5-(3-Nitrophenoxy)-1,2,3-thiadiazole CAS 338421-21-9
| CAS No. | 338421-21-9 |
| Molecular Formula | C8H5N3O3S |
| Molecular Weight | 223.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-(3-Nitrophenoxy)-1,2,3-thiadiazole 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.
CATO supplies 5-(3-Nitrophenoxy)-1,2,3-thiadiazole (CAS 338421-21-9), a certified reference material (molecular formula C8H5N3O3S, MW 223.21 g/mol) for analytical method development and quality control.
Structurally, 5-(3-Nitrophenoxy)-1,2,3-thiadiazole (C8H5N3O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 223.21 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H5N3O3S |
| Molecular Weight | 223.21 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Nitrophenoxy Standards
- 2-(3-Nitrophenoxy)cyclopentan-1-ol (CAS 1179187-08-6)
- 2-(2-Nitrophenoxy)cyclopentan-1-ol (CAS 1183337-53-2)
- 2-(4-Nitrophenoxy)cyclopentan-1-ol (CAS 1183403-23-7)
- 2-((4-Nitrophenoxy)methyl)tetrahydrofuran (CAS 91134-13-3)
- 2-(3-Nitrophenoxy)tetrahydro-2H-pyran (CAS 28659-20-3)
- 2-(4-Nitrophenoxy)tetrahydro-2H-pyran (CAS 20443-91-8)
- 4-(2-Nitrophenoxy)tetrahydro-2H-pyran (CAS 898289-39-9)
- 4-(4-Nitrophenoxy)tetrahydro-2H-pyran (CAS 886851-40-7)
Recommended Standards
- 4-Nitro-benzo[b]thiophene-2-carboxylic acid (CAS 19995-46-1)
- 5-(3-Nitrophenyl)-1,3,4-oxadiazole-2-thiol (CAS 41421-07-2)
- 2-Imino-6-nitro-2,3-dihydro-4h-benzo[e][1,3]thiazin-4-one (CAS 4501-67-1)
- 5-(4-Nitrophenyl)-1,3,4-oxadiazole-2(3H)-thione (CAS 23766-30-5)
- 2-Oxobutyric acid methyl ester 3952-66-7 Methyl 2-ketobutyrate Methyl 2-oxobutanoate (CAS 3952-66-7)
- Methyl 5-Acetamido-7,8,9-tri-O-acetyl-5-N,4-O-carbonyl-3,5-dideoxy-2-S-phenyl-2-thio-D-glycero-β-D-galacto-2-nonulopyranosylonate (CAS 934591-76-1)
- (3-(Morpholinosulfonyl)benzoyl)methionine (CAS 1008265-56-2)
- 2-(aminomethyl)-N,N-dimethylpyridin-3-amine (CAS 1219364-83-6)
- 1-hydroxycyclobutanecarboxylic acid (CAS 41248-13-9)
- Quinolin-8-yl (2,5-dimethoxyphenyl)carbamate (CAS 99541-02-3)
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- 2-(((3,4-Difluorophenyl)amino)methyl)-6-ethoxyphenol (CAS 416861-67-1)
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