1-Methyl-5-(3-nitrophenyl)-1H-tetrazole CAS 69746-32-3
| CAS No. | 69746-32-3 |
| Molecular Formula | C8H7N5O2 |
| Molecular Weight | 205.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-Methyl-5-(3-nitrophenyl)-1H-tetrazole is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-Methyl-5-(3-nitrophenyl)-1H-tetrazole (CAS 69746-32-3) is a high-purity analytical reference standard with the molecular formula C8H7N5O2 and a molecular weight of 205.17 g/mol.
The molecular framework of 1-Methyl-5-(3-nitrophenyl)-1H-tetrazole (C8H7N5O2) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 1-Methyl-5-(3-nitrophenyl)-1H-tetrazole 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 | C8H7N5O2 |
| Molecular Weight | 205.17 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 DMSO, DMF, methanol |
| 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.) | 1976 |
| Nitrogen Atoms | 5 |
Related Methyl Standards
- 2-(2-Methyl-3-nitrophenyl)-1,3,4-oxadiazole (CAS 1092345-76-0)
- 2-(3-methyl-4-nitrophenyl)-1,3,4-oxadiazole (CAS 1118786-96-1)
- 5-(2-Methyl-5-nitrophenyl)-2H-tetrazole (CAS 1203801-06-2)
- 4-(2-Nitrophenyl)oxazol-2-amine (CAS 1248008-00-5)
- 5-[(4-nitrophenyl)methyl]-1H-1,2,3,4-tetrazole (CAS 131090-44-3)
- 5-(4-Nitrophenyl)oxazol-2-amine (CAS 13576-56-2)
- 3-Methyl-5-(4-nitrophenyl)-1,2,4-oxadiazole (CAS 1455-82-9)
- 5-(3-Nitrophenyl)isoxazol-3-amine (CAS 1463481-61-9)
Recommended Standards
- 1-Methoxy-5-nitrophthalazine (CAS 90323-17-4)
- 1-Methyl-5-nitro-1H-benzo[d]imidazole-2-carbaldehyde (CAS 68011-85-8)
- 1-Hydroxy-4-phenyl-1H-1,2,3-triazole-5-carboxylic acid (CAS 887405-55-2)
- 2-(2,3-Dioxoindolin-5-yl)acetic acid (CAS 98935-60-5)
- 2,3,4,5-Tetrahydrobenzo[f][1,4]oxazepine-8-carboxylic acid (CAS 1553959-31-1)
- 1-(2-Chloro-4-nitrophenyl)-3-(1,3-dioxan-2-yl)propan-1-one (CAS 937040-35-2)
- Methyl 3-amino-3-(2,6-dichlorophenyl)propanoate (CAS 1038338-84-9)
- Methyl 2-(cyclopropylamino)-4-(1h-imidazol-1-yl)butanoate (CAS 1343231-99-1)
- 1-Benzylidene-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline (CAS 823234-53-3)
- 3-(Methoxymethyl)-5-methyl-1H-pyrazole-4-carboxylic acid (CAS 1239473-55-2)
- 2-Amino-4-chloro-7-((1-methyl-1H-pyrazol-3-yl)methyl)-5H-pyrrolo[2,3-d]pyrimidin-6(7H)-one (CAS 1196886-83-5)
- 8'-Methoxy-2',3'-dihydro-1'H-spiro[cyclopropane-1,4'-isoquinoline] (CAS 885269-39-6)
- 4-Hydrazinyl-2,6-dimethylpyridine (CAS 855643-34-4)
- Semaglutide Impurity 157 (x TFA Salt) (CAS CATO-C4X-2226157)
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