants, food additives and polymer materials. 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 | 73977-44-3 |
|---|---|
| Molecular Formula | C4H5ClN2O |
| Molecular Weight | 132.55 |
| LogP | 0.9 |
| Applications | 4-chloro-5-methyl-1, agrochemicals, dyes, solvents, food additives and polymer materials. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering |
| Category | Organic Chemicals |
Documented applications: 4-chloro-5-methyl-1, agrochemicals, dyes, solvents, food additives and polymer materials. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
4-chloro-5-methyl-1,2-dihydro-3H-pyrazol-3-one is a carbon-based organic compound with CAS registry number 73977-44-3 and molecular formula C4H5ClN2O (molecular weight 132.55), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 73977-44-3
Its molecular formula C4H5ClN2O comprises 4 C, 5 H, 1 Cl, 2 N, 1 O atoms.
Also known as: 4-chloro-5-methyl-1,2-dihydro-3H-pyrazol-3-one · 4-氯-5-甲基-1,2-二氢-3H-吡唑-3-酮
Category: organic chemicals
The CAS registry number of 4-chloro-5-methyl-1,2-dihydro-3H-pyrazol-3-one is 73977-44-3.
Molecular formula C4H5ClN2O, molecular weight 132.55.
It is also registered under: 4-chloro-5-methyl-1,2-dihydro-3H-pyrazol-3-one, 4-氯-5-甲基-1,2-二氢-3H-吡唑-3-酮.
Recorded applications: 4-chloro-5-methyl-1, agrochemicals, dyes, solvents, food additives and polymer materials. As a sourcing and distribution partner we can help locate and compare this item across domestic and cross-border channels, with COA and compliance files provided before ordering.
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-methyl-1,2-dihydro-3H-pyrazol-3-one (CAS 73977-44-3), compiled from public chemistry databases.
| CAS Number | 73977-44-3 |
|---|---|
| PubChem CID | 13865855 |
| Molecular Formula | C4H5ClN2O |
| IUPAC Name | 4-chloro-5-methyl-1,2-dihydropyrazol-3-one |
| Molecular Weight | 132.55 |
|---|---|
| XLogP3 | 0.9 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 132.0090405 |
| Monoisotopic Mass | 132.0090405 |
| Topological Polar Surface Area | 41.1 |
| Heavy Atom Count | 8 |
4-CHLORO-5-METHYL-2H-PYRAZOL-3-OL; 73977-44-3; SCHEMBL1531052; SCHEMBL4347154; SCHEMBL11228281; 3-hydroxy-4-chloro-5-methylpyrazole; MFCD32647673; 4-Chloro-3-methyl-1H-pyrazol-5-ol; G10758
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.