1-((3-Bromothiophen-2-yl)methyl)-1h-pyrazol-4-amine CAS 1249819-10-0
| CAS No. | 1249819-10-0 |
| Molecular Formula | C8H8BrN3S |
| Molecular Weight | 258.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-((3-Bromothiophen-2-yl)methyl)-1h-pyrazol-4-amine is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-((3-Bromothiophen-2-yl)methyl)-1h-pyrazol-4-amine (CAS 1249819-10-0), molecular formula C8H8BrN3S and molecular weight 258.14 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-((3-Bromothiophen-2-yl)methyl)-1h-pyrazol-4-amine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 258.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-((3-Bromothiophen-2-yl)methyl)-1h-pyrazol-4-amine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H8BrN3S |
| Molecular Weight | 258.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Bromothiophen Standards
- 3-(5-Bromothiophen-2-yl)-1-methyl-1h-pyrazol-5-amine (CAS 1152666-33-5)
- 1-((5-Bromothiophen-2-yl)methyl)-1h-pyrazol-4-amine (CAS 1152867-73-6)
- 1-((5-Bromothiophen-2-yl)methyl)-1h-imidazol-2-amine (CAS 1183090-95-0)
- 1-((3-Bromothiophen-2-yl)methyl)-1h-pyrazol-3-amine (CAS 1250547-14-8)
- 3-(5-Bromothiophen-2-yl)-4-methyl-1h-pyrazol-5-amine (CAS 1310810-69-5)
- 3-(3-Bromothiophen-2-yl)-4-methyl-1h-pyrazol-5-amine (CAS 1346943-79-0)
- 1-[(4-bromothiophen-2-yl)methyl]-1h-pyrazol-5-amine (CAS 956453-87-5)
- 4-(5-Bromothiophen-2-yl)-3,5-dimethylisoxazole (CAS 1245649-81-3)
Recommended Standards
- 4-((4-Bromo-1H-pyrazol-1-yl)methyl)-2-methylthiazole (CAS 1183265-94-2)
- 4-Bromo-1-(thiophen-2-ylmethyl)-1h-pyrazol-3-amine (CAS 1250566-44-9)
- 2-Chloro-N-(4-chlorobenzyl)-N-cyclopropylacetamide (CAS 1177199-20-0)
- 2-Chloro-N-(3-chlorobenzyl)-N-cyclopropylacetamide (CAS 1175651-36-1)
- 5-Bromo-2-iodobenzaldehyde (CAS 689291-89-2)
- 5-Ethyl-N-isobutyl-4-methylthiophene-2-carboxamide (CAS 1210715-54-0)
- Methyl (S)-2-benzamido-5-ureidopentanoate (CAS 14325-36-1)
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- 2-(Pyridin-3-ylamino)-1,3-thiazole-4-carboxylic acid (CAS 1283108-40-6)
- (R)-2-Amino-2-(4-bromo-1H-indol-3-yl)acetic acid (CAS 1384269-04-8)
- (4-Dimethylamino-benzyl)-thiazol-2-yl-amine (CAS 13159-95-0)
- N-(pyrrolidin-1-yl)-1H-indole-3-carboxamide (CAS 137643-38-0)
- Ethyl 5-chloro-7-cyano-1H-indole-2-carboxylate (CAS 1352885-44-9)
- Tirzepatide Impurity 24 X TFA Salt (CAS CATO-C4X-324024)
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