3-Methyl-6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepine CAS 119151-11-0
| CAS No. | 119151-11-0 |
| Molecular Formula | C8H13N3 |
| Molecular Weight | 151.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Methyl-6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepine is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Methyl-6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepine (CAS 119151-11-0) is a high-purity analytical reference standard with the molecular formula C8H13N3 and a molecular weight of 151.21 g/mol.
Based on its molecular formula C8H13N3, 3-Methyl-6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepine contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 151.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
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 | C8H13N3 |
| Molecular Weight | 151.21 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 3-(Dimethylamino)-4-methylphenol (CAS 119-31-3)
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- 3-(5-Methylpyrazin-2-yl)propan-1-amine (CAS 1196152-52-9)
- Ethyl 2-(piperidin-3-yl)imidazo[2,1-b][1,3,4]thiadiazole-6-carboxylate trihydrochloride (CAS 2177267-19-3)
- (E)-[(3-Fluorophenyl)methoxy]({[2-(phenylsulfanyl)pyridin-3-yl]methylidene})amine (CAS 478031-11-7)
- Diethyl (1-Aminoethyl)phosphonate (CAS 54788-35-1)
- 6,7-Dimethoxy-4-methylquinazolin-2(1H)-one (CAS 37528-49-7)
- 2-(4-chlorobutyl)-1,3-dioxolane (CAS 118336-86-0)
- 3-Bromo-2-chloro-5-methylthiophenol (CAS 1263377-14-5)
- Bis-homotris (CAS 116747-79-6)
- (5-(2-(Trifluoromethyl)phenyl)pyridin-3-yl)boronic acid (CAS 1237739-63-7)
- (R)-3-Hydroxy-4,5-dihydro-1H-benzo[b]azepin-2(3H)-one (CAS 608148-60-3)
- Semaglutide impurity 86 (CAS CATO-C4X-152686)
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