2-(1h-Benzo[d][1,2,3]triazol-1-yl)ethan-1-ol CAS 938-56-7
| CAS No. | 938-56-7 |
| Molecular Formula | C8H9N3O |
| Molecular Weight | 163.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(1h-Benzo[d][1,2,3]triazol-1-yl)ethan-1-ol (CAS 938-56-7), molecular formula C8H9N3O and molecular weight 163.18 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(1h-Benzo[d][1,2,3]triazol-1-yl)ethan-1-ol (C8H9N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 163.18 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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 | C8H9N3O |
| Molecular Weight | 163.18 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Related h Standards
- 1H-Benzo[d]imidazol-2(3H)-one O-methyl oxime (CAS 111667-51-7)
- 1H-Benzo[d]imidazole-1,5,6-triamine (CAS 877473-51-3)
- 1H-Benzo[d]imidazole-2,5,6-triamine (CAS 934333-22-9)
- 2-(2H-benzo[d][1,2,3]triazol-2-yl)ethan-1-ol (CAS 939-72-0)
- 1-(Benzo[c]isoxazol-1(3H)-yl)ethanone (CAS 37601-13-1)
- 1-(Benzo[d]oxazol-3(2H)-yl)ethanone (CAS 65156-74-3)
- 2-(Benzo[d]isoxazol-3-yl)ethan-1-ol (CAS 57148-90-0)
- Benzo[c]isothiazole-6-carbaldehyde (CAS 108763-57-1)
Recommended Standards
- 1-Pyridin-4-yl-imidazolidin-2-one, 98% (CAS 52210-90-9)
- 1-Methyl-4-(methylamino)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 62617-41-8)
- 2-(2-Hydroxyethylamino)nicotinonitrile (CAS 440102-32-9)
- 1-Methyl-3,4-dihydropyrido[2,3-b]pyrazin-2(1H)-one (CAS 67074-79-7)
- 4-Bromo-1-(3-chloropyridin-2-yl)-1h-pyrazol-3-amine (CAS 1250758-60-1)
- 3-Bromo-8-iodo-1,5-naphthyridine (CAS 1599957-25-1)
- 2-(5-(4-Fluorophenyl)-1H-pyrazol-3-yl)acetic acid (CAS 1352482-61-1)
- (S)-2-(2,2-Dimethyl-1,3-dioxolan-4-yl)ethanamine hydrochloride (CAS 1363408-51-8)
- 2-(5-(Aminomethyl)pyridin-2-yl)-1,2-thiazinane 1,1-dioxide dihydrochloride (CAS 2251054-10-9)
- 2-(4-Nitrophenyl)propanehydrazide (CAS 866144-40-3)
- 3,3-dichloro-1-(3-nitrophenyl)piperidin-2-one (CAS 2444010-14-2)
- 7-Methoxy-4-methyl-1H-[1,2,3]triazolo[4,5-d]pyridazine (CAS 25910-78-5)
- D 517-d7 Hydrochloride (Verapamil Impurity) (CAS 1330173-18-6)
- Ac-(5-31)Semaglutide (CAS CATO-C4X-2226279)
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