1-Methyl-4-nitro-1,2-dihydro-3H-indazol-3-one CAS 878156-08-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 878156-08-2 |
| Molecular Formula | C8H7N3O3 |
| Molecular Weight | 193.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-Methyl-4-nitro-1,2-dihydro-3H-indazol-3-one (CAS 878156-08-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H7N3O3. Molecular weight: 193.16 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H7N3O3 |
| Molecular Weight | 193.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1987 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- (6-Nitro-1H-indazol-3-yl)methanol (CAS 1000341-10-5)
- (5-Nitro-1H-benzo[d]imidazol-1-yl)methanol (CAS 101421-10-7)
- (6-Nitro-1H-benzo[d]imidazol-4-yl)methanol (CAS 1169789-14-3)
- 3'-Methyl-4-nitro-1'H-1,4'-bipyrazole (CAS 1171725-06-6)
- 2-Methyl-4-nitro-1H-benzo[d]imidazol-5-ol (CAS 127025-81-4)
- 3-Nitro-7,8-dihydro-1,6-naphthyridin-5(6H)-one (CAS 1393551-82-0)
- 4-Nitro-2-vinylbenzoic acid (CAS 1448307-89-8)
- (4-Nitro-1H-indazol-3-yl)methanol (CAS 1934930-69-4)
Recommended Standards
- 1-Methyl-4-(1,2-oxazol-5-yl)-1h-pyrazole-5-carboxylic acid (CAS 925200-28-8)
- 1-Methyl-4-oxo-4,7-dihydro-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 54738-83-9)
- 1-Methyl-4-(1,2-oxazol-5-yl)-1h-pyrazole-3-carboxylic acid (CAS 956985-41-4)
- 124338-73-4 10-(4-Ethylpiperazin-1-yl)-9-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid DTXSID70516744 (CAS 124338-73-4)
- S-propionylthiocholine iodide (CAS 1866-73-5)
- 4-Nitro-N-phenethylbenzamide (CAS 62497-65-8)
- methyl 5-chloroimidazo[1,2-a]pyridine-8-carboxylate (CAS 1402911-36-7)
- 2,2,4-trimethyl-1,2-dihydroquinoline hydrochloride (CAS 34333-31-8)
- 1-(Quinolin-2-ylmethyl)cyclohexanol (CAS 132148-33-5)
- Semaglutide impurity 30 (CAS CATO-C4X-222630)
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