3,5-Dichloro-6-hydroxypicolinic acid CAS 103997-22-4
| CAS No. | 103997-22-4 |
| Molecular Formula | C6H3Cl2NO3 |
| Molecular Weight | 208.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,5-Dichloro-6-hydroxypicolinic acid (CAS 103997-22-4), a certified reference material (molecular formula C6H3Cl2NO3, MW 208.00 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H3Cl2NO3, 3,5-Dichloro-6-hydroxypicolinic acid contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 208.00 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 3,5-Dichloro-6-hydroxypicolinic 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 | C6H3Cl2NO3 |
| Molecular Weight | 208.00 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloro Standards
- 2,4-Dichloro-6-methyl-5-nitropyrimidine (CAS 13162-26-0)
- 4,6-Dichloro-2-methyl-5-nitropyrimidine (CAS 13162-43-1)
- 2,3-Dichloro-5-nitrophenol (CAS 1806356-80-8)
- 2,6-Dichloro-3-hydroxyisonicotinic acid (CAS 185422-96-2)
- 3,4-Dichloro-5-nitropyridin-2-amine (CAS 1936288-61-7)
- 2,3-Dichloro-4-nitrophenol (CAS 59384-57-5)
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- 2,4-Dichloro-5-nitrophenol (CAS 39489-77-5)
Recommended Standards
- 3-Bromo-2,4-difluoroaniline (CAS 103977-79-3)
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- 2-Bromo-3,4-difluoroaniline (CAS 1092349-87-5)
- 7β-[(Z)-2-(2-Aminothiazol-4-yl)-2-(1-carboxy-1-methylethoxyimino)acetamido]-3-acetoxymethyl-3-cephem-4-carboxylic Acid tert-Butyl Ester (CAS 98382-95-7)
- 2-(3,4-Dimethoxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one (CAS 3306-29-4)
- 1-(5-Chloro-1-ethyl-1H-benzo[d]imidazol-2-yl)ethanol (CAS 1243828-56-9)
- 1-(2,3-Epoxypropyl)-2-nitroimidazole (CAS 13551-90-1)
- Ethyl 2-hydroxy-3-methylbut-3-enoate (CAS 33537-17-6)
- (1H-Indazol-5-yl)-hydrazine hydrochloride (CAS 1012879-50-3)
- (R)-2-Bromo-4-methylpentanoic acid (CAS 42990-28-3)
- 2-(5-Chloro-2-((4-methoxybenzyl)oxy)phenyl)acetic acid (CAS 2367002-58-0)
- Isopropyl 2-((4-amino-5-(3,4-dimethoxyphenyl)-4H-1,2,4-triazol-3-yl)thio)acetate (CAS 573707-34-3)
- semaglutide (CAS 782487-28-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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