1138513-35-5 C9H7BrClN3O2 Ethyl 3-bromo-7-chloropyrazolo[1,5-a]pyrimidine-6-carboxylate X9072 CAS 1138513-35-5
| CAS No. | 1138513-35-5 |
| Molecular Formula | C9H7BrClN3O2 |
| Molecular Weight | 304.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 304.53 g/mol gives 1138513-35-5 C9H7BrClN3O2 Ethyl 3-bromo-7-chloropyrazolo[1,5-a]pyrimidine-6-carboxylate X9072 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1138513-35-5 C9H7BrClN3O2 Ethyl 3-bromo-7-chloropyrazolo[1,5-a]pyrimidine-6-carboxylate X9072 (CAS 1138513-35-5) is a high-purity analytical reference standard with the molecular formula C9H7BrClN3O2 and a molecular weight of 304.53 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution, 1138513-35-5 C9H7BrClN3O2 Ethyl 3-bromo-7-chloropyrazolo[1,5-a]pyrimidine-6-carboxylate X9072 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 304.53 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 1138513-35-5 C9H7BrClN3O2 Ethyl 3-bromo-7-chloropyrazolo[1,5-a]pyrimidine-6-carboxylate X9072 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H7BrClN3O2 |
| Molecular Weight | 304.53 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
- methyl 5-bromo-2-(chloromethyl)-1,3-benzoxazole-7-carboxylate (CAS 1221792-54-6)
- Ethyl 8-bromo-6-chloroimidazo[1,2-b]pyridazine-3-carboxylate (CAS 1177415-89-2)
- 6-Bromo-7-(2-chloroacetyl)-2h-benzo[b][1,4]oxazin-3(4h)-one (CAS 1094432-20-8)
- Ethyl 8-bromo-6-chloroimidazo[1,2-b]pyridazine-2-carboxylate (CAS 1208087-79-9)
- n-((1h-Imidazol-2-yl)methyl)-3-fluoro-2-methylaniline (CAS 1248782-71-9)
- 4-Amino-3,5-diiodopyridine (CAS 98136-86-8)
- 1-(4-chloro-2-cyanophenyl)-4-methylpiperidine-4-carboxylic acid (CAS 1271093-64-1)
- 3,5,7-Trichlorobenzo[d]isoxazole (CAS 16302-62-8)
- cis-(3-ethynylcyclobutyl)methanol (CAS 163634-20-6)
- Cinacalcet Impurity 6 (CAS 1428118-39-1)
- 5-Nitroquinolin-4(1H)-one (CAS 75755-38-3)
- Azosulfon III [Spectrophotometric reagent for alkaline rare earth metals and indicator for precipitation titration of barium sulfate] (CAS 68504-35-8)
- 4-(quinolin-2-yl)but-3-yn-1-ol (CAS 121277-71-2)
- Semaglutide impurity 269 (CAS CATO-C4X-2226269)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com