5-Nitro-1H-indazol-6-ol CAS 1082041-56-2
| CAS No. | 1082041-56-2 |
| Molecular Formula | C7H5N3O3 |
| Molecular Weight | 179.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-Nitro-1H-indazol-6-ol 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.
5-Nitro-1H-indazol-6-ol (CAS 1082041-56-2), molecular formula C7H5N3O3 and molecular weight 179.13 g/mol, is a CATO reference standard with documented purity and traceability.
5-Nitro-1H-indazol-6-ol (C7H5N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 | C7H5N3O3 |
| Molecular Weight | 179.13 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, water |
| 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.) | 1989 |
| Nitrogen Atoms | 3 |
Related Nitro Standards
- 7-nitro-1H-indazol-6-ol (CAS 1019332-61-6)
- 3-Nitro-1H-pyrrolo[3,2-b]pyridin-5-ol (CAS 1190311-92-2)
- 3-Nitro-1H-pyrrolo[3,2-c]pyridin-4-ol (CAS 1190314-28-3)
- 4-Nitro-1H-pyrrolo[2,3-b]pyridin-5-ol (CAS 1190318-01-4)
- 3-Nitro-1H-pyrrolo[3,2-b]pyridin-6-ol (CAS 1190318-36-5)
- 3-Nitro-1H-pyrrolo[3,2-b]pyridin-7-ol (CAS 1190318-84-3)
- 3-Nitro-1H-pyrrolo[3,2-c]pyridin-6-ol (CAS 1190320-27-4)
- 3-Nitro-1H-pyrrolo[2,3-c]pyridin-7-ol (CAS 1190322-25-8)
Recommended Standards
- 3-Oxo-2,3-dihydro-[1,2,4]triazolo-[4,3-a]pyridine-7-carboxylic acid (CAS 1083369-17-8)
- 2-Oxo-2,3-dihydrobenzo[d]oxazole-4-carboxylic acid (CAS 100960-55-2)
- 7-Nitroimidazo[1,2-a]pyridin-8-ol (CAS 109388-66-1)
- 6-Oxo-6,7-dihydro-5H-pyridazino[3,4-b][1,4]oxazine-3-carbaldehyde (CAS 1003947-30-5)
- 6-Amino-3-(difluoromethyl)pyridine-2,5-diol (CAS 1805161-37-8)
- Methyl trans-2-hexenoate (CAS 13894-63-8)
- Ethyl 2-(trifluoromethyl)quinoline-7-carboxylate (CAS 952182-55-7)
- 3-(Difluoromethyl)-3-hydroxypyrrolidine-2-carboxylic acid (CAS 1423024-16-1)
- N-(3-Chloroquinoxalin-2-yl)-N,4-dimethylbenzene-1-sulfonamide (CAS 166271-39-2)
- N-(4-Amino-2-methylphenyl)-2-(2-methoxyphenoxy)-acetamide (CAS 954267-86-8)
- (4-(Tert-butyl)phenyl)(3-fluorophenyl)methanol (CAS 844683-59-6)
- 2-Chloro-4-(4-methoxyphenyl)pyrimidine (CAS 75634-04-7)
- Estazolam Impurity 9 (CAS 31709-27-0)
- Allo-D-Ile17-Tirzepatide (CAS CATO-CPTD788962)
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