1H-Pyrazole-3-carboxylicacid, 4-bromo-, methyl ester (CAS 81190-89-8) — formula C5H5BrN2O2, molecular weight 205.01; category organic chemicals.
1H-Pyrazole-3-carboxylicacid, 4-bromo-, methyl ester (CAS 81190-89-8) is a chemical raw material in the organic chemicals category. Its molecular formula C5H5BrN2O2 comprises 5 C, 5 H, 1 Br, 2 N, 2 O atoms. Its molecular weight is about 205.01. Reported physicochemical data: LogP about 1.1. 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 | 81190-89-8 |
|---|---|
| Molecular Formula | C5H5BrN2O2 |
| Molecular Weight | 205.01 |
| LogP | 1.1 |
| Category | Organic Chemicals |
1H-Pyrazole-3-carboxylicacid, 4-bromo-, methyl ester is a carbon-based organic compound with CAS registry number 81190-89-8 and molecular formula C5H5BrN2O2 (molecular weight 205.01), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 81190-89-8
Its molecular formula C5H5BrN2O2 comprises 5 C, 5 H, 1 Br, 2 N, 2 O atoms.
Also known as: 1H-Pyrazole-3-carboxylicacid, 4-bromo-, methyl ester · 1H-吡唑-3-甲酸4-溴-甲酯
Category: organic chemicals
The CAS registry number of 1H-Pyrazole-3-carboxylicacid, 4-bromo-, methyl ester is 81190-89-8.
Molecular formula C5H5BrN2O2, molecular weight 205.01.
It is also registered under: 1H-Pyrazole-3-carboxylicacid, 4-bromo-, methyl ester, 1H-吡唑-3-甲酸4-溴-甲酯.
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 1H-Pyrazole-3-carboxylicacid, 4-bromo-, methyl ester (CAS 81190-89-8), compiled from public chemistry databases.
| CAS Registry Number | 81190-89-8 |
|---|---|
| PubChem CID | 2828046 |
| Molecular formula | C5H5BrN2O2 |
| IUPAC name | methyl 4-bromo-1H-pyrazole-5-carboxylate |
| UNII (FDA) | ST45137494 |
| Molecular Weight | 205.01 |
|---|---|
| XLogP3 | 1.1 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 2 |
| Exact Mass | 203.95344 |
| Monoisotopic Mass | 203.95344 |
| Topological Polar Surface Area | 55 |
| Heavy Atom Count | 10 |
methyl 4-bromo-1H-pyrazole-3-carboxylate; 81190-89-8; DTXSID50385177; RefChem:355602; DTXCID50336200; 640-582-9; methyl 4-bromo-1H-pyrazole-5-carboxylate; 190263-20-8; 4-Bromo-1H-pyrazole-3-carboxylic acid methyl ester; 1H-Pyrazole-3-carboxylic acid, 4-bromo-, methyl ester; MFCD00619124; 1639902-31-0; methyl 4-bromopyrazole-3-carboxylate; MFCD00466326; 4-BROMO-1H-PYRAZOLE-5-CARBOXYLIC ACID METHYL ESTER; 4-bromopyrazole-3-carboxylic acid methyl ester
| Reported hazard statements | H302 (66.7%), H312 (33.3%), H315 (100%), H319 (100%), H332 (66.7%), H335 (100%) |
|---|
H302 (66.7%): Harmful if swallowed [Warning Acute toxicity, oral]
H312 (33.3%): Harmful in contact with skin [Warning Acute toxicity, dermal]
1H-Pyrazole-3-carboxylicacid, 4-bromo-, methyl ester · CAS 81190-89-8 · C5H5BrN2O2. UNII ST45137494.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 1H-吡唑-3-甲酸4-溴-甲酯