Ethyl 5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyrimidine-3-carboxylate CAS 154641-11-9
| CAS No. | 154641-11-9 |
| Molecular Formula | C8H12N4O2 |
| Molecular Weight | 196.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyrimidine-3-carboxylate 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.
Ethyl 5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyrimidine-3-carboxylate (CAS 154641-11-9) is a high-purity analytical reference standard with the molecular formula C8H12N4O2 and a molecular weight of 196.21 g/mol.
Structurally, Ethyl 5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyrimidine-3-carboxylate (C8H12N4O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 196.21 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures Ethyl 5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyrimidine-3-carboxylate 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 | C8H12N4O2 |
| Molecular Weight | 196.21 g/mol |
| Appearance | Off-white to pale 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Nitrogen Atoms | 4 |
Related Ethyl Standards
- Ethyl 4,5,6,7-tetrahydro-[1,2,3]triazolo[1,5-a]pyrazine-3-carboxylate (CAS 1330763-87-5)
- ethyl 5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyrazine-2-carboxylate (CAS 1422344-37-3)
- 2-(5-Methyl-4,5,6,7-tetrahydro-1H-[1,2,3]triazolo[4,5-c]pyridin-1-yl)acetic acid (CAS 1782441-69-3)
- Ethyl 5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-α]pyrazine-3-carboxylate (CAS 723286-68-8)
- 2,4,6,7-TEtrahydro-pyrano[4,3-c]pyrazole-3-carboxylic acid ethyl ester (CAS 1297547-66-0)
- 1-(Tetrahydro-2H-pyran-4-yl)-1H-imidazole-4-carboxylic acid (CAS 1330267-12-3)
- 1-(Tetrahydro-2H-pyran-4-yl)-1H-pyrazole-4-carboxylic acid (CAS 1340372-11-3)
- 1-(Tetrahydro-2H-pyran-4-yl)-1H-imidazole-5-carboxylic acid (CAS 1511436-86-4)
Recommended Standards
- 1-Amino-3-(1h-1,2,4-triazol-1-yl)cyclopentane-1-carboxylic acid (CAS 1543017-44-2)
- 4-(Pyrimidin-5-ylamino)benzonitrile (CAS 157911-57-4)
- N1-(2,2,2-Trifluoroethyl)cyclohexane-1,4-diamine (CAS 1541071-95-7)
- methyl 4-amino-2-(dimethylamino)pyrimidine-5-carboxylate (CAS 1600893-00-2)
- 1-(Tert-butyl) 2,3-dimethyl piperidine-1,2,3-tricarboxylate (CAS 2387347-32-0)
- Methyl 5-chloro-6-oxo-1,6-dihydropyridine-2-carboxylate (CAS 1214386-04-5)
- (2R,5R)-1-((Benzyloxy)carbonyl)-4-(tert-butoxycarbonyl)-5-methylpiperazine-2-carboxylic acid (CAS 1403898-75-8)
- 3-((4-Chlorophenyl)(4-hydroxy-3-methoxybenzyl)amino)benzo[d]isothiazole 1,1-dioxide (CAS 591242-71-6)
- 8-Chloro-2-(3-chlorophenyl)quinoline-4-carbonyl chloride (CAS 1160263-57-9)
- Trimethyl((3-(trifluoromethyl)phenyl)ethynyl)silane (CAS 40230-93-1)
- 8,9-Dihydro-5H-benzo[7]annulen-7(6H)-one (CAS 37949-03-4)
- 4,5-Dichloro-2-methylphenol (CAS 52780-67-3)
- 1-Azabicyclo[2.2.1]heptane-4-carboxylic acid hydrobromide (CAS 130513-74-5)
- Acetyl tetrapeptide-3 (CAS 827306-88-7)
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