5-Methoxy-2-(methylsulfinyl)pyrimidine CAS 17148-36-6
| CAS No. | 17148-36-6 |
| Molecular Formula | C6H8N2O2S |
| Molecular Weight | 172.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 172.20 g/mol gives 5-Methoxy-2-(methylsulfinyl)pyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Methoxy-2-(methylsulfinyl)pyrimidine (CAS 17148-36-6), molecular formula C6H8N2O2S and molecular weight 172.20 g/mol, is a CATO reference standard with documented purity and traceability.
5-Methoxy-2-(methylsulfinyl)pyrimidine (C6H8N2O2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), 5-Methoxy-2-(methylsulfinyl)pyrimidine 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 | C6H8N2O2S |
| Molecular Weight | 172.20 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 5-Methoxy-2-(methylthio)pyrimidin-4(3H)-one (CAS 1671-08-5)
- 2-Methoxy-2-(thiophen-2-yl)acetic acid (CAS 5371-94-8)
- 3-Methoxy-5-methyl-2-thiophenecarboxylic Acid (CAS 83261-26-1)
- 4-Methoxy-2-methylthiophene-3-carboxylic acid (CAS 87675-98-7)
- 5-Methoxy-4-methylthiophene-2-carboxylic acid (CAS 2757171-08-5)
- Methyl 5-Methoxy-2-thiophenecarboxylate (CAS 77133-25-6)
- N-Methoxy-N-methyl thiazole-5-carboxamide (CAS 898825-89-3)
- N-Methoxy-N-methyl-thiazole-2-carboxamide (CAS 885278-18-2)
Recommended Standards
- 4-Methoxybenzenesulfinic acid (CAS 1709-60-0)
- 175205-07-9 6-(Methoxymethyl)-2-sulfanylidene-2,3-dihydropyrimidin-4(1H)-one DTXSID10351611 (CAS 175205-07-9)
- 1-Methyl-4-(vinylsulfonyl)-1H-pyrazole (CAS 1707747-13-4)
- 3-(Methylsulfonyl)pyridin-4-amine (CAS 1780687-87-7)
- 4-Bromo-1-n-cyclopropylbenzene-1,2-diamine (CAS 1092291-41-2)
- 8-Bromo-1,4,4-trimethyl-1,2,3,4-tetrahydro-quinoline (CAS 1187932-52-0)
- 2-[(1-methyl-1h-imidazol-2-yl)sulfanyl]pyridine-4-carboximidamide hydrochloride (CAS 1221722-16-2)
- N-Benzyl 5-bromo-2-methoxybenzenesulfonamide (CAS 446308-82-3)
- (1-(1H-pyrrol-1-yl)cyclopentyl)methanamine (CAS 1341617-86-4)
- 3-(4-Bromophenyl)-1-isopropyl-1H-pyrazol-5-amine (CAS 1017781-30-4)
- N,N-Dimethyl-cyclopropanesulfonamide (CAS 146475-54-9)
- Radafaxine (CAS 233600-52-7)
- 2-Methyl-1-(quinolin-2-yl)propan-2-ol (CAS 29526-24-7)
- D-Ser32-Tirzepatide (CAS CATO-CPTD788692)
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