4-Nitrobenzo[d]thiazol-2-amine CAS 6973-51-9
| CAS No. | 6973-51-9 |
| Molecular Formula | C7H5N3O2S |
| Molecular Weight | 195.20 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.
4-Nitrobenzo[d]thiazol-2-amine (CAS 6973-51-9), molecular formula C7H5N3O2S and molecular weight 195.20 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, 4-Nitrobenzo[d]thiazol-2-amine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 195.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 4-Nitrobenzo[d]thiazol-2-amine 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 | C7H5N3O2S |
| Molecular Weight | 195.20 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Nitrobenzo Standards
- 4-Nitrobenzo[d]thiazol-5-amine (CAS 1154535-47-3)
- 4-Methyl-5-nitrobenzo[c][1,2,5]thiadiazole (CAS 3152-86-1)
- 5-Methyl-4-nitrobenzo[c][1,2,5]thiadiazole (CAS 3152-87-2)
- 5-Methyl-6-nitrobenzo[c][1,2,5]thiadiazole (CAS 2453324-12-2)
- 5-Nitrobenzo[d]thiazol-2-amine (CAS 73458-39-6)
- 6-Nitrobenzo[d]isothiazol-3-amine (CAS 613262-77-4)
- 7-Nitrobenzo[d]isothiazol-3-amine (CAS 90407-29-7)
- 5-Nitrobenzo[d][1,3]dioxole-4-carbaldehyde (CAS 28310-13-6)
Recommended Standards
- 4-Nitro-2-thiocyano-aniline (CAS 68310-01-0)
- 5-(1H-[1,2,4]Triazol-3-ylsulfanyl)-furan-2-carbaldehyde (CAS 797807-53-5)
- Ilaprazole Impurity N4 (CAS 88218-10-4)
- 5-(2-Thienyl)isoxazole-3-carboxylic Acid (CAS 763109-71-3)
- 1-Bromo-2-(chloromethyl)-4-methylbenzene (CAS 412013-16-2)
- 1-n-(Pyridin-2-yl)cyclohexane-1,4-diamine, trans (CAS 332883-96-2)
- 2-(2,2-Difluorobenzo[d][1,3]dioxol-5-yl)acetonitrile (CAS 68119-31-3)
- Pioglitazone impurity 36 (CAS CATO-C4X-138336)
- Tert-butyl 2-((4-carbamoyl-1H-1,2,3-triazol-1-yl)methyl)pyrrolidine-1-carboxylate (CAS 1443981-37-0)
- 5-methylthieno[2,3-d]pyrimidine-4-carboxylic acid (CAS 1215494-47-5)
- 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11-Icosafluorododecane-1,12-diol (CAS 183162-43-8)
- 9-Methyl-3-phenyl-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 1089342-82-4)
- 4-Ethoxy-3-methoxyphenol (CAS 65383-58-6)
- Neuropeptide Y (free acid) (human, rat) trifluoroacetate salt (CAS 99575-89-0)
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