3-Amino-5-fluoro-1H-indole-2-carbohydrazide CAS 843638-43-7
| CAS No. | 843638-43-7 |
| Molecular Formula | C9H9FN4O |
| Molecular Weight | 208.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H9FN4O, 3-Amino-5-fluoro-1H-indole-2-carbohydrazide contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 208.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-Amino-5-fluoro-1H-indole-2-carbohydrazide (CAS 843638-43-7) is a high-purity analytical reference standard with the molecular formula C9H9FN4O and a molecular weight of 208.19 g/mol.
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), 3-Amino-5-fluoro-1H-indole-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 | C9H9FN4O |
| Molecular Weight | 208.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Amino Standards
- Amino-(4-fluoro-indol-3-yl)-acetic acid (CAS 1260636-85-8)
- (R)-2-amino-2-(5-fluoro-1H-indol-3-yl)acetic acid (CAS 1270001-27-8)
- (R)-2-Amino-2-(6-fluoro-1H-indol-3-yl)acetic acid (CAS 1335438-11-3)
- 2-Amino-4,6-difluorobenzenesulfonamide (CAS 153439-17-9)
- 2-(2-Amino-4-(difluoromethyl)thiazol-5-yl)acetic acid (CAS 1706459-90-6)
- [amino(4-fluorophenyl)methylidene]amino prop-2-enoate (CAS 19580-38-2)
- 1-(3-Amino-4-fluorophenyl)pyrrolidine-2,5-dione (CAS 953741-07-6)
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Recommended Standards
- 3-(3-Fluoro-4-methoxyphenyl)isoxazol-5-amine (CAS 501326-05-2)
- 3-fluoro-5-hydroxy-4,7-dimethyl-chromen-2-one (CAS 2920243-35-0)
- 3-(2-Fluoropyridin-4-yl)piperidine-2,6-dione (CAS 2858742-04-6)
- 3-fluoro-8-methoxy-4-methyl-chromen-2-one (CAS 2920243-42-9)
- Methyl 3-(4-aminophenyl)propanoate hydrochloride (CAS 91012-19-0)
- 1'H-Spiro[pyrrolidine-3,2'-quinazolin]-4'(3'H)-one (CAS 1708428-17-4)
- 2-((5-(2-Bromophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-phenylacetamide (CAS 334503-94-5)
- 6-Propoxy-[1,1'-biphenyl]-3-carbaldehyde (CAS 883532-51-2)
- Pyrimido[5,4-d]Pyrimidine Impurity 7 (CAS 36926-31-5)
- (6-Chloro-2-fluoro-3-methoxyphenyl)methanamine (CAS 1017779-65-5)
- N-[(3,4-Dimethoxyphenyl)methyl]cyclobutanamine (CAS 1250397-85-3)
- 2,4-Pyridinedicarboxylic Acid (CAS 499-80-9)
- N-[4-[(Aminoiminomethyl)amino]phenyl]methanesulfonamide (CAS 677752-76-0)
- Tau Peptide (306-336) (Repeat 3 Domain) trifluoroacetate salt (CAS 330456-26-3)
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