4-(Methylthio)-2-nitrobenzo[d]oxazole CAS 1806582-01-3
| CAS No. | 1806582-01-3 |
| Molecular Formula | C8H6N2O3S |
| Molecular Weight | 210.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 4-(Methylthio)-2-nitrobenzo[d]oxazole is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 210.21 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-(Methylthio)-2-nitrobenzo[d]oxazole (CAS 1806582-01-3), molecular formula C8H6N2O3S and molecular weight 210.21 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-(Methylthio)-2-nitrobenzo[d]oxazole 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 | 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.) | 1995 |
| 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)
- 2-(Methylthio)-5-nitrobenzo[d]oxazole (CAS 2851-07-2)
- 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
- Methyl 4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-5-carboxylate (CAS 1801143-19-0)
- (4-Oxo-4H-thieno[2,3-d]pyrimidin-3-yl)-acetic acid 18740-34-6 6298AD C8H6N2O3S (CAS 18740-34-6)
- Diethyl 1-hydroxybutylphosphonate (CAS 17477-67-7)
- 2-Methoxy-4-nitrophenyl isothiocyanate (CAS 190774-55-1)
- 3-((2,6-Difluorophenyl)sulfonamido)propanoic acid (CAS 885269-18-1)
- (3R,4S)-rel-4-(3-Bromophenyl)pyrrolidine-3-carboxylic acid hydrochloride (CAS 1423037-48-2)
- 4-Fluorobenzohydroxamic acid (CAS 456-07-5)
- Ethyl 2-(2-methoxyphenyl)-4-methylthiazole-5-carboxylate (CAS 82875-48-7)
- 1H-Indole-4-carbohydrazide (CAS 885272-22-0)
- Cyclohexyl (3-methylbenzofuran-2-yl)carbamate (CAS 61307-31-1)
- 3-Chloro-4-iodo-N-(methyl-d3)pyridin-2-amine (CAS 2568911-00-0)
- 2-(2,3,4,5-Tetrahydro-1H-benzo[b]azepin-5-yl)acetic acid (CAS 178549-49-0)
- (S)-Gossypol (CAS 20300-26-9)
- Hexapeptide-11 (CAS 161258-30-6)
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