7-(Hydroxyamino)quinoline-5,8-dione CAS 94129-60-9
| CAS No. | 94129-60-9 |
| Molecular Formula | C9H6N2O3 |
| Molecular Weight | 190.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-(Hydroxyamino)quinoline-5,8-dione (CAS 94129-60-9), molecular formula C9H6N2O3 and molecular weight 190.16 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 7-(Hydroxyamino)quinoline-5,8-dione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 190.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 7-(Hydroxyamino)quinoline-5,8-dione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H6N2O3 |
| Molecular Weight | 190.16 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 2 |
Related Hydroxyamino Standards
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- 2-(Hydroxyamino)-2-iminoethyl benzoate (CAS 650579-63-8)
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Recommended Standards
- 6-Nitroquinoxalin-5-amine (CAS 57436-91-6)
- 7-Nitrocinnolin-4-amine (CAS 854888-40-7)
- 6-Nitroquinolin-5-ol (CAS 58416-46-9)
- 7-Nitroisoquinolin-1(2H)-one (CAS 20141-83-7)
- Ethyl non-2-ynoate (CAS 10031-92-2)
- Tridecyl phosphite (CAS 2929-86-4)
- 4-Cyclopropyl-2-(ethylsulfonyl)-6-(trifluoromethyl)pyrimidine (CAS 832737-29-8)
- 2-(5-(2-Methylfuran-3-yl)-1,3,4-oxadiazol-2-yl)aniline (CAS 1416345-25-9)
- Ethyl (2,3-Dihydro-1H-inden-5-ylamino)acetate (CAS 84827-40-7)
- 2,5-dibromohydroquinone (CAS 14753-51-6)
- (4,6-Dimethyl-pyrimidin-2-yl)-pyrrolidin-3-yl-amine hydrochloride (CAS 1289387-52-5)
- 2-Amino-1,3,4-thiadiazolyl-5-acetic acid ethyl ester (CAS 88124-55-4)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-acetamidobenzoic acid (CAS 1185296-79-0)
- Allo-Thr5-Tirzepatide (CAS CATO-CPTD788934)
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