2-(5-oxo-4,5-dihydro-1H-1,2,4-triazol-4-yl)acetic acid CAS 1372557-29-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1372557-29-3 |
| Molecular Formula | C4H5N3O3 |
| Molecular Weight | 143.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(5-oxo-4,5-dihydro-1H-1,2,4-triazol-4-yl)acetic acid (CAS 1372557-29-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H5N3O3. Molecular weight: 143.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H5N3O3 |
| Molecular Weight | 143.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Related oxo Standards
- 2-(3-Oxo-2,3-dihydro-1H-1,2,4-triazol-1-yl)acetic acid (CAS 1674389-78-6)
- Ethyl 4,5-dihydro-1,3-oxazole-4-carboxylate (CAS 27771-40-0)
- Methyl 3,4-dihydro-2H-1,2-oxazine-4-carboxylate (CAS 2137715-29-6)
- 3-ethyl-4,5-dihydro-1,2-oxazole-5-carboxylic acid 471246-96-5 Z2106602829 (CAS 471246-96-5)
- 2,3-Dihydro-[1,4]dioxino[2,3-b]pyridine (CAS 129421-32-5)
- 5,8-Dihydro-5,8-methanoquinoline (CAS 108744-29-2)
- 2,3-Dihydro-1H-indene-4-carbonitrile (CAS 15115-63-6)
- 1,4-Dihydro-1,4-epiminonaphthalene (CAS 5176-20-5)
Recommended Standards
- 5-Hydroxy-1-methyl-1H-1,2,4-triazole-3-carboxylic acid (CAS 1368716-21-5)
- 2-(Hydroxymethyl)oxazole-5-carboxylic acid (CAS 1378260-42-4)
- 4-Amino-N’-hydroxy-1,2,5-oxadiazole-3-carboximidamide (CAS 13490-32-9)
- 2,4-Dichloro-1,8-naphthyridine (CAS 59514-89-5)
- 5-Bromo-3-(bromomethyl)pyridin-2-amine (CAS 769109-93-5)
- Bedaquiline (Mixture of Diastereomers) (CAS 654655-80-8)
- 5Y5LZ9A0KV 6252-92-2 Tiemonium 4-(3-Hydroxy-3-phenyl-3-(2-thienyl)propyl)-4-methylmorpholine EINECS 228-380-5 Tiemonum UNII-5Y5LZ9A0KV (CAS 6252-92-2)
- Octahydrocyclopenta[b][1,4]thiazine 1,1-dioxide (CAS 1343196-48-4)
- (3-Cyclobutoxy-5-fluorophenyl)boronic acid (CAS 2246747-54-4)
- Semaglutide (CAS CATO-C4X-2226105)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com