1-(o-Tolyl)-1H-1,2,3-triazole-5-carboxylic acid CAS 1153905-10-2
| CAS No. | 1153905-10-2 |
| Molecular Formula | C10H9N3O2 |
| Molecular Weight | 203.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-(o-Tolyl)-1H-1,2,3-triazole-5-carboxylic acid.
CATO supplies 1-(o-Tolyl)-1H-1,2,3-triazole-5-carboxylic acid (CAS 1153905-10-2), a certified reference material (molecular formula C10H9N3O2, MW 203.20 g/mol) for analytical method development and quality control.
Structurally, 1-(o-Tolyl)-1H-1,2,3-triazole-5-carboxylic acid (C10H9N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 203.20 g/mol, it falls into the medium-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.
As a certified reference material (CRM), 1-(o-Tolyl)-1H-1,2,3-triazole-5-carboxylic acid 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 | C10H9N3O2 |
| Molecular Weight | 203.20 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.) | 1989 |
| Nitrogen Atoms | 3 |
Related o Standards
- 1-(p-Tolyl)-1H-1,2,4-triazole-3-carboxylic acid (CAS 1020253-51-3)
- 1-(o-Tolyl)-1H-1,2,4-triazole-3-carboxylic acid (CAS 1245644-79-4)
- 1-(M-tolyl)-1H-1,2,4-triazole-3-carboxylic acid (CAS 1245649-64-2)
- 5-(p-Tolyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1368022-26-7)
- 5-(o-Tolyl)-1H-1,2,4-triazole-3-carboxylic acid (CAS 1404364-77-7)
- 2-(m-Tolyl)-1,2,4-triazine-3,5(2H,4H)-dione (CAS 55784-52-6)
- 2-(P-tolyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 69059-60-5)
- 5-(m-Tolyl)-4H-1,2,4-triazole-3-carboxylic acid (CAS 944897-46-5)
Recommended Standards
- 1-(3-aminophenyl)-1H-pyrazole-3-carboxylic acid (CAS 1153435-73-4)
- phenyl N-(1H-pyrazol-4-yl)carbamate (CAS 1154876-74-0)
- 1-(Pyridin-2-ylmethyl)-1h-pyrazole-4-carboxylic acid (CAS 1153373-39-7)
- 1-(Pyridin-4-ylmethyl)-1H-pyrazole-4-carboxylic acid (CAS 1154896-82-8)
- 7-Methoxy-2-methyl-5-nitro-1H-benzo[d]imidazole (CAS 103752-61-0)
- 3,3'-(piperazine-1,4-diyl)bis(1-(2-methyl-5-nitro-1H-imidazol-1-yl)propan-2-ol) (CAS 157493-58-8)
- Cyclo(-Ser-Ser) (CAS 23409-30-5)
- 3-Amino-1-(cyclopropylmethyl)-1,3-dihydro-2H-indol-2-one hydrochloride (CAS 1822516-21-1)
- 6-Nitroquinolin-3-ol (CAS 103029-76-1)
- 3,7-Dichloro-1,1,1,3,5,5,5,7-octafluoro-4,8-diiodo-5lambda5-octane (CAS 885275-78-5)
- 2,6-Dimethoxypyridine-4-carboxaldehyde (CAS 52606-01-6)
- 6-Bromo-2-chloronicotinaldehyde (CAS 1125410-08-3)
- Formyltanshinone (CAS 126979-80-4)
- Fibrinogen-Binding Peptide (CAS 137235-80-4)
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