6-Methyl-4-(methylsulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid CAS 1858255-03-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1858255-03-4 |
| Molecular Formula | C11H13NO5S |
| Molecular Weight | 271.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 6-Methyl-4-(methylsulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid (CAS 1858255-03-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H13NO5S. Molecular weight: 271.29 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H13NO5S |
| Molecular Weight | 271.29 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- Methyl 4-(methylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carboxylate (CAS 1160474-62-3)
- 2-(4-(Methylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-2-yl)acetic acid (CAS 1708380-66-8)
- (R)-6-(4-(methylsulfonyl)phenoxy)-1,4-oxazepane (CAS 1795788-61-2)
- Methyl 4-[(methylsulfonyl)(phenyl)amino]butanoate (CAS 1858255-01-2)
- [4'-(Methylsulfonyl)[1,1'-biphenyl]-4-yl] acetonitrile (CAS 893737-90-1)
- 5-[4-(Methylsulfonyl)phenyl]-1H-indole (CAS 599198-39-7)
- 2-(4-Methylsulfonyl-2-nitrophenyl)malondialdehyde (CAS 197251-71-1)
- (1-(Methylsulfonyl)piperidin-4-yl)methyl methanesulfonate (CAS 647025-15-8)
Recommended Standards
- Benzyl 5-methyl-1,2,3-oxathiazolidine-3-carboxylate 2,2-dioxide (CAS 1850305-43-9)
- (2-oxo-1,3-oxazolidin-4-yl)methyl 4-methylbenzene-1-sulfonate (CAS 97899-36-0)
- (4-Fluorophenyl)(3-methyl-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)methanone (CAS 338747-71-0)
- 5-(3-Methylphenyl)-2-pyrimidinamine (CAS 914349-42-1)
- 1,1-Di-tert-butoxy-N,N-dimethylmethylamine 1,1-Di-tert-butoxytrimethylamine 36805-97-7 N,N-Dimethylformamide di-tert-butyl acetal (CAS 36805-97-7)
- O-Desmethyl Tramadol-d6 (CAS 873928-73-5)
- 1-Chlorodibenzo[b,d]furan (CAS 84761-86-4)
- tert-Butyldichloro(phenyl)silane (CAS 17887-41-1)
- 3-(5-Chloro-2-methylbenzo[d]thiazol-3-ium-3-yl)propane-1-sulfonate hydrate (CAS 286013-21-6)
- (D-His1)-Exenatide trifluoroacetate salt (CAS 1678417-09-8)
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 13829788188 / jacky.chen@cato-chem.com