5-Nitro-1h-1,2,3-benzotriazol-1-ol CAS 64352-55-2
| CAS No. | 64352-55-2 |
| Molecular Formula | C6H4N4O3 |
| Molecular Weight | 180.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 5-Nitro-1h-1,2,3-benzotriazol-1-ol (CAS 64352-55-2), a certified reference material (molecular formula C6H4N4O3, MW 180.12 g/mol) for analytical method development and quality control.
5-Nitro-1h-1,2,3-benzotriazol-1-ol (C6H4N4O3) 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.
As a certified reference material (CRM), 5-Nitro-1h-1,2,3-benzotriazol-1-ol 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 | C6H4N4O3 |
| Molecular Weight | 180.12 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.) | 1975 |
| Nitrogen Atoms | 4 |
Related Nitro Standards
- 5-Nitro-1h,2h,3h-pyrazolo[3,4-b]pyridin-3-one (CAS 1186609-73-3)
- 7-Nitro-3H-imidazo[4,5-b]pyridine 4-oxide (CAS 14432-11-2)
- 2-Nitro-1H-purin-6-amine (CAS 501950-35-2)
- 5-Nitro-1H,2H,3H-imidazo[4,5-b]pyridin-2-one (CAS 22902-67-6)
- 5-Nitro-2,3-dihydro-1,3-benzoxazol-2-one (CAS 3889-13-2)
- 5-nitro-3,7-dihydropyrrolo[2,3-d]pyrimidin-4-one (CAS 22277-00-5)
- 6-Nitro-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine (CAS 80773-01-9)
- 7-Nitro-1,2-benzisoxazol-3(2H)-one (CAS 60357-78-0)
Recommended Standards
- 4-Oxo-1H,4H,5H-pyrazolo[3,4-d]pyrimidine-3-carboxylic acid (CAS 864872-01-5)
- 4-Nitrobenzoxazole-2(3H)-one (CAS 28955-71-7)
- 5-Nitrobenzo[c][1,2,5]oxadiazol-4-amine (CAS 22250-46-0)
- 4-Methyl-1,4-dihydrobis([1,2,5]oxadiazolo)[3,4-b:3',4'-e]pyrazine (CAS 212391-77-0)
- 5-Butyl-6-(methoxymethyl)pyrimidine-2,4(1H,3H)-dione (CAS 676997-67-4)
- 4-(4-Chlorophenyl)-4-ethoxy-butyronitrile (CAS 6940-87-0)
- 5-Isopropyl-4-methoxy-2-methyl-N-((tetrahydrofuran-2-yl)methyl)benzenesulfonamide (CAS 898647-35-3)
- (S)-tert-Butyl (2-oxotetrahydrofuran-3-yl)oxycarbamate (CAS 666706-31-6)
- Epinastine Impurity 42 (CAS CATO-C4X-184042)
- 161594-54-3 (S,S)-6-Benzyl-octahydro-pyrrolo[3,4-b]pyridine MFCD06796543 (CAS 161594-54-3)
- Pcb No. 55 (CAS 74338-24-2)
- 7-Ethoxy-4-methyl-N-(4,4,6-trimethyl-1,4-dihydropyrimidin-2-yl)quinazolin-2-amine (CAS 309731-36-0)
- Terbutaline EP Impurity D (Hydrobromide) (CAS 1797117-23-7)
- Semaglutide Impurity 166 (CAS 1395881-03-4)
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