7-Nitrobenzo[d]thiazole CAS 2942-05-4
| CAS No. | 2942-05-4 |
| Molecular Formula | C7H4N2O2S |
| Molecular Weight | 180.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 7-Nitrobenzo[d]thiazole 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.
7-Nitrobenzo[d]thiazole (CAS 2942-05-4), molecular formula C7H4N2O2S and molecular weight 180.18 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H4N2O2S, 7-Nitrobenzo[d]thiazole contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 180.18 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.
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 | C7H4N2O2S |
| Molecular Weight | 180.18 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.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Nitrobenzo Standards
- 4-Nitrobenzo[d]isothiazole (CAS 139037-03-9)
- 2-Nitrobenzo[d]thiazole (CAS 23505-64-8)
- 4-Nitrobenzo[d]thiazole (CAS 2942-08-7)
- 5-Nitrobenzo[d]isothiazole (CAS 60768-66-3)
- 6-Nitrobenzo[c]isothiazole (CAS 20712-11-2)
- 6-Nitrobenzo[d]isothiazole (CAS 540493-14-9)
- 4-Nitrobenzo[c][1,2,5]oxadiazol-5-amine (CAS 18333-71-6)
- 5-Nitrobenzo[c][1,2,5]oxadiazol-4-amine (CAS 22250-46-0)
Recommended Standards
- 7-Fluoro-6-methoxy-2,3-dihydro-1H-inden-1-one (CAS 295779-79-2)
- 8-Fluoro-2,3,4,5-tetrahydro-1h-1,5-benzodiazepin-2-one (CAS 710349-38-5)
- 7-Fluoro-2,3,4,5-tetrahydro-1-benzoxepin-5-one (CAS 774-20-9)
- 8-Fluoro-5-methylchroman-4-one (CAS 942195-99-5)
- Fmoc-D-Homoser(Trt)-OH (CAS 257886-01-4)
- 2-(Aminomethyl)-5-(difluoromethyl)-6-fluoro-3-methoxypyridine (CAS 1805439-32-0)
- 3-Amino-7-chloro-1,2,4-benzotriazine-1-oxide (CAS 18671-92-6)
- 1-Benzoyl-4,7-dichloro-1,2-dihydroquinoline-2-carbonitrile (CAS 94502-16-6)
- tert-Butyl 4-((2-aminophenyl)sulfonyl)piperazine-1-carboxylate (CAS 444087-23-4)
- 1,2-Diphenyl-1,2-ethanedione bis(N-phenylhydrazone) (CAS 572-19-0)
- 3-Methyl-5-[(1-methylpyrrolidin-3-yl)oxy]-1,2,4-thiadiazole (CAS 2200611-43-2)
- (2,3,4,5,6,7,8-heptadeuterio-1-naphthyl)boronic acid (CAS 1000869-26-0)
- 6-Methoxy-7-(3-morpholinopropoxy)quinazolin-4(3H)-one (CAS 196194-62-4)
- Tau Peptide (301-315) trifluoroacetate salt (CAS 330456-48-9)
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