2-Hydrazino-3-methylbutanoic acid CAS 19866-38-7
| CAS No. | 19866-38-7 |
| Molecular Formula | C5H12N2O2 |
| Molecular Weight | 132.16 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.
2-Hydrazino-3-methylbutanoic acid (CAS 19866-38-7), molecular formula C5H12N2O2 and molecular weight 132.16 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 2-Hydrazino-3-methylbutanoic acid is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 132.16 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.
As a certified reference material (CRM), 2-Hydrazino-3-methylbutanoic acid 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 | C5H12N2O2 |
| Molecular Weight | 132.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
Related Hydrazino Standards
- 3-Hydrazino-N-methyl-3-oxopropanamide (CAS 373364-23-9)
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- 2-Hydrazino-5-methylpyrazine (CAS 165124-42-5)
Recommended Standards
- 2H-Cyclohepta[b]furan (CAS 275-76-3)
- 2-Hydroxy-2,3-dimethylbutanoic acid (CAS 3639-20-1)
- 2H-chromene (CAS 254-04-6)
- 2-hydroxy-2-methylpentanoic acid (CAS 28892-68-4)
- 3-(p-Tolyl)cyclopent-2-enone (CAS 65564-87-6)
- 4′-Acetyl[1,1′-biphenyl]-3-carboxylic acid (CAS 635757-61-8)
- (Octahydro-3aH-isoindol-3a-yl)methanol hydrochloride (CAS 1824189-04-9)
- 8-(2-Bromophenyl)-8-oxooctanenitrile (CAS 898766-78-4)
- Cinacalcet Impurity 4 (CAS 1229225-43-7)
- Indolizin-7-amine (CAS 1516540-80-9)
- N-(3,4-dimethoxyphenyl)azetidine-3-carboxamide hydrochloride (CAS 1807979-73-2)
- 9,9'-Oxydiacridine (CAS 95256-37-4)
- 2-(2-Isopropyl-6-(2-(1,1,7,7-tetramethyl-1,2,3,5,6,7-hexahydropyrido[3,2,1-ij]quinolin-9-yl)vinyl)-4H-pyran-4-ylidene)malononitrile (CAS 870075-87-9)
- Autocamtide-2-Related Inhibitory Peptide TFA (CAS 167114-91-2（free base）)
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