5-Fluorothiophene-2-carbohydrazide CAS 1823789-96-3
| CAS No. | 1823789-96-3 |
| Molecular Formula | C5H5FN2OS |
| Molecular Weight | 160.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Fluorothiophene-2-carbohydrazide (C5H5FN2OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 160.17 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 5-Fluorothiophene-2-carbohydrazide (CAS 1823789-96-3), a certified reference material (molecular formula C5H5FN2OS, MW 160.17 g/mol) for analytical method development and quality control.
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), 5-Fluorothiophene-2-carbohydrazide 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 | C5H5FN2OS |
| Molecular Weight | 160.17 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Fluorothiophene Standards
- 3-Fluorothiophene-2-carbohydrazide (CAS 258522-49-5)
- Methyl 2-fluorothiophene-3-carboxylate (CAS 76360-41-3)
- Methyl 4-Fluorothiophene-2-carboxylate (CAS 32431-75-7)
- Methyl 5-fluorothiophene-3-carboxylate (CAS 32415-53-5)
- methyl 4-fluorothiophene-3-carboxylate (CAS 1784076-89-6)
- 2-Fluorothiophene-3-carbonyl chloride (CAS 1394897-21-2)
- 5-fluorothiophene-2-carboxylic acid (CAS 4377-58-6)
- 5-fluorothiophene-3-carboxylic acid (CAS 32415-50-2)
Recommended Standards
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