6-Amino-3H-indazol-3-one CAS 707534-98-3
| CAS No. | 707534-98-3 |
| Molecular Formula | C7H5N3O |
| Molecular Weight | 147.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Amino-3H-indazol-3-one (C7H5N3O) contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. Its physicochemical properties are representative of its class; 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.
6-Amino-3H-indazol-3-one (CAS 707534-98-3), molecular formula C7H5N3O and molecular weight 147.13 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H5N3O |
| Molecular Weight | 147.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 5H-Cyclopenta[c]pyridine-5,7(6H)-dione (CAS 5807-19-2)
- 6-Cyanopicolinamide (CAS 52368-18-0)
- 5H,6H-pyrido[3,4-b]pyrazin-5-one (CAS 679797-41-2)
- 6-Ethynylnicotinic acid (CAS 450368-21-5)
- (S)-Ethyl 2-(7-fluoro-3,4-dihydro-2H-benzo[b][1,4]oxazin-3-yl)acetate (CAS 1850385-83-9)
- 1-(Cyclopropylmethyl)-2-methyl-1H-imidazole (CAS 1342433-69-5)
- 2-Amino-6-fluoronicotinic acid (CAS 86724-78-9)
- 4-(Ethylsulfonyl)-3-(3-nitrophenyl)-1H-pyrazole (CAS 1710193-67-1)
- 1-Bromo-6-chlorohexan-3-one (CAS 174790-33-1)
- Flavoxate EP Impurity A-d5 (Flavoxate USP Related Compound A-d5) (CAS 1189883-79-1)
- Calcium Levofolinate EP Impurity F(Calcium salt) (CAS 28459-40-7(free base))
- Ethyl Phenyl(2,4,6-trimethylbenzoyl)phosphinate (CAS 84434-11-7)
- Ethyl 7-chloro-5-hydroxyimidazo[1,2-c]pyrimidine-2-carboxylate (CAS 1639974-70-1)
- Adrenal Peptide E, bovine (CAS 78355-50-7)
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