N,7-Dimethyl-3-(phenylsulfonyl)-6,7,8,9-tetrahydropyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-2-amine CAS 1194574-33-8
| CAS No. | 1194574-33-8 |
| Molecular Formula | C17H19N5O2S |
| Molecular Weight | 357.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, N,7-Dimethyl-3-(phenylsulfonyl)-6,7,8,9-tetrahydropyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-2-amine (C17H19N5O2S) contains a steroid core, an amide group, a sulfone 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 357.43 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).
N,7-Dimethyl-3-(phenylsulfonyl)-6,7,8,9-tetrahydropyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-2-amine (CAS 1194574-33-8) is a high-purity analytical reference standard with the molecular formula C17H19N5O2S and a molecular weight of 357.43 g/mol.
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.
As a certified reference material (CRM), N,7-Dimethyl-3-(phenylsulfonyl)-6,7,8,9-tetrahydropyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-2-amine 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 | C17H19N5O2S |
| Molecular Weight | 357.43 g/mol |
| 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.) | 1989 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
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- 2-(2-Methoxypyridin-3-yl)-1,3-benzothiazole (CAS 339112-74-2)
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- 3-[4-(difluoromethoxy)phenyl]propanenitrile (CAS 1057676-27-3)
- 2-Fluoro-4-methyl-5-nitrobenzoyl chloride (CAS 1806427-38-2)
- D-Tyr10-Tirzepatide (CAS CATO-CPTD788922)
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