3-Methyl-1-phenyl-6-thiophen-2-yl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid hydrazide CAS 721916-06-9
| CAS No. | 721916-06-9 |
| Molecular Formula | C18H15N5OS |
| Molecular Weight | 349.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Methyl-1-phenyl-6-thiophen-2-yl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid hydrazide.
3-Methyl-1-phenyl-6-thiophen-2-yl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid hydrazide (CAS 721916-06-9), molecular formula C18H15N5OS and molecular weight 349.41 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Methyl-1-phenyl-6-thiophen-2-yl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid hydrazide (C18H15N5OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 349.41 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.
CATO manufactures 3-Methyl-1-phenyl-6-thiophen-2-yl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid hydrazide 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 | C18H15N5OS |
| Molecular Weight | 349.41 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Recommended Standards
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- 2,6-Dibromo-4,4-dioctyl-4H-cyclopenta[1,2-b:5,4-b']dithiophene (CAS 478404-10-3)
- 2-(Dimethylamino)thiazole-5-carbaldehyde (CAS 1005-28-3)
- 2-Amino-4-(4-ethoxy-phenyl)thiophene-3-carboxylic ethyl ester (CAS 315684-37-8)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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