4-chloro-6-methyl-1H-pyrazolo[3,4-b]pyridine CAS 17902-30-6
| CAS No. | 17902-30-6 |
| Molecular Formula | C7H14ClN3 |
| Molecular Weight | 175.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-chloro-6-methyl-1H-pyrazolo[3,4-b]pyridine (CAS 17902-30-6), molecular formula C7H14ClN3 and molecular weight 175.66 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-chloro-6-methyl-1H-pyrazolo[3,4-b]pyridine (C7H14ClN3) contains a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 175.66 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H14ClN3 |
| Molecular Weight | 175.66 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related chloro Standards
- 5-Chloro-1H-pyrrolo[2,3-b]pyridin-4-amine (CAS 1040683-00-8)
- 7-chloro-1-methyl-pyrazolo[4,3-b]pyridine (CAS 1057672-72-6)
- 2-chloro-6-methyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 1060816-56-9)
- 7-chloro-2-methyl-3H-imidazo[4,5-b]pyridine (CAS 1086423-62-2)
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- 4-chloro-7-methyl-1H-pyrazolo[4,3-c]pyridine (CAS 1159828-57-5)
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Recommended Standards
- 5-chloro-3-methyl-imidazo[1,5-c]pyrimidine (CAS 1784549-42-3)
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- 2-chloropyrido[3,4-b]pyrazine (CAS 1774892-87-3)
- 5-chloro-2-methylpyrazolo[1,5-a]pyrimidine (CAS 189116-36-7)
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- 3-(1-(2,6-Dichlorobenzyl)-5,6-dimethyl-1H-benzo[d]imidazol-2-yl)pyridin-2(1H)-one (CAS 860787-67-3)
- 3-Amino-4-(dimethylamino)-N-methylbenzamide (CAS 1251137-30-0)
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