3H-Naphtho(2,1-b)pyran-3-one CAS 4352-89-0
| CAS No. | 4352-89-0 |
| Molecular Formula | C7H14NS2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 199.31 g/mol gives 3H-Naphtho(2,1-b)pyran-3-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3H-Naphtho(2,1-b)pyran-3-one (CAS 4352-89-0), molecular formula C7H14NS2Na and molecular weight 199.31 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H14NS2Na, 3H-Naphtho(2,1-b)pyran-3-one contains sulfur-containing functionality; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 199.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 3H-Naphtho(2,1-b)pyran-3-one 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 | C7H14NS2 Na |
| Molecular Weight | 199.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.5 |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- 5-(1-Aminoethyl)-2-methoxyphenol (CAS 134931-77-4)
- Peptide YY (13-36) (canine, mouse, porcine, rat) (CAS 86895-09-2)
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