5-Chloro-N-hydroxypicolinimidamide CAS 327056-55-3
| CAS No. | 327056-55-3 |
| Molecular Formula | C6H6ClN3O |
| Molecular Weight | 171.58 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.
5-Chloro-N-hydroxypicolinimidamide (CAS 327056-55-3) is a high-purity analytical reference standard with the molecular formula C6H6ClN3O and a molecular weight of 171.58 g/mol.
Structurally, 5-Chloro-N-hydroxypicolinimidamide (C6H6ClN3O) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 171.58 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 5-Chloro-N-hydroxypicolinimidamide 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 | C6H6ClN3O |
| Molecular Weight | 171.58 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 3-chloro-4-hydroxybenzamide (CAS 1007578-86-0)
- 4-Chloro-2-methoxynicotinaldehyde (CAS 1008451-58-8)
- 6-Chloro-N'-hydroxypicolinimidamide (CAS 1042151-12-1)
- 2-Chloro-4-hydroxybenzamide (CAS 1046818-83-0)
- 2-Chloro-6-hydroxybenzamide (CAS 1056958-24-7)
- 4-Chloro-5-methoxypyridine-2-carbaldehyde (CAS 1060801-63-9)
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Recommended Standards
- 5-Chloro-4-methylpyridine-2-carboxylic acid (CAS 886365-04-4)
- 5-Chlorosalicylamide (CAS 7120-43-6)
- 5-Chloro-4-methylnicotinic acid (CAS 890092-41-8)
- 5-Cyclopropylisoxazole-3-carbonyl chloride (CAS 53064-58-7)
- 2-(4-(3-Chlorophenyl)piperazin-1-yl)-N-(4-methoxyphenyl)acetamide (CAS 301194-39-8)
- 3-Amino-2-(5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-2-yl)propanoic acid (CAS 1517704-36-7)
- (3E)-1-[(2,6-Dichlorophenyl)methyl]-3-[(4-fluorophenyl)imino]-2,3-dihydro-1H-indol-2-one (CAS 478031-83-3)
- 3-(difluoromethyl)-3-ethynyl-1-methyl-pyrrolidin-2-one (CAS 2561458-95-3)
- methyl 5H-pyrrolo[3,2-d]pyrimidine-4-carboxylate (CAS 916213-54-2)
- (S)-4-((3aR,4S,7aR)-4-Acetoxy-6-methyl-3-methylene-2-oxo-2,3,3a,4,7,7a-hexahydrobenzofuran-5-yl)pentyl acetate (CAS 1286694-67-4)
- D-Glutamine Methyl Ester HCl (CAS 74817-54-2)
- 5-Amino-3-(3-methoxypropyl)-1-methylpyrimidine-2,4(1h,3h)-dione (CAS 1341750-10-4)
- 8-Bromo-2-chloro-5-methoxyquinoline-3-carbaldehyde (CAS 1259319-35-1)
- Semaglutide impurity 286 (CAS CATO-C4X-2226286)
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