Ethyl 1-methyl-4-(phenethylamino)-1H-pyrazolo[3,4-b]pyridine-5-carboxylate CAS 160034-52-6
| CAS No. | 160034-52-6 |
| Molecular Formula | C18H20N4O2 |
| Molecular Weight | 324.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Ethyl 1-methyl-4-(phenethylamino)-1H-pyrazolo[3,4-b]pyridine-5-carboxylate 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.
Ethyl 1-methyl-4-(phenethylamino)-1H-pyrazolo[3,4-b]pyridine-5-carboxylate (CAS 160034-52-6), molecular formula C18H20N4O2 and molecular weight 324.38 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 1-methyl-4-(phenethylamino)-1H-pyrazolo[3,4-b]pyridine-5-carboxylate (C18H20N4O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 324.38 g/mol, it falls into the moderately-high-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C18H20N4O2 |
| Molecular Weight | 324.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 4 |
Recommended Standards
- 3-(1-(Cyclohexylmethyl)-1H-imidazol-4-yl)imidazo[1,5-a]pyridine-1-carboxylic acid (CAS 1422069-28-0)
- 5-((4-(tert-Butoxycarbonyl)piperazin-1-yl)methyl)-1-methyl-1H-pyrazole-4-carboxylic acid (CAS 1698549-81-3)
- 3-(5-(3,4-Diethoxyphenyl)-1H-1,2,4-triazol-3-yl)aniline (CAS 1416346-98-9)
- 8-(4-Aminopiperidin-1-yl)-2-benzyl-[1,2,4]triazolo[4,3-a]pyrazin-3(2H)-one (CAS 1713713-94-0)
- 2-Methyl-3-(morpholin-4-yl)propan-1-ol (CAS 35806-19-0)
- Mal-PEG12-NH-Boc (CAS 2170654-80-3)
- (2R,5R)-2-(4-fluorophenyl)-5-methylpyrrolidine (CAS 2162130-29-0)
- Levofloxacin Impurity 30 (CAS CATO-C4X-137130)
- 2-(7-Hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)acetic acid hydrate (CAS 1638221-41-6)
- (4-Amino-1-ethyl-1H-pyrazol-3-yl)(pyrrolidin-1-yl)methanone (CAS 1486764-69-5)
- N-Boc-2-bromo-L-phenylalanine (CAS 261165-02-0)
- Dobutamine Impurity 26 (CAS 243139-71-1)
- 6-Chloro-3-(1,2,3,6-tetrahydro-pyridin-4-yl)-1H-indole (CAS 180160-77-4)
- Semaglutide impurity 108 (CAS CATO-C4X-2226108)
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