2-[5-Amino-3-(thiophen-2-yl)-1H-pyrazol-1-yl]ethan-1-ol CAS 956440-32-7
| CAS No. | 956440-32-7 |
| Molecular Formula | C9H11N3OS |
| Molecular Weight | 209.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-[5-Amino-3-(thiophen-2-yl)-1H-pyrazol-1-yl]ethan-1-ol.
CATO supplies 2-[5-Amino-3-(thiophen-2-yl)-1H-pyrazol-1-yl]ethan-1-ol (CAS 956440-32-7), a certified reference material (molecular formula C9H11N3OS, MW 209.27 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H11N3OS, 2-[5-Amino-3-(thiophen-2-yl)-1H-pyrazol-1-yl]ethan-1-ol contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 209.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 2-[5-Amino-3-(thiophen-2-yl)-1H-pyrazol-1-yl]ethan-1-ol 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 | C9H11N3OS |
| Molecular Weight | 209.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | 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.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
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- 3-Amino-2,5,6-trimethyl-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 80381-63-1)
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Recommended Standards
- 2-[(methylsulfanyl)(morpholin-4-yl)methylidene]propanedinitrile (CAS 55883-90-4)
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- 2-Hydrazino-4-methoxy-7-methyl-1,3-benzothiazole (CAS 872696-09-8)
- 2-(2-Methoxybenzylidene)hydrazinecarbothioamide (CAS 4334-73-0)
- 3-Ethoxy-4-(2-methylpropoxy)benzoic acid (CAS 565173-04-8)
- Methyl 3-amino-6-ethyl-5-methylthieno[2,3-b]pyridine-2-carboxylate (CAS 632291-81-7)
- 4-(2-Furyl)-2-hydrazino-1,3-thiazole (CAS 21036-64-6)
- 2-methyl-3-(1H-1,2,4-triazol-1-yl)propanethioamide (CAS 1094692-47-3)
- 4-{[(4-chlorophenyl)sulfanyl]methyl}benzohydrazide (CAS 377769-32-9)
- Methyl 2-(1-benzofuran-2-yl)propanoate (CAS 1426798-61-9)
- Chlorsulfaquinoxaline (CAS 97919-22-7)
- N-(4-chlorobenzyl)-2-(2-oxobenzo[d]oxazol-3(2H)-yl)acetamide (CAS 866049-09-4)
- 2-(Naphthalen-2-yl)butanoic acid (CAS 15410-83-0)
- Liraglutide Impurity 6 TFA Salt (CAS CATO-C4X-19926)
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