1-Methyl-1H-1,2,4-triazole-5-carbaldehyde CAS 99651-37-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 99651-37-3 |
| Molecular Formula | C4H5N3O |
| Molecular Weight | 111.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
1-Methyl-1H-1,2,4-triazole-5-carbaldehyde (CAS 99651-37-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5N3O. Molecular weight: 111.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H5N3O |
| Molecular Weight | 111.10 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 1-Isoxazol-4-yl-ethanone (CAS 83259-37-4)
- 2-(1H-1,2,4-triazol-5-yl)acetaldehyde (CAS 2228462-10-8)
- 1-Hydroxy-2(1H)-pyridinone (CAS 822-89-9)
- 2-Bromo-N-[3-(heptyloxy)phenyl]acetamide (CAS 1138442-51-9)
- (R)-4-Acetyl-3-(4-methoxybenzyl)thiazolidin-2-one (CAS 101860-51-9)
- 3-Morpholinoisoxazole-5-carboxylic acid (CAS 1554401-30-7)
- Estradiol Impurity 36 (CAS 1359847-39-4)
- N-(3,4-Difluorophenyl)-3-methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-amine (CAS 899757-82-5)
- Ethyl 3-(isopropylthio)-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydrobenzo[c]thiophene-1-carboxylate (CAS 175202-44-5)
- Peptide Impurity 15 (CAS 1227750-69-7)
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