4-Methoxy-2-methylphenylisothiocyanate CAS 40046-28-4
| CAS No. | 40046-28-4 |
| Molecular Formula | C9H9NOS |
| Molecular Weight | 179.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H9NOS, 4-Methoxy-2-methylphenylisothiocyanate contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 179.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-Methoxy-2-methylphenylisothiocyanate (CAS 40046-28-4) is a high-purity analytical reference standard with the molecular formula C9H9NOS and a molecular weight of 179.24 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.
CATO manufactures 4-Methoxy-2-methylphenylisothiocyanate 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 | C9H9NOS |
| Molecular Weight | 179.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 7-Methoxy-3-methylbenzo[d]isothiazole (CAS 110718-89-3)
- 6-Methoxy-4-methylbenzo[d]thiazole (CAS 1190310-57-6)
- 1-Methoxy-3-(thiocyanatomethyl)benzene (CAS 1233513-38-6)
- 1-Methoxy-2-(thiocyanatomethyl)benzene (CAS 1233518-03-0)
- 7-Methoxy-2-methylbenzo[d]thiazole (CAS 163298-70-2)
- 4-Methoxy-2-methylsulfanylbenzonitrile (CAS 176107-19-0)
- 2-Methoxy-5-methylphenyl Isothiocyanate (CAS 190774-56-2)
- 1-Methoxy-2-methyl-4-thiocyanatobenzene (CAS 51537-77-0)
Recommended Standards
- 4-Methoxy-2-methylbenzo[d]thiazole (CAS 5304-19-8)
- 4-Methoxybenzyl Isothiocyanate (CAS 3694-57-3)
- 4-methanesulfonylpiperazin-1-amine (CAS 78484-45-4)
- 4-Methyl-2H-benzo[b][1,4]thiazin-3(4H)-one (CAS 37142-87-3)
- tert-Butyl trans-(5-hydroxymethyl)-cyclohex-2-enylcarbamate (CAS 1134374-57-4)
- (R)-1-(2-chloro-7-fluoroquinolin-3-yl)ethan-1-ol (CAS 1065483-17-1)
- Methyl 5-(((6-oxo-4-propyl-1,6-dihydropyrimidin-2-yl)thio)methyl)furan-2-carboxylate (CAS 849057-49-4)
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- 2-(4-Nitrophenoxy)-N-propylacetamide (CAS 701248-94-4)
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Why CATO?
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