3,7-Dichloro-2H-pyrazolo[3,4-c]pyridine CAS 957760-09-7
| CAS No. | 957760-09-7 |
| Molecular Formula | C6H3Cl2N3 |
| Molecular Weight | 188.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 188.01 g/mol gives 3,7-Dichloro-2H-pyrazolo[3,4-c]pyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,7-Dichloro-2H-pyrazolo[3,4-c]pyridine (CAS 957760-09-7), molecular formula C6H3Cl2N3 and molecular weight 188.01 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, chlorine substitution, an aromatic ring system, 3,7-Dichloro-2H-pyrazolo[3,4-c]pyridine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 188.01 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3,7-Dichloro-2H-pyrazolo[3,4-c]pyridine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H3Cl2N3 |
| Molecular Weight | 188.01 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 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichloro Standards
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- 3,5-Dichloro-1H-pyrazolo[4,3-b]pyridine (CAS 1310680-12-6)
- 2,4-Dichloro-3H-pyrrolo[3,2-d]pyrimidine (CAS 1310680-17-1)
- 3,6-Dichloro-1H-pyrazolo[3,4-b]pyridine (CAS 1352893-80-1)
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Recommended Standards
- 3,6-Dichloroimidazo[1,2-b]pyridazine (CAS 40972-42-7)
- 3,8-dichloro-[1,2,4]triazolo[4,3-a]pyridine (CAS 22841-86-7)
- 3,6-Dichloroimidazo[1,2-a]pyrazine (CAS 76537-32-1)
- 3,8-Dichloroimidazo[1,2-a]pyrazine (CAS 76537-30-9)
- 5-(4-Methoxyphenyl)-1,3,4-thiadiazol-2-amine (CAS 1014-25-1)
- 2-(Chloromethyl)-1H-pyrrole (CAS 53340-88-8)
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