NBD-H (=4-Hydrazino-7-nitro-2,1,3-benzoxadiazole Hydrazine) [for HPLC Labeling] CAS 131467-87-3
| CAS No. | 131467-87-3 |
| Molecular Formula | C6H5N5O3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of NBD-H (=4-Hydrazino-7-nitro-2,1,3-benzoxadiazole Hydrazine) [for HPLC Labeling] is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
NBD-H (=4-Hydrazino-7-nitro-2,1,3-benzoxadiazole Hydrazine) [for HPLC Labeling] (CAS 131467-87-3), molecular formula C6H5N5O3H4N2 and molecular weight 227.18 g/mol, is a CATO reference standard with documented purity and traceability.
NBD-H (=4-Hydrazino-7-nitro-2,1,3-benzoxadiazole Hydrazine) [for HPLC Labeling] (C6H5N5O3H4N2) 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. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures NBD-H (=4-Hydrazino-7-nitro-2,1,3-benzoxadiazole Hydrazine) [for HPLC Labeling] 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 | C6H5N5O3 H4N2 |
| Molecular Weight | 227.18 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 7 |
Recommended Standards
- tert-Butyl 3-(4-Bromo-1H-pyrazol-1-yl)-2-methylpropanoate (CAS 1199773-78-8)
- 2-Methyl-2-(thiophene-2-sulfonylamino)-propionic acid (CAS 876715-25-2)
- 2,8-Dimethylquinoline-6-carbonitrile (CAS 1369283-47-5)
- 4-Chloro-1H-indole-3-carbonitrile (CAS 889942-73-8)
- Naltrexone Impurity 64 (CAS CATO-C4X-147564)
- 1-Oxaspiro[4.5]decan-8-ol (CAS 87151-62-0)
- 1-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)piperidin-4-one (CAS 1057282-45-7)
- Tenofovir Impurity 37 (CAS 161760-03-8)
- 4-Methoxy-N,N-dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine (CAS 1448870-00-5)
- Tirzepatide Impurity 38 (CAS CATO-C4X-324038)
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