4,5-Dimethyl-1H-1,2,3-benzotriazole CAS 35899-34-4
| CAS No. | 35899-34-4 |
| Molecular Formula | C8H9N3 |
| Molecular Weight | 147.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4,5-Dimethyl-1H-1,2,3-benzotriazole 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.
CATO supplies 4,5-Dimethyl-1H-1,2,3-benzotriazole (CAS 35899-34-4), a certified reference material (molecular formula C8H9N3, MW 147.18 g/mol) for analytical method development and quality control.
Structurally, 4,5-Dimethyl-1H-1,2,3-benzotriazole (C8H9N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. 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 147.18 g/mol, it falls into the low-molecular-weight range. 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.
CATO manufactures 4,5-Dimethyl-1H-1,2,3-benzotriazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H9N3 |
| Molecular Weight | 147.18 g/mol |
| 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.) | 1967 |
| Nitrogen Atoms | 3 |
Related Dimethyl Standards
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Recommended Standards
- 4,5-Diamino-2-methylbenzonitrile (CAS 952511-75-0)
- 4,6-Divinylpyrimidin-2-amine (CAS 2410702-83-7)
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- 4-Amino-1-methyl-1H-indazole (CAS 77894-69-0)
- 1-(4-(5,7-Dimethylbenzo[d]thiazol-2-yl)piperazin-1-yl)butan-1-one (CAS 897483-51-1)
- 2-Phenyl-N-((4-(thiophen-2-yl)tetrahydro-2H-pyran-4-yl)methyl)ethane-1-sulfonamide (CAS 1203328-55-5)
- 5-Oxo-5-phenylpentanoic acid (CAS 1501-05-9)
- 2-Bromo-5-iodo-4-methylpyrimidine (CAS 1805506-81-3)
- n-[(2-bromophenyl)methyl]cyclopentanamine hydrochloride (CAS 1421603-83-9)
- (S)-3,7-diaminoheptanoic acid hydrochloride (CAS 192003-02-4)
- Tert-butyl 3-(nitromethyl)azetidine-1-carboxylate (CAS 2228653-59-4)
- 1,2-dimethylpyrrolidine-3-carboxylic acid hydrochloride (CAS 1795283-70-3)
- 3-(4-Hydroxyphenyl)piperidine-2,6-dione (CAS 2758531-21-2)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
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