5-Chloro-2-hydrazinopyridine CAS 27032-63-9
| CAS No. | 27032-63-9 |
| Molecular Formula | C5H6ClN3 |
| Molecular Weight | 143.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrile group, chlorine substitution, 5-Chloro-2-hydrazinopyridine is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 143.57 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.
CATO supplies 5-Chloro-2-hydrazinopyridine (CAS 27032-63-9), a certified reference material (molecular formula C5H6ClN3, MW 143.57 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 5-Chloro-2-hydrazinopyridine 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 | C5H6ClN3 |
| Molecular Weight | 143.57 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.) | 1964 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 5-Chloro-6-methylpyridin-2-ol (CAS 103997-23-5)
- N-(3-Chloro-phenyl)hydroxylamine (CAS 10468-17-4)
- (5-Chloro pyrazin-2-yl) Methanamine (CAS 1060814-53-0)
- 4-Chloro-3-methylpyridine 1-Oxide (CAS 1073-34-3)
- 2-Chloro-3-hydrazinylpyridine (CAS 117087-45-3)
- 5-Chloro-2-methylpyridin-4(1H)-one (CAS 1196157-19-3)
- 2-Chloro-1-(1H-pyrrol-3-yl)ethanone (CAS 122450-28-6)
- 3-Chloro-2-methylpyridin-4-ol (CAS 1227499-23-1)
Recommended Standards
- 5-Chloro-2-(hydroxymethyl)pyridine (CAS 209526-98-7)
- 5-Chloro-2-methylpyridine 1-Oxide (CAS 52313-58-3)
- 5-Chloro-1-methylpyridin-2(1H)-one (CAS 4214-78-2)
- 5-Chloro-2-methylpyrimidin-4-amine (CAS 438249-95-7)
- Ethyl (3R,4S)-4-(3,4-difluorophenyl)pyrrolidine-3-carboxylate hydrochloride (CAS 2227835-98-3)
- 3-Bromo-2-(trifluoromethyl)isonicotinonitrile (CAS 1807005-92-0)
- 3-bromo-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine (CAS 1505818-73-4)
- 3-(1-Propyl-1H-pyrazol-3-yl)propiolic acid (CAS 1354706-02-7)
- 2-(4-Chloro-3,5-difluorophenyl)acetonitrile (CAS 1000540-50-0)
- 1,4,5,8-Tetrakis(bromomethyl)naphthalene (CAS 80293-91-0)
- 2,4-Dichlorthiophen (CAS 17249-75-1)
- 5-amino-1-methyl-1H-1,2,3-triazole-4-carboximidamide hydrochloride (CAS 55432-72-9)
- 1,2-di-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho-L-serine (sodium salt) 1,2-dilinoleoyl-sn-glycero-3-phospho-L-serine (sodium salt) 18:2 PS 321883-39-0 PS(18:2(9Z,12Z)/18:2(9Z,12Z)) (CAS 321883-39-0)
- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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