1-(2-Bromophenyl)-5-(thiophen-2-yl)-1H-pyrazole CAS 1269292-50-3
| CAS No. | 1269292-50-3 |
| Molecular Formula | C13H9BrN2S |
| Molecular Weight | 305.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-(2-Bromophenyl)-5-(thiophen-2-yl)-1H-pyrazole (CAS 1269292-50-3), molecular formula C13H9BrN2S and molecular weight 305.19 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, bromine substitution, 1-(2-Bromophenyl)-5-(thiophen-2-yl)-1H-pyrazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 305.19 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).
CATO manufactures 1-(2-Bromophenyl)-5-(thiophen-2-yl)-1H-pyrazole 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 | C13H9BrN2S |
| Molecular Weight | 305.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Bromophenyl Standards
- n-(2-Bromophenyl)pyrrolidine-1-sulfonamide (CAS 1042644-43-8)
- 3-(((4-Bromophenyl)sulfonyl)methyl)-3-methyloxetane (CAS 1204129-90-7)
- 1-(2-Bromophenyl)-5-(thiophen-3-yl)-1H-pyrazole (CAS 1269292-27-4)
- 1-(4-Bromophenyl)-5-(thiophen-3-yl)-1H-pyrazole (CAS 1269293-87-9)
- 1-(4-Bromophenyl)-2-(ethylsulfonyl)propan-1-one (CAS 1343074-02-1)
- 1-[(3-bromophenyl)sulfonyl]piperazine (CAS 179051-77-5)
- 1-((2-Bromophenyl)sulfonyl)piperazine (CAS 744243-41-2)
- 1-(4-Bromophenyl)-1h-1,3-benzodiazole-2-thiol (CAS 503180-94-7)
Recommended Standards
- methyl 4-[(4-bromobenzene)sulfinyl]butanoate (CAS 1250092-90-0)
- 2-Bromo-6-(1-(methylsulfonyl)pyrrolidin-2-yl)pyridine (CAS 1316218-67-3)
- 3-Bromo-N-ethyl-N-(2-(methylamino)-2-oxoethyl)thiophene-2-carboxamide (CAS 1211027-34-7)
- 5-Bromo-2-(1-(methylsulfonyl)pyrrolidin-2-yl)pyridine (CAS 1361114-85-3)
- N1-(2-Methylquinolin-4-yl)ethane-1,2-diamine (CAS 81528-71-4)
- 2-(Dihydro-2H-thiopyran-4(3H)-ylidene)acetonitrile (CAS 204651-42-3)
- LM11A-31 (CAS 102562-74-3)
- Allyl chlorodifluoroacetate (CAS 118337-48-7)
- methyl 2-bromo-3-(2-fluorophenyl)propanoate (CAS 1248164-45-5)
- 2-(5-Amino-2-oxopiperidin-1-yl)-N-ethylpropanamide (CAS 1706428-82-1)
- 1-(((3-Fluorophenyl)amino)methyl)cyclopentan-1-ol (CAS 1495599-54-6)
- 2-(4-Methoxyphenyl)-1-{[5-(2-nitrophenyl)furan-2-yl]methyl}pyrrolidine (CAS 1019158-02-1)
- 1-(Carboxymethyl)-4,5-dimethyl-1H-imidazole 3-oxide (CAS 126262-78-0)
- Endo-38a-Pro-Exenatide trifluoroacetate salt (CAS 1678416-95-9)
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