2-(Methylthio)-5-nitrobenzo[d]oxazole CAS 2851-07-2
| CAS No. | 2851-07-2 |
| Molecular Formula | C8H6N2O3S |
| Molecular Weight | 210.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 2-(Methylthio)-5-nitrobenzo[d]oxazole (CAS 2851-07-2), a certified reference material (molecular formula C8H6N2O3S, MW 210.21 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H6N2O3S, 2-(Methylthio)-5-nitrobenzo[d]oxazole contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 210.21 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.
CATO manufactures 2-(Methylthio)-5-nitrobenzo[d]oxazole 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 | C8H6N2O3S |
| Molecular Weight | 210.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methylthio Standards
- 2-(Methylthio)-6-nitrobenzo[d]oxazole (CAS 101084-55-3)
- 2-(Methylthio)-7-nitrobenzo[d]oxazole (CAS 101084-56-4)
- 4-(Methylthio)-2-nitrobenzo[d]oxazole (CAS 1806582-01-3)
- 6-(Methylthio)-1H-pyrazolo[3,4-d]pyrimidine-3-carboxylic acid (CAS 55117-93-6)
- Methyl 2-(3-(methylthio)phenyl)-2-oxoacetate (CAS 1379368-89-4)
- 2-(Methylthio)-6,7-dihydro-5H-cyclopenta[d]pyrimidine-5-carboxylic acid (CAS 1550772-56-9)
- 3-(4-(Methylthio)phenyl)-2-oxopropanoic acid (CAS 737823-69-7)
- Methyl 2-(4-(methylthio)phenyl)-2-oxoacetate (CAS 211510-26-8)
Recommended Standards
- 2-(5-Acetyl-2-nitrothiophen-3-yl)acetonitrile (CAS 389138-34-5)
- 2,3-dihydro-2-oxo-1H-pyrido[2,3-b][1,4]thiazine-7-carboxylic acid (CAS 443955-72-4)
- 2-([1,2,4]Triazolo[4,3-b]pyridazin-6-ylthio)acetic acid (CAS 890588-01-9)
- 2-Hydrazinyl-6-nitrobenzo[d]thiazole (CAS 30710-21-5)
- 2-Amino-4-(2-(trifluoromethoxy)phenyl)butanoic acid (CAS 1260642-70-3)
- 3-{[(2,3-dihydroxypropoxy)(hydroxy)phosphoryl]oxy}-2-(tetradecanoyloxy)propyl tetradecanoate 627-49-6 AR-1F1246 (CAS 627-49-6)
- 5-Bromo-2-methyl-2H-indazole-3-carbonitrile (CAS 1528133-76-7)
- 3-(2-Methoxyphenyl)but-2-enoic acid (CAS 133572-07-3)
- Niobium boride (CAS 12007-29-3)
- Netupitant Impurity N1 (CAS 910808-12-7)
- 2-(4-Amino-2-chloro-5-methylphenyl)-2-(4-chlorophenyl)acetamide (CAS 1797910-79-2)
- 6-iodoquinazolin-4-amine (CAS 182880-14-4)
- 1-Ethyl-3-(2-methoxyethyl)urea (CAS 157672-43-0)
- Semaglutide impurity 43 (CAS CATO-C4X-222643)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com